{"id":3593,"date":"2026-09-24T09:00:00","date_gmt":"2026-09-24T09:00:00","guid":{"rendered":"https:\/\/otus.ru\/journal\/?p=3593"},"modified":"2026-09-25T15:29:28","modified_gmt":"2026-09-25T15:29:28","slug":"react-opisanie-i-osnovy-raboty","status":"publish","type":"post","link":"https:\/\/otus.ru\/journal\/react-opisanie-i-osnovy-raboty\/","title":{"rendered":"React: \u0447\u0442\u043e \u044d\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0438 \u043e\u0441\u043d\u043e\u0432\u044b \u0440\u0430\u0431\u043e\u0442\u044b"},"content":{"rendered":"<p><strong>React<\/strong> &#8212; \u044d\u0442\u043e JavaScript-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0445 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432 \u0438\u0437 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432. \u0412\u044b \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442\u0435, \u043a\u0430\u043a \u0434\u043e\u043b\u0436\u0435\u043d \u0432\u044b\u0433\u043b\u044f\u0434\u0435\u0442\u044c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u043f\u0440\u0438 \u0442\u0435\u043a\u0443\u0449\u0438\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, \u0430 React \u0441\u0430\u043c \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u0442 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0443, \u043a\u043e\u0433\u0434\u0430 \u0434\u0430\u043d\u043d\u044b\u0435 \u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f. React \u043e\u0442\u0432\u0435\u0447\u0430\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0437\u0430 \u0441\u043b\u043e\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430: \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0446\u0438\u044e, \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0441\u0431\u043e\u0440\u043a\u0443 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0431\u0435\u0440\u0443\u0442 \u0438\u0437 \u0434\u0440\u0443\u0433\u0438\u0445 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0438\u043b\u0438 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u043e\u0432 \u043f\u043e\u0432\u0435\u0440\u0445 React.<\/p>\n<div class=\"oj-toc\" style=\"background:#f6f6f6;border-radius:8px;padding:14px 20px;margin:20px 0\">\n<p><strong>\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435<\/strong><\/p>\n<ol>\n<li><a href=\"#s1\">\u041a\u043e\u0440\u043e\u0442\u043a\u043e \u043e\u0431 \u0438\u0441\u0442\u043e\u0440\u0438\u0438 \u0438 \u0441\u0442\u0430\u0442\u0443\u0441\u0435<\/a><\/li>\n<li><a href=\"#s2\">\u041f\u044f\u0442\u044c \u0442\u0435\u0440\u043c\u0438\u043d\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0443\u0442\u0430\u044e\u0442<\/a><\/li>\n<li><a href=\"#s3\">\u041f\u0435\u0440\u0432\u043e\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043d\u0430 Vite<\/a><\/li>\n<li><a href=\"#s4\">\u041f\u043e\u043b\u043d\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440: \u0441\u043f\u0438\u0441\u043e\u043a \u0437\u0430\u0434\u0430\u0447<\/a><\/li>\n<li><a href=\"#s5\">\u0420\u0430\u0437\u0431\u043e\u0440 \u043f\u043e \u0447\u0430\u0441\u0442\u044f\u043c<\/a><\/li>\n<li><a href=\"#s6\">\u0425\u0443\u043a\u0438: useState \u0438 useEffect<\/a><\/li>\n<li><a href=\"#s7\">\u0422\u0438\u043f\u0438\u0447\u043d\u0430\u044f \u043e\u0448\u0438\u0431\u043a\u0430: state \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0435 \u0441\u0440\u0430\u0437\u0443<\/a><\/li>\n<li><a href=\"#s8\">\u0415\u0441\u043b\u0438 \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c<\/a><\/li>\n<li><a href=\"#s9\">\u0412\u044b\u0432\u043e\u0434\u044b<\/a><\/li>\n<li><a href=\"#s10\">\u0413\u0434\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \/ \u0441\u0432\u044f\u0437\u044c \u0441 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0439<\/a><\/li>\n<li><a href=\"#s11\">FAQ<\/a><\/li>\n<\/ol>\n<\/div>\n<p>\u041f\u0440\u0438\u043c\u0435\u0440\u044b \u0432 \u0441\u0442\u0430\u0442\u044c\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u044b 24.09.2026: React 19.3.0, Vite 8.3.0, \u0448\u0430\u0431\u043b\u043e\u043d <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">create-vite<\/code> 9.2.1, Node.js 22.23.1.<\/p>\n<h2 id=\"s1\">\u041a\u043e\u0440\u043e\u0442\u043a\u043e \u043e\u0431 \u0438\u0441\u0442\u043e\u0440\u0438\u0438 \u0438 \u0441\u0442\u0430\u0442\u0443\u0441\u0435<\/h2>\n<p>React \u0441\u043e\u0437\u0434\u0430\u043b \u0432 Facebook \u0414\u0436\u043e\u0440\u0434\u0430\u043d \u0423\u043e\u043b\u043a, \u043a\u043e\u0434 \u043e\u0442\u043a\u0440\u044b\u0442 \u0432 2013 \u0433\u043e\u0434\u0443 (\u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044f MIT). \u0425\u0443\u043a\u0438 \u043f\u043e\u044f\u0432\u0438\u043b\u0438\u0441\u044c \u0432 React 16.8 (2019), React 19 \u0432\u044b\u0448\u0435\u043b \u0432 \u0434\u0435\u043a\u0430\u0431\u0440\u0435 2024 (19.3 &#8212; \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044c 2026). Create React App \u0441 \u0444\u0435\u0432\u0440\u0430\u043b\u044f 2025 \u0433\u043e\u0434\u0430 \u0443\u0441\u0442\u0430\u0440\u0435\u043b: \u043a\u043e\u043c\u0430\u043d\u0434\u0430 React \u0441\u043e\u0432\u0435\u0442\u0443\u0435\u0442 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a (Next.js, React Router), \u0434\u043b\u044f \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f &#8212; Vite. \u0421 2026 \u0433\u043e\u0434\u0430 React \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 React Foundation \u043f\u0440\u0438 Linux Foundation.<\/p>\n<p>\u041a\u043b\u0430\u0441\u0441\u043e\u0432\u044b\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u0441 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">render()<\/code> \u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">this.state<\/code>, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u0441\u0442\u0440\u0435\u0447\u0430\u044e\u0442\u0441\u044f \u0432 \u0441\u0442\u0430\u0440\u044b\u0445 \u0443\u0447\u0435\u0431\u043d\u0438\u043a\u0430\u0445, \u043f\u043e-\u043f\u0440\u0435\u0436\u043d\u0435\u043c\u0443 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442, \u043d\u043e \u043d\u043e\u0432\u044b\u0439 \u043a\u043e\u0434 \u043f\u0438\u0448\u0443\u0442 \u043d\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u0445 \u0438 \u0445\u0443\u043a\u0430\u0445. \u041d\u0438\u0436\u0435 &#8212; \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442.<\/p>\n<h2 id=\"s2\">\u041f\u044f\u0442\u044c \u0442\u0435\u0440\u043c\u0438\u043d\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0443\u0442\u0430\u044e\u0442<\/h2>\n<ul>\n<li><strong>\u041a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442<\/strong> &#8212; JavaScript-\u0444\u0443\u043d\u043a\u0446\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0440\u0430\u0437\u043c\u0435\u0442\u043a\u0443. \u0418\u043c\u044f &#8212; \u0441 \u0437\u0430\u0433\u043b\u0430\u0432\u043d\u043e\u0439 \u0431\u0443\u043a\u0432\u044b: <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">TaskItem<\/code>, \u0430 \u043d\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">taskItem<\/code>.<\/li>\n<li><strong>JSX<\/strong> &#8212; \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441, \u043f\u043e\u0445\u043e\u0436\u0438\u0439 \u043d\u0430 HTML, \u0432\u043d\u0443\u0442\u0440\u0438 JavaScript. \u0411\u0440\u0430\u0443\u0437\u0435\u0440 \u0435\u0433\u043e \u043d\u0435 \u043f\u043e\u043d\u0438\u043c\u0430\u0435\u0442: \u0441\u0431\u043e\u0440\u0449\u0438\u043a \u043f\u0440\u0435\u0432\u0440\u0430\u0449\u0430\u0435\u0442 JSX \u0432 \u043e\u0431\u044b\u0447\u043d\u044b\u0435 \u0432\u044b\u0437\u043e\u0432\u044b \u0444\u0443\u043d\u043a\u0446\u0438\u0439.<\/li>\n<li><strong>\u042d\u043b\u0435\u043c\u0435\u043d\u0442<\/strong> &#8212; \u043e\u0431\u044a\u0435\u043a\u0442-\u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u043d\u0430\u0440\u0438\u0441\u043e\u0432\u0430\u0442\u044c (\u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 JSX). \u042d\u0442\u043e \u0435\u0449\u0435 \u043d\u0435 DOM-\u0443\u0437\u0435\u043b \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435.<\/li>\n<li><strong>Props<\/strong> &#8212; \u0432\u0445\u043e\u0434\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 \u043e\u0442 \u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044f. \u041a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 \u0438\u0445 \u0442\u043e\u043b\u044c\u043a\u043e \u0447\u0438\u0442\u0430\u0435\u0442.<\/li>\n<li><strong>State (\u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435)<\/strong> &#8212; \u0434\u0430\u043d\u043d\u044b\u0435, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 \u0445\u0440\u0430\u043d\u0438\u0442 \u0441\u0430\u043c \u0438 \u043c\u0435\u043d\u044f\u0435\u0442 \u0447\u0435\u0440\u0435\u0437 \u0444\u0443\u043d\u043a\u0446\u0438\u044e-\u0441\u0435\u0442\u0442\u0435\u0440. \u0421\u043c\u0435\u043d\u0430 state \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442 \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u044b\u0439 \u0440\u0435\u043d\u0434\u0435\u0440.<\/li>\n<\/ul>\n<p>\u0426\u0435\u043f\u043e\u0447\u043a\u0430 \u043d\u0430 \u043e\u0434\u043d\u043e\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435: \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">App<\/code> -&gt; \u0432\u044b\u0437\u043e\u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">App()<\/code> \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0434\u0435\u0440\u0435\u0432\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 -&gt; React \u0441\u0440\u0430\u0432\u043d\u0438\u0432\u0430\u0435\u0442 \u0435\u0433\u043e \u0441 \u043f\u0440\u043e\u0448\u043b\u044b\u043c \u0434\u0435\u0440\u0435\u0432\u043e\u043c -&gt; \u0432 DOM \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 \u043f\u043e\u043f\u0430\u0434\u0430\u044e\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f. \u042d\u0442\u043e \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u043d\u0430\u044f \u043c\u043e\u0434\u0435\u043b\u044c: \u043d\u0430 \u0434\u0435\u043b\u0435 React \u0440\u0430\u0437\u0431\u0438\u0432\u0430\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0443 \u043d\u0430 \u0444\u0430\u0437\u0443 \u0440\u0435\u043d\u0434\u0435\u0440\u0430 (\u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u044c \u043d\u043e\u0432\u043e\u0435 \u0434\u0435\u0440\u0435\u0432\u043e) \u0438 \u0444\u0430\u0437\u0443 \u0444\u0438\u043a\u0441\u0430\u0446\u0438\u0438 (\u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043a DOM), \u0438 \u043c\u043e\u0436\u0435\u0442 \u043e\u0442\u043a\u043b\u0430\u0434\u044b\u0432\u0430\u0442\u044c \u0438\u043b\u0438 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u044f\u0442\u044c \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f.<\/p>\n<h2 id=\"s3\">\u041f\u0435\u0440\u0432\u043e\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043d\u0430 Vite<\/h2>\n<p>Vite 8 \u0442\u0440\u0435\u0431\u0443\u0435\u0442 Node.js 20.19+ \u0438\u043b\u0438 22.12+, \u043d\u043e \u0432\u0435\u0442\u043a\u0430 20 \u0441 30.04.2026 \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u0442 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0441\u0442\u0430\u0432\u044c\u0442\u0435 \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0439 LTS &#8212; Node.js 24 (\u0438\u043b\u0438 22.12+). \u041a\u043e\u043c\u0430\u043d\u0434\u044b \u0432 \u0442\u0435\u0440\u043c\u0438\u043d\u0430\u043b\u0435:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\">node<span style=\"color: #ABB2BF\"> <\/span>-v\nnpm<span style=\"color: #ABB2BF\"> <\/span>create<span style=\"color: #ABB2BF\"> <\/span>vite@latest<span style=\"color: #ABB2BF\"> <\/span>my-react-app<span style=\"color: #ABB2BF\"> <\/span>--<span style=\"color: #ABB2BF\"> <\/span>--template<span style=\"color: #ABB2BF\"> <\/span>react\n<span style=\"color: #E5C07B\">cd<\/span><span style=\"color: #ABB2BF\"> <\/span>my-react-app\nnpm<span style=\"color: #ABB2BF\"> <\/span>install\nnpm<span style=\"color: #ABB2BF\"> <\/span>run<span style=\"color: #ABB2BF\"> <\/span>dev<\/code><\/pre>\n<p>\u041f\u043e\u0441\u043b\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">npm run dev<\/code> \u0432 \u0442\u0435\u0440\u043c\u0438\u043d\u0430\u043b\u0435 \u043f\u043e\u044f\u0432\u0438\u0442\u0441\u044f \u0430\u0434\u0440\u0435\u0441 \u0432\u0438\u0434\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">http:\/\/localhost:5173\/<\/code> &#8212; \u043e\u0442\u043a\u0440\u043e\u0439\u0442\u0435 \u0435\u0433\u043e \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435. \u0421\u0433\u0435\u043d\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0448\u0430\u0431\u043b\u043e\u043d \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">index.html<\/code> \u0441 \u043f\u0443\u0441\u0442\u044b\u043c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">&lt;div id=\"root\"&gt;<\/code> \u0438 \u0442\u043e\u0447\u043a\u0443 \u0432\u0445\u043e\u0434\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">src\/main.jsx<\/code>:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> { <\/span><span style=\"color: #E06C75\">StrictMode<\/span><span style=\"color: #ABB2BF\"> } <\/span><span style=\"color: #C678DD\">from<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'react'<\/span>\n<span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> { <\/span><span style=\"color: #E06C75\">createRoot<\/span><span style=\"color: #ABB2BF\"> } <\/span><span style=\"color: #C678DD\">from<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'react-dom\/client'<\/span>\n<span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'.\/index.css'<\/span>\n<span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">App<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">from<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'.\/App.jsx'<\/span>\n\n<span style=\"color: #E06C75\">createRoot<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E5C07B\">document<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">getElementById<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">'root'<\/span><span style=\"color: #ABB2BF\">)).<\/span><span style=\"color: #E06C75\">render<\/span><span style=\"color: #ABB2BF\">(<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">StrictMode<\/span><span style=\"color: #56B6C2\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">App<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">\/&gt;<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #ABB2BF\">\/StrictMode&gt;,<\/span>\n<span style=\"color: #ABB2BF\">)<\/span><\/code><\/pre>\n<p>\u0417\u0434\u0435\u0441\u044c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">react-dom<\/code> \u0441\u0432\u044f\u0437\u044b\u0432\u0430\u0435\u0442 React \u0441 DOM \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">createRoot<\/code> \u0431\u0435\u0440\u0435\u0442 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">#root<\/code>, \u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">render<\/code> \u0440\u0438\u0441\u0443\u0435\u0442 \u0432 \u043d\u0435\u043c \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">App<\/code>. <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">StrictMode<\/code> &#8212; \u0440\u0435\u0436\u0438\u043c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u043e\u0432\u0435\u0440\u043e\u043a, \u043e\u043d \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435.<\/p>\n<h2 id=\"s4\">\u041f\u043e\u043b\u043d\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440: \u0441\u043f\u0438\u0441\u043e\u043a \u0437\u0430\u0434\u0430\u0447<\/h2>\n<p>\u0417\u0430\u043c\u0435\u043d\u0438\u0442\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">src\/App.jsx<\/code> \u0446\u0435\u043b\u0438\u043a\u043e\u043c. \u0412 \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u0435\u0441\u0442\u044c \u0432\u0441\u0435 \u043e\u0441\u043d\u043e\u0432\u044b \u0441\u0440\u0430\u0437\u0443: \u0434\u0432\u0430 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430, props, state, \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0441\u043e\u0431\u044b\u0442\u0438\u0439, \u0441\u043f\u0438\u0441\u043e\u043a \u0441 \u043a\u043b\u044e\u0447\u0430\u043c\u0438 \u0438 \u044d\u0444\u0444\u0435\u043a\u0442.<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> { <\/span><span style=\"color: #E06C75\">useEffect<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">useState<\/span><span style=\"color: #ABB2BF\"> } <\/span><span style=\"color: #C678DD\">from<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'react'<\/span>\n\n<span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">TaskItem<\/span><span style=\"color: #ABB2BF\">({ <\/span><span style=\"color: #E06C75\">task<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">onToggle<\/span><span style=\"color: #ABB2BF\"> }) {<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">return<\/span><span style=\"color: #ABB2BF\"> (<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">li<\/span><span style=\"color: #56B6C2\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">label<\/span><span style=\"color: #56B6C2\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">input<\/span>\n<span style=\"color: #ABB2BF\">          <\/span><span style=\"color: #E06C75\">type<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"checkbox\"<\/span>\n<span style=\"color: #ABB2BF\">          <\/span><span style=\"color: #E06C75\">checked<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\">{<\/span><span style=\"color: #E06C75\">task<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">done<\/span><span style=\"color: #ABB2BF\">}<\/span>\n<span style=\"color: #ABB2BF\">          <\/span><span style=\"color: #E06C75\">onChange<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\">{() =&gt; <\/span><span style=\"color: #E06C75\">onToggle<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">task<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #ABB2BF\">)}<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #56B6C2\">\/&gt;<\/span>\n<span style=\"color: #ABB2BF\">        {<\/span><span style=\"color: #E06C75\">task<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">done<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">?<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">s<\/span><span style=\"color: #56B6C2\">&gt;<\/span><span style=\"color: #ABB2BF\">{<\/span><span style=\"color: #E06C75\">task<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">}<\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #ABB2BF\">\/s&gt; : task.title}<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #ABB2BF\">\/label&gt;<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #ABB2BF\">\/li&gt;<\/span>\n<span style=\"color: #ABB2BF\">  )<\/span>\n<span style=\"color: #ABB2BF\">}<\/span>\n\n<span style=\"color: #C678DD\">export<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">default<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">App<\/span><span style=\"color: #ABB2BF\">() {<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> [<\/span><span style=\"color: #E06C75\">tasks<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">setTasks<\/span><span style=\"color: #ABB2BF\">] <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">useState<\/span><span style=\"color: #ABB2BF\">([<\/span>\n<span style=\"color: #ABB2BF\">    { <\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'a1'<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'\u0423\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c Node.js'<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">done<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E5C07B\">true<\/span><span style=\"color: #ABB2BF\"> },<\/span>\n<span style=\"color: #ABB2BF\">    { <\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'a2'<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u043f\u0440\u043e\u0435\u043a\u0442 \u043d\u0430 Vite'<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">done<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E5C07B\">false<\/span><span style=\"color: #ABB2BF\"> },<\/span>\n<span style=\"color: #ABB2BF\">  ])<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> [<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">setTitle<\/span><span style=\"color: #ABB2BF\">] <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">useState<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">''<\/span><span style=\"color: #ABB2BF\">)<\/span>\n\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">left<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">tasks<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">filter<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">t<\/span><span style=\"color: #ABB2BF\">) =&gt; <\/span><span style=\"color: #56B6C2\">!<\/span><span style=\"color: #E06C75\">t<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">done<\/span><span style=\"color: #ABB2BF\">).<\/span><span style=\"color: #E06C75\">length<\/span>\n\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #E06C75\">useEffect<\/span><span style=\"color: #ABB2BF\">(() =&gt; {<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E5C07B\">document<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">`\u041e\u0441\u0442\u0430\u043b\u043e\u0441\u044c \u0437\u0430\u0434\u0430\u0447: ${<\/span><span style=\"color: #E06C75\">left<\/span><span style=\"color: #98C379\">}`<\/span>\n<span style=\"color: #ABB2BF\">  }, [<\/span><span style=\"color: #E06C75\">left<\/span><span style=\"color: #ABB2BF\">])<\/span>\n\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">addTask<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">) {<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">preventDefault<\/span><span style=\"color: #ABB2BF\">()<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">text<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">trim<\/span><span style=\"color: #ABB2BF\">()<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #C678DD\">if<\/span><span style=\"color: #ABB2BF\"> (<\/span><span style=\"color: #56B6C2\">!<\/span><span style=\"color: #E06C75\">text<\/span><span style=\"color: #ABB2BF\">) <\/span><span style=\"color: #C678DD\">return<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">setTasks<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">prev<\/span><span style=\"color: #ABB2BF\">) =&gt; [<\/span>\n<span style=\"color: #ABB2BF\">      ...<\/span><span style=\"color: #E06C75\">prev<\/span><span style=\"color: #ABB2BF\">,<\/span>\n<span style=\"color: #ABB2BF\">      { <\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">crypto<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">randomUUID<\/span><span style=\"color: #ABB2BF\">(), <\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">text<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">done<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E5C07B\">false<\/span><span style=\"color: #ABB2BF\"> },<\/span>\n<span style=\"color: #ABB2BF\">    ])<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">setTitle<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">''<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">  }<\/span>\n\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">toggle<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #ABB2BF\">) {<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">setTasks<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">prev<\/span><span style=\"color: #ABB2BF\">) =&gt;<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #E06C75\">prev<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">map<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">t<\/span><span style=\"color: #ABB2BF\">) =&gt; (<\/span><span style=\"color: #E06C75\">t<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">===<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">?<\/span><span style=\"color: #ABB2BF\"> { ...<\/span><span style=\"color: #E06C75\">t<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">done<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">!<\/span><span style=\"color: #E06C75\">t<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">done<\/span><span style=\"color: #ABB2BF\"> } <\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">t<\/span><span style=\"color: #ABB2BF\">)),<\/span>\n<span style=\"color: #ABB2BF\">    )<\/span>\n<span style=\"color: #ABB2BF\">  }<\/span>\n\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">return<\/span><span style=\"color: #ABB2BF\"> (<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">main<\/span><span style=\"color: #56B6C2\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">h1<\/span><span style=\"color: #56B6C2\">&gt;<\/span><span style=\"color: #E06C75\">\u041c\u043e\u0438<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">\u0437\u0430\u0434\u0430\u0447\u0438<\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #ABB2BF\">\/h1&gt;<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">form<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">onSubmit<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\">{<\/span><span style=\"color: #E06C75\">addTask<\/span><span style=\"color: #ABB2BF\">}<\/span><span style=\"color: #56B6C2\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">input<\/span>\n<span style=\"color: #ABB2BF\">          <\/span><span style=\"color: #E06C75\">aria<\/span><span style=\"color: #56B6C2\">-<\/span><span style=\"color: #E06C75\">label<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"\u041d\u043e\u0432\u0430\u044f \u0437\u0430\u0434\u0430\u0447\u0430\"<\/span>\n<span style=\"color: #ABB2BF\">          <\/span><span style=\"color: #E06C75\">value<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\">{<\/span><span style=\"color: #E06C75\">title<\/span><span style=\"color: #ABB2BF\">}<\/span>\n<span style=\"color: #ABB2BF\">          <\/span><span style=\"color: #E06C75\">onChange<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\">{(<\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">) =&gt; <\/span><span style=\"color: #E06C75\">setTitle<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">event<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">target<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">value<\/span><span style=\"color: #ABB2BF\">)}<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #56B6C2\">\/&gt;<\/span>\n<span style=\"color: #ABB2BF\">        <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">button<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">type<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #98C379\">\"submit\"<\/span><span style=\"color: #56B6C2\">&gt;<\/span><span style=\"color: #E06C75\">\u0414\u043e\u0431\u0430\u0432\u0438\u0442\u044c<\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #ABB2BF\">\/button&gt;<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #ABB2BF\">\/form&gt;<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">ul<\/span><span style=\"color: #56B6C2\">&gt;<\/span>\n<span style=\"color: #ABB2BF\">        {<\/span><span style=\"color: #E06C75\">tasks<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">map<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">task<\/span><span style=\"color: #ABB2BF\">) =&gt; (<\/span>\n<span style=\"color: #ABB2BF\">          <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">TaskItem<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">key<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\">{<\/span><span style=\"color: #E06C75\">task<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #ABB2BF\">} <\/span><span style=\"color: #E06C75\">task<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\">{<\/span><span style=\"color: #E06C75\">task<\/span><span style=\"color: #ABB2BF\">} <\/span><span style=\"color: #E06C75\">onToggle<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\">{<\/span><span style=\"color: #E06C75\">toggle<\/span><span style=\"color: #ABB2BF\">} <\/span><span style=\"color: #56B6C2\">\/&gt;<\/span>\n<span style=\"color: #ABB2BF\">        ))}<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #ABB2BF\">\/ul&gt;<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">p<\/span><span style=\"color: #56B6C2\">&gt;<\/span><span style=\"color: #E06C75\">\u041e\u0441\u0442\u0430\u043b\u043e\u0441\u044c<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> {<\/span><span style=\"color: #E06C75\">left<\/span><span style=\"color: #ABB2BF\">}<\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #ABB2BF\">\/p&gt;<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #ABB2BF\">\/main&gt;<\/span>\n<span style=\"color: #ABB2BF\">  )<\/span>\n<span style=\"color: #ABB2BF\">}<\/span><\/code><\/pre>\n<p>\u0427\u0442\u043e \u0443\u0432\u0438\u0434\u0438\u0442\u0435: \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a \u00ab\u041c\u043e\u0438 \u0437\u0430\u0434\u0430\u0447\u0438\u00bb, \u043f\u043e\u043b\u0435 \u0441 \u043a\u043d\u043e\u043f\u043a\u043e\u0439, \u0434\u0432\u0435 \u0437\u0430\u0434\u0430\u0447\u0438 (\u043f\u0435\u0440\u0432\u0430\u044f \u0437\u0430\u0447\u0435\u0440\u043a\u043d\u0443\u0442\u0430) \u0438 \u0441\u0442\u0440\u043e\u043a\u0443 \u00ab\u041e\u0441\u0442\u0430\u043b\u043e\u0441\u044c: 1\u00bb. \u0412\u043a\u043b\u0430\u0434\u043a\u0430 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u00ab\u041e\u0441\u0442\u0430\u043b\u043e\u0441\u044c \u0437\u0430\u0434\u0430\u0447: 1\u00bb. \u0415\u0441\u043b\u0438 \u0432\u0432\u0435\u0441\u0442\u0438 \u0442\u0435\u043a\u0441\u0442 \u0438 \u043d\u0430\u0436\u0430\u0442\u044c \u00ab\u0414\u043e\u0431\u0430\u0432\u0438\u0442\u044c\u00bb, \u0437\u0430\u0434\u0430\u0447\u0430 \u043f\u043e\u044f\u0432\u0438\u0442\u0441\u044f \u0432\u043d\u0438\u0437\u0443 \u0441\u043f\u0438\u0441\u043a\u0430; \u0441\u0442\u0440\u043e\u043a\u0430 \u0438\u0437 \u043e\u0434\u043d\u0438\u0445 \u043f\u0440\u043e\u0431\u0435\u043b\u043e\u0432 \u043d\u0435 \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u0441\u044f. \u041a\u043b\u0438\u043a \u043f\u043e \u0444\u043b\u0430\u0436\u043a\u0443 \u0437\u0430\u0447\u0435\u0440\u043a\u0438\u0432\u0430\u0435\u0442 \u0437\u0430\u0434\u0430\u0447\u0443 \u0438 \u043f\u0435\u0440\u0435\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u0442 \u0441\u0447\u0435\u0442\u0447\u0438\u043a.<\/p>\n<h2 id=\"s5\">\u0420\u0430\u0437\u0431\u043e\u0440 \u043f\u043e \u0447\u0430\u0441\u0442\u044f\u043c<\/h2>\n<p><strong>\u041a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u0438 props.<\/strong> <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">TaskItem<\/code> \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u0442 \u043e\u0431\u044a\u0435\u043a\u0442 props \u0438 \u0441\u0440\u0430\u0437\u0443 \u0440\u0430\u0441\u043a\u043b\u0430\u0434\u044b\u0432\u0430\u0435\u0442 \u0435\u0433\u043e \u043d\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">task<\/code> \u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">onToggle<\/code>. \u0414\u0430\u043d\u043d\u044b\u0435 \u0438\u0434\u0443\u0442 \u0441\u0432\u0435\u0440\u0445\u0443 \u0432\u043d\u0438\u0437: <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">App<\/code> \u0432\u043b\u0430\u0434\u0435\u0435\u0442 \u0441\u043f\u0438\u0441\u043a\u043e\u043c, \u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">TaskItem<\/code> \u043b\u0438\u0448\u044c \u0441\u043e\u043e\u0431\u0449\u0430\u0435\u0442 \u043d\u0430\u0432\u0435\u0440\u0445 \u00ab\u043f\u0435\u0440\u0435\u043a\u043b\u044e\u0447\u0438 \u0437\u0430\u0434\u0430\u0447\u0443 \u0441 \u0442\u0430\u043a\u0438\u043c id\u00bb \u0447\u0435\u0440\u0435\u0437 \u043f\u0435\u0440\u0435\u0434\u0430\u043d\u043d\u0443\u044e \u0444\u0443\u043d\u043a\u0446\u0438\u044e. \u042d\u0442\u043e \u0438 \u043d\u0430\u0437\u044b\u0432\u0430\u044e\u0442 \u043e\u0434\u043d\u043e\u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u043c \u043f\u043e\u0442\u043e\u043a\u043e\u043c \u0434\u0430\u043d\u043d\u044b\u0445.<\/p>\n<p><strong>JSX.<\/strong> \u0424\u0438\u0433\u0443\u0440\u043d\u044b\u0435 \u0441\u043a\u043e\u0431\u043a\u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">{}<\/code> \u0432\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442 JavaScript-\u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435: <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">{left}<\/code>, \u0442\u0435\u0440\u043d\u0430\u0440\u043d\u044b\u0439 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440, <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">tasks.map(...)<\/code>. \u0421\u0442\u0440\u043e\u043a\u0438 \u0432\u043d\u0443\u0442\u0440\u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">{}<\/code> React \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u0443\u0435\u0442, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0442\u0435\u043a\u0441\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">&lt;b&gt;<\/code> \u0438\u0437 \u043f\u043e\u043b\u044f \u0432\u0432\u043e\u0434\u0430 \u043f\u043e\u043a\u0430\u0436\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0442\u0435\u043a\u0441\u0442, \u0430 \u043d\u0435 \u043a\u0430\u043a \u0442\u0435\u0433. \u041e\u0442\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u044d\u043a\u0440\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043c\u043e\u0436\u043d\u043e \u0442\u043e\u043b\u044c\u043a\u043e \u044f\u0432\u043d\u043e \u0447\u0435\u0440\u0435\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">dangerouslySetInnerHTML<\/code> &#8212; \u0434\u043b\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u0433\u043e \u0432\u0432\u043e\u0434\u0430 \u0442\u0430\u043a \u0434\u0435\u043b\u0430\u0442\u044c \u043d\u0435\u043b\u044c\u0437\u044f \u0431\u0435\u0437 \u043e\u0447\u0438\u0441\u0442\u043a\u0438 HTML.<\/p>\n<p>\u0412\u043e \u0447\u0442\u043e \u043f\u0440\u0435\u0432\u0440\u0430\u0449\u0430\u0435\u0442\u0441\u044f JSX, \u0432\u0438\u0434\u043d\u043e \u0447\u0435\u0440\u0435\u0437 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e Vite (<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">transformWithOxc<\/code>). \u0421\u0442\u0440\u043e\u043a\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">&lt;h1 className=\"title\"&gt;\u041f\u0440\u0438\u0432\u0435\u0442, {name}&lt;\/h1&gt;<\/code> \u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u0441\u044f \u0432\u044b\u0437\u043e\u0432\u043e\u043c:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\">\/* @__PURE__ *\/ _reactJsxRuntime.jsxs(&quot;h1&quot;, {\n    className: &quot;title&quot;,\n    children: [&quot;\u041f\u0440\u0438\u0432\u0435\u0442, &quot;, name]\n});\n<\/code><\/pre>\n<p>\u0410\u0442\u0440\u0438\u0431\u0443\u0442\u044b \u043f\u0440\u0435\u0432\u0440\u0430\u0449\u0430\u044e\u0442\u0441\u044f \u0432 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u043e\u0431\u044a\u0435\u043a\u0442\u0430, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0432 JSX \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u0438\u043c\u0435\u043d\u0430 DOM-\u0441\u0432\u043e\u0439\u0441\u0442\u0432: <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">className<\/code> \u0432\u043c\u0435\u0441\u0442\u043e <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">class<\/code> (\u0441\u043b\u043e\u0432\u043e <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">class<\/code> \u0437\u0430\u0440\u0435\u0437\u0435\u0440\u0432\u0438\u0440\u043e\u0432\u0430\u043d\u043e \u0432 JavaScript) \u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">htmlFor<\/code> \u0432\u043c\u0435\u0441\u0442\u043e <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">for<\/code>.<\/p>\n<p><strong>State.<\/strong> <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">useState<\/code> \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043f\u0430\u0440\u0443: \u0442\u0435\u043a\u0443\u0449\u0435\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0434\u043b\u044f \u0435\u0433\u043e \u0441\u043c\u0435\u043d\u044b. \u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043d\u0435 \u043c\u0435\u043d\u044f\u044e\u0442 \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e (<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">tasks.push(...)<\/code> \u043d\u0435 \u0432\u044b\u0437\u043e\u0432\u0435\u0442 \u043f\u0435\u0440\u0435\u0440\u0438\u0441\u043e\u0432\u043a\u0443): \u0441\u043e\u0437\u0434\u0430\u044e\u0442 \u043d\u043e\u0432\u044b\u0439 \u043c\u0430\u0441\u0441\u0438\u0432 \u0438\u043b\u0438 \u043e\u0431\u044a\u0435\u043a\u0442 \u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u044e\u0442 \u0435\u0433\u043e \u0432 \u0441\u0435\u0442\u0442\u0435\u0440. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u0432 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">toggle<\/code> \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">map<\/code> \u0438 \u043a\u043e\u043f\u0438\u044f <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">{ ...t, done: !t.done }<\/code>.<\/p>\n<p><strong>\u041a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u043e\u0435 \u043f\u043e\u043b\u0435.<\/strong> \u0423 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">input<\/code> \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0431\u0435\u0440\u0435\u0442\u0441\u044f \u0438\u0437 state (<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">value={title}<\/code>), \u0430 \u043a\u0430\u0436\u0434\u043e\u0435 \u043d\u0430\u0436\u0430\u0442\u0438\u0435 \u043a\u043b\u0430\u0432\u0438\u0448\u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u0442 state \u0447\u0435\u0440\u0435\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">onChange<\/code>. \u0422\u0430\u043a React \u043e\u0441\u0442\u0430\u0435\u0442\u0441\u044f \u0435\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u043c \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u043e\u043c \u043f\u0440\u0430\u0432\u0434\u044b \u043e \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u043c \u043f\u043e\u043b\u044f, \u0438 \u0435\u0433\u043e \u043b\u0435\u0433\u043a\u043e \u043e\u0447\u0438\u0441\u0442\u0438\u0442\u044c \u0447\u0435\u0440\u0435\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">setTitle('')<\/code>.<\/p>\n<p><strong>\u041a\u043b\u044e\u0447\u0438 \u0441\u043f\u0438\u0441\u043a\u0430.<\/strong> <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">key={task.id}<\/code> \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 React \u043f\u043e\u043d\u044f\u0442\u044c, \u043a\u0430\u043a\u043e\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0441\u043f\u0438\u0441\u043a\u0430 \u0434\u043e\u0431\u0430\u0432\u0438\u043b\u0441\u044f, \u0443\u0434\u0430\u043b\u0438\u043b\u0441\u044f \u0438\u043b\u0438 \u043f\u0435\u0440\u0435\u043c\u0435\u0441\u0442\u0438\u043b\u0441\u044f. \u041a\u043b\u044e\u0447 \u0434\u043e\u043b\u0436\u0435\u043d \u0431\u044b\u0442\u044c \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u043c \u0438 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u043c \u0441\u0440\u0435\u0434\u0438 \u0441\u043e\u0441\u0435\u0434\u0435\u0439; \u0438\u043d\u0434\u0435\u043a\u0441 \u043c\u0430\u0441\u0441\u0438\u0432\u0430 \u043f\u043e\u0434\u0445\u043e\u0434\u0438\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u0441\u043f\u0438\u0441\u043a\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043d\u0438\u043a\u043e\u0433\u0434\u0430 \u043d\u0435 \u043f\u0435\u0440\u0435\u0443\u043f\u043e\u0440\u044f\u0434\u043e\u0447\u0438\u0432\u0430\u044e\u0442 \u0438 \u043d\u0435 \u0444\u0438\u043b\u044c\u0442\u0440\u0443\u044e\u0442.<\/p>\n<h2 id=\"s6\">\u0425\u0443\u043a\u0438: useState \u0438 useEffect<\/h2>\n<p><strong>\u0425\u0443\u043a<\/strong> &#8212; \u0444\u0443\u043d\u043a\u0446\u0438\u044f \u0441 \u0438\u043c\u0435\u043d\u0435\u043c \u043d\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">use<\/code>, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u043a \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0443 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 React: \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435, \u044d\u0444\u0444\u0435\u043a\u0442\u044b, \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442. \u0414\u0432\u0430 \u043f\u0440\u0430\u0432\u0438\u043b\u0430: \u0432\u044b\u0437\u044b\u0432\u0430\u0442\u044c \u0445\u0443\u043a\u0438 \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0430 \u0432\u0435\u0440\u0445\u043d\u0435\u043c \u0443\u0440\u043e\u0432\u043d\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (\u043d\u0435 \u0432\u043d\u0443\u0442\u0440\u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">if<\/code>, \u0446\u0438\u043a\u043b\u043e\u0432 \u0438 \u0432\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439) \u0438 \u0442\u043e\u043b\u044c\u043a\u043e \u0438\u0437 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u0438\u043b\u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u0445\u0443\u043a\u043e\u0432. React \u0440\u0430\u0437\u043b\u0438\u0447\u0430\u0435\u0442 \u0445\u0443\u043a\u0438 \u043f\u043e \u043f\u043e\u0440\u044f\u0434\u043a\u0443 \u0432\u044b\u0437\u043e\u0432\u0430, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0443\u0441\u043b\u043e\u0432\u043d\u044b\u0439 \u0432\u044b\u0437\u043e\u0432 \u043b\u043e\u043c\u0430\u0435\u0442 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435.<\/p>\n<p><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">useEffect<\/code> \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0438\u0440\u0443\u0435\u0442 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 \u0441 \u0432\u043d\u0435\u0448\u043d\u0438\u043c \u043c\u0438\u0440\u043e\u043c: \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a \u0432\u043a\u043b\u0430\u0434\u043a\u0438, \u0442\u0430\u0439\u043c\u0435\u0440, \u043f\u043e\u0434\u043f\u0438\u0441\u043a\u0430, \u0437\u0430\u043f\u0440\u043e\u0441 \u043a \u0441\u0435\u0440\u0432\u0435\u0440\u0443. \u0412\u0442\u043e\u0440\u043e\u0439 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442 &#8212; \u043c\u0430\u0441\u0441\u0438\u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0435\u0439: \u044d\u0444\u0444\u0435\u043a\u0442 \u0438\u0437 \u043f\u0440\u0438\u043c\u0435\u0440\u0430 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0438 \u0441\u043c\u0435\u043d\u0435 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">left<\/code>. \u0415\u0441\u043b\u0438 \u044d\u0444\u0444\u0435\u043a\u0442 \u0447\u0442\u043e-\u0442\u043e \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442, \u043e\u043d \u0434\u043e\u043b\u0436\u0435\u043d \u0432\u0435\u0440\u043d\u0443\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u043e\u0447\u0438\u0441\u0442\u043a\u0438:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> { <\/span><span style=\"color: #E06C75\">useEffect<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">useState<\/span><span style=\"color: #ABB2BF\"> } <\/span><span style=\"color: #C678DD\">from<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'react'<\/span>\n\n<span style=\"color: #C678DD\">export<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">Clock<\/span><span style=\"color: #ABB2BF\">() {<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> [<\/span><span style=\"color: #E06C75\">seconds<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">setSeconds<\/span><span style=\"color: #ABB2BF\">] <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">useState<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #D19A66\">0<\/span><span style=\"color: #ABB2BF\">)<\/span>\n\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #E06C75\">useEffect<\/span><span style=\"color: #ABB2BF\">(() =&gt; {<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">'\u0442\u0430\u0439\u043c\u0435\u0440 \u0437\u0430\u043f\u0443\u0449\u0435\u043d'<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">setInterval<\/span><span style=\"color: #ABB2BF\">(() =&gt; <\/span><span style=\"color: #E06C75\">setSeconds<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">s<\/span><span style=\"color: #ABB2BF\">) =&gt; <\/span><span style=\"color: #E06C75\">s<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">+<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #D19A66\">1<\/span><span style=\"color: #ABB2BF\">), <\/span><span style=\"color: #D19A66\">1000<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #C678DD\">return<\/span><span style=\"color: #ABB2BF\"> () =&gt; {<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #E06C75\">console<\/span><span style=\"color: #ABB2BF\">.<\/span><span style=\"color: #E06C75\">log<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #98C379\">'\u0442\u0430\u0439\u043c\u0435\u0440 \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d'<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">      <\/span><span style=\"color: #E06C75\">clearInterval<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">id<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">    }<\/span>\n<span style=\"color: #ABB2BF\">  }, [])<\/span>\n\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">return<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">p<\/span><span style=\"color: #56B6C2\">&gt;<\/span><span style=\"color: #E06C75\">\u041f\u0440\u043e\u0448\u043b\u043e<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">\u0441\u0435\u043a\u0443\u043d\u0434<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> {<\/span><span style=\"color: #E06C75\">seconds<\/span><span style=\"color: #ABB2BF\">}<\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #ABB2BF\">\/p&gt;<\/span>\n<span style=\"color: #ABB2BF\">}<\/span><\/code><\/pre>\n<p>\u0412 \u0440\u0435\u0436\u0438\u043c\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">StrictMode<\/code> \u043a\u043e\u043d\u0441\u043e\u043b\u044c \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 \u043f\u043e\u0441\u043b\u0435 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043f\u043e\u043a\u0430\u0436\u0435\u0442:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\">\u0442\u0430\u0439\u043c\u0435\u0440 \u0437\u0430\u043f\u0443\u0449\u0435\u043d\n\u0442\u0430\u0439\u043c\u0435\u0440 \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\n\u0442\u0430\u0439\u043c\u0435\u0440 \u0437\u0430\u043f\u0443\u0449\u0435\u043d\n<\/code><\/pre>\n<p>\u042d\u0442\u043e \u043d\u0435 \u043e\u0448\u0438\u0431\u043a\u0430: \u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 React \u043d\u0430\u043c\u0435\u0440\u0435\u043d\u043d\u043e \u043c\u043e\u043d\u0442\u0438\u0440\u0443\u0435\u0442 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442, \u0440\u0430\u0437\u043c\u043e\u043d\u0442\u0438\u0440\u0443\u0435\u0442 \u0438 \u043c\u043e\u043d\u0442\u0438\u0440\u0443\u0435\u0442 \u0441\u043d\u043e\u0432\u0430, \u0447\u0442\u043e\u0431\u044b \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c, \u0447\u0442\u043e \u043e\u0447\u0438\u0441\u0442\u043a\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0430 \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e. \u0412 production-\u0441\u0431\u043e\u0440\u043a\u0435 (<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">npm run build<\/code>) \u044d\u0444\u0444\u0435\u043a\u0442 \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u0441\u044f \u043e\u0434\u0438\u043d \u0440\u0430\u0437. \u0411\u0435\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">clearInterval<\/code> \u0432 \u043e\u0447\u0438\u0441\u0442\u043a\u0435 \u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u043b\u0438 \u0431\u044b \u0434\u0432\u0430 \u0442\u0430\u0439\u043c\u0435\u0440\u0430 \u0438 \u0441\u0435\u043a\u0443\u043d\u0434\u044b \u0448\u043b\u0438 \u0431\u044b \u0432\u0434\u0432\u043e\u0435 \u0431\u044b\u0441\u0442\u0440\u0435\u0435.<\/p>\n<h2 id=\"s7\">\u0422\u0438\u043f\u0438\u0447\u043d\u0430\u044f \u043e\u0448\u0438\u0431\u043a\u0430: state \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0435 \u0441\u0440\u0430\u0437\u0443<\/h2>\n<p>\u0417\u0430\u0434\u0430\u0447\u0430 &#8212; \u043f\u043e \u043a\u043b\u0438\u043a\u0443 \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u0441\u0447\u0435\u0442\u0447\u0438\u043a \u043d\u0430 3.<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">import<\/span><span style=\"color: #ABB2BF\"> { <\/span><span style=\"color: #E06C75\">useState<\/span><span style=\"color: #ABB2BF\"> } <\/span><span style=\"color: #C678DD\">from<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #98C379\">'react'<\/span>\n\n<span style=\"color: #C678DD\">export<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">CounterBroken<\/span><span style=\"color: #ABB2BF\">() {<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">const<\/span><span style=\"color: #ABB2BF\"> [<\/span><span style=\"color: #E06C75\">count<\/span><span style=\"color: #ABB2BF\">, <\/span><span style=\"color: #E06C75\">setCount<\/span><span style=\"color: #ABB2BF\">] <\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">useState<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #D19A66\">0<\/span><span style=\"color: #ABB2BF\">)<\/span>\n\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">addThree<\/span><span style=\"color: #ABB2BF\">() {<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">setCount<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">count<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">+<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #D19A66\">1<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">setCount<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">count<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">+<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #D19A66\">1<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">    <\/span><span style=\"color: #E06C75\">setCount<\/span><span style=\"color: #ABB2BF\">(<\/span><span style=\"color: #E06C75\">count<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">+<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #D19A66\">1<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">  }<\/span>\n\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #C678DD\">return<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #E06C75\">button<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">onClick<\/span><span style=\"color: #56B6C2\">=<\/span><span style=\"color: #ABB2BF\">{<\/span><span style=\"color: #E06C75\">addThree<\/span><span style=\"color: #ABB2BF\">}<\/span><span style=\"color: #56B6C2\">&gt;<\/span><span style=\"color: #E06C75\">\u0421\u0447\u0435\u0442<\/span><span style=\"color: #56B6C2\">:<\/span><span style=\"color: #ABB2BF\"> {<\/span><span style=\"color: #E06C75\">count<\/span><span style=\"color: #ABB2BF\">}<\/span><span style=\"color: #56B6C2\">&lt;<\/span><span style=\"color: #ABB2BF\">\/button&gt;<\/span>\n<span style=\"color: #ABB2BF\">}<\/span><\/code><\/pre>\n<p>\u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043f\u043e\u0441\u043b\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043b\u0438\u043a\u0430 &#8212; \u00ab\u0421\u0447\u0435\u0442: 1\u00bb, \u0430 \u043d\u0435 3. \u0412\u043d\u0443\u0442\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">count<\/code> &#8212; \u0441\u043d\u0438\u043c\u043e\u043a \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043d\u0430 \u043c\u043e\u043c\u0435\u043d\u0442 \u0440\u0435\u043d\u0434\u0435\u0440\u0430 (0), \u0438 \u0432\u0441\u0435 \u0442\u0440\u0438 \u0432\u044b\u0437\u043e\u0432\u0430 \u043f\u0440\u043e\u0441\u044f\u0442 \u043f\u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c 1. \u0418\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 &#8212; \u0444\u0443\u043d\u043a\u0446\u0438\u044f-\u043e\u0431\u043d\u043e\u0432\u0438\u0442\u0435\u043b\u044c, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u0442 \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438\u0437 \u043e\u0447\u0435\u0440\u0435\u0434\u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439:<\/p>\n<pre style=\"background:#282c34;color:#abb2bf;border-radius:8px;padding:16px 20px;margin:20px 0;overflow-x:auto;font-size:14px;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\"><code style=\"background:none\"><span style=\"color: #C678DD\">function<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #E06C75\">addThree<\/span><span style=\"color: #ABB2BF\">() {<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #E06C75\">setCount<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">c<\/span><span style=\"color: #ABB2BF\">) =&gt; <\/span><span style=\"color: #E06C75\">c<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">+<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #D19A66\">1<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #E06C75\">setCount<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">c<\/span><span style=\"color: #ABB2BF\">) =&gt; <\/span><span style=\"color: #E06C75\">c<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">+<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #D19A66\">1<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">  <\/span><span style=\"color: #E06C75\">setCount<\/span><span style=\"color: #ABB2BF\">((<\/span><span style=\"color: #E06C75\">c<\/span><span style=\"color: #ABB2BF\">) =&gt; <\/span><span style=\"color: #E06C75\">c<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #56B6C2\">+<\/span><span style=\"color: #ABB2BF\"> <\/span><span style=\"color: #D19A66\">1<\/span><span style=\"color: #ABB2BF\">)<\/span>\n<span style=\"color: #ABB2BF\">}<\/span><\/code><\/pre>\n<p>\u041f\u043e\u0441\u043b\u0435 \u043a\u043b\u0438\u043a\u0430 \u043a\u043d\u043e\u043f\u043a\u0430 \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u00ab\u0421\u0447\u0435\u0442: 3\u00bb. \u041f\u0440\u0430\u0432\u0438\u043b\u043e: \u0435\u0441\u043b\u0438 \u043d\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0435\u0433\u043e, \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u0432 \u0441\u0435\u0442\u0442\u0435\u0440 \u0444\u0443\u043d\u043a\u0446\u0438\u044e.<\/p>\n<h2 id=\"s8\">\u0415\u0441\u043b\u0438 \u043d\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0421\u0438\u043c\u043f\u0442\u043e\u043c<\/th>\n<th>\u0412\u0435\u0440\u043e\u044f\u0442\u043d\u0430\u044f \u043f\u0440\u0438\u0447\u0438\u043d\u0430<\/th>\n<th>\u0427\u0442\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Vite \u043f\u0438\u0448\u0435\u0442, \u0447\u0442\u043e \u043d\u0443\u0436\u043d\u0430 \u0434\u0440\u0443\u0433\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f Node.js<\/td>\n<td>\u0421\u0442\u0430\u0440\u044b\u0439 Node.js<\/td>\n<td>\u041f\u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c Node.js 24 LTS (\u043c\u0438\u043d\u0438\u043c\u0443\u043c 22.12+), \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">node -v<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u0411\u0435\u043b\u0430\u044f \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0430<\/td>\n<td>\u041e\u0448\u0438\u0431\u043a\u0430 \u0432 \u043a\u043e\u0434\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430<\/td>\n<td>\u041e\u0442\u043a\u0440\u044b\u0442\u044c \u043a\u043e\u043d\u0441\u043e\u043b\u044c \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 (F12) \u0438 \u043f\u0440\u043e\u0447\u0438\u0442\u0430\u0442\u044c \u043f\u0435\u0440\u0432\u0443\u044e \u043a\u0440\u0430\u0441\u043d\u0443\u044e \u043e\u0448\u0438\u0431\u043a\u0443<\/td>\n<\/tr>\n<tr>\n<td><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">Adjacent JSX elements must be wrapped in an enclosing tag.<\/code><\/td>\n<td>\u041a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0434\u0432\u0430 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430 \u0440\u044f\u0434\u043e\u043c<\/td>\n<td>\u041e\u0431\u0435\u0440\u043d\u0443\u0442\u044c \u0432 \u043e\u0431\u0449\u0438\u0439 \u0442\u0435\u0433 \u0438\u043b\u0438 \u0432\u043e \u0444\u0440\u0430\u0433\u043c\u0435\u043d\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">&lt;&gt;...&lt;\/&gt;<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u0412 \u043a\u043e\u043d\u0441\u043e\u043b\u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">Each child in a list should have a unique \"key\" prop.<\/code><\/td>\n<td>\u0423 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0438\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">map<\/code> \u043d\u0435\u0442 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">key<\/code><\/td>\n<td>\u0414\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">key<\/code>, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440 id \u0437\u0430\u043f\u0438\u0441\u0438<\/td>\n<\/tr>\n<tr>\n<td>\u0414\u0430\u043d\u043d\u044b\u0435 \u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f, \u0430 \u044d\u043a\u0440\u0430\u043d \u043d\u0435\u0442<\/td>\n<td>\u0418\u0437\u043c\u0435\u043d\u0435\u043d \u043c\u0430\u0441\u0441\u0438\u0432 \u0438\u043b\u0438 \u043e\u0431\u044a\u0435\u043a\u0442 \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e<\/td>\n<td>\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u043a\u043e\u043f\u0438\u044e \u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0442\u044c \u0435\u0435 \u0432 \u0441\u0435\u0442\u0442\u0435\u0440<\/td>\n<\/tr>\n<tr>\n<td>\u042d\u0444\u0444\u0435\u043a\u0442 \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0431\u0435\u0441\u043a\u043e\u043d\u0435\u0447\u043d\u043e<\/td>\n<td>\u042d\u0444\u0444\u0435\u043a\u0442 \u043c\u0435\u043d\u044f\u0435\u0442 state, \u043e\u0442 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0441\u0430\u043c \u0437\u0430\u0432\u0438\u0441\u0438\u0442<\/td>\n<td>\u041f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c \u043c\u0430\u0441\u0441\u0438\u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0438 \u0443\u0441\u043b\u043e\u0432\u0438\u0435 \u0432\u043d\u0443\u0442\u0440\u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0430<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0414\u043e\u0440\u043e\u0436\u043d\u0430\u044f \u043a\u0430\u0440\u0442\u0430 \u0434\u043e \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u0441\u0432\u043e\u0435\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430: \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u043f\u0440\u043e\u0435\u043a\u0442 \u043d\u0430 Vite -&gt; \u043f\u043e\u0432\u0442\u043e\u0440\u0438\u0442\u044c \u043f\u0440\u0438\u043c\u0435\u0440 \u0441\u043e \u0441\u043f\u0438\u0441\u043a\u043e\u043c \u0437\u0430\u0434\u0430\u0447 -&gt; \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0437\u0430\u0434\u0430\u0447\u0438 -&gt; \u0441\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0441\u043f\u0438\u0441\u043e\u043a \u0432 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">localStorage<\/code> \u0447\u0435\u0440\u0435\u0437 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">useEffect<\/code> -&gt; \u0437\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0441 API. \u0418\u0442\u043e\u0433\u043e\u0432\u044b\u0439 \u0430\u0440\u0442\u0435\u0444\u0430\u043a\u0442 &#8212; \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0432 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438. \u0421\u0440\u043e\u043a \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u0443\u0440\u043e\u0432\u043d\u044f JavaScript: \u0431\u0435\u0437 \u0443\u0432\u0435\u0440\u0435\u043d\u043d\u043e\u0433\u043e \u0437\u043d\u0430\u043d\u0438\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u0439, \u043c\u0430\u0441\u0441\u0438\u0432\u043e\u0432, \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u0438 \u043c\u043e\u0434\u0443\u043b\u0435\u0439 \u043d\u0430\u0447\u0438\u043d\u0430\u0442\u044c \u043b\u0443\u0447\u0448\u0435 \u0441 \u043d\u0438\u0445.<\/p>\n<h2 id=\"s9\">\u0412\u044b\u0432\u043e\u0434\u044b<\/h2>\n<ul>\n<li>React &#8212; \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u0434\u043b\u044f \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432: \u0432\u044b \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442\u0435 \u0432\u0438\u0434 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 \u043f\u0440\u0438 \u0442\u0435\u043a\u0443\u0449\u0438\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, React \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u0442 DOM \u0441\u0430\u043c.<\/li>\n<li>\u0418\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u0441\u043e\u0431\u0438\u0440\u0430\u0435\u0442\u0441\u044f \u0438\u0437 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432-\u0444\u0443\u043d\u043a\u0446\u0438\u0439; \u0434\u0430\u043d\u043d\u044b\u0435 \u0438\u0434\u0443\u0442 \u0432\u043d\u0438\u0437 \u0447\u0435\u0440\u0435\u0437 props, \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 \u0445\u0440\u0430\u043d\u044f\u0442\u0441\u044f \u0432 state.<\/li>\n<li>JSX &#8212; \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u0431\u043e\u0440\u0449\u0438\u043a \u043f\u0440\u0435\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0432 \u0432\u044b\u0437\u043e\u0432\u044b <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jsx()<\/code>\/<code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">jsxs()<\/code>, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u043d\u0443\u0436\u0435\u043d Vite \u0438\u043b\u0438 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a.<\/li>\n<li><code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">useState<\/code> \u0438 <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">useEffect<\/code> \u0437\u0430\u043a\u0440\u044b\u0432\u0430\u044e\u0442 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u0437\u0430\u0434\u0430\u0447 \u043d\u043e\u0432\u0438\u0447\u043a\u0430; \u044d\u0444\u0444\u0435\u043a\u0442 \u0441 \u0442\u0430\u0439\u043c\u0435\u0440\u043e\u043c \u0438\u043b\u0438 \u043f\u043e\u0434\u043f\u0438\u0441\u043a\u043e\u0439 \u043e\u0431\u044f\u0437\u0430\u043d \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0442\u044c \u043e\u0447\u0438\u0441\u0442\u043a\u0443.<\/li>\n<li>\u0415\u0441\u043b\u0438 \u043d\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 state \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u0441\u0442\u0430\u0440\u043e\u0433\u043e, \u0432 \u0441\u0435\u0442\u0442\u0435\u0440 \u043f\u0435\u0440\u0435\u0434\u0430\u044e\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u044e.<\/li>\n<\/ul>\n<h2 id=\"s10\">\u0413\u0434\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \/ \u0441\u0432\u044f\u0437\u044c \u0441 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0439<\/h2>\n<div class=\"oj-cta\" style=\"background:#fbf4e4;border-left:4px solid #c9962b;border-radius:8px;padding:16px 20px;margin:24px 0\">\n<p style=\"margin:0 0 8px\"><strong>\u041e\u0441\u0432\u043e\u0439\u0442\u0435 \u0442\u0435\u043c\u0443 \u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435<\/strong><\/p>\n<p>React \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u0434\u043b\u044f \u043b\u0438\u0447\u043d\u044b\u0445 \u043a\u0430\u0431\u0438\u043d\u0435\u0442\u043e\u0432, \u0430\u0434\u043c\u0438\u043d-\u043f\u0430\u043d\u0435\u043b\u0435\u0439, SaaS-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432 \u0438 \u0432\u0438\u0442\u0440\u0438\u043d, \u0430 \u0447\u0435\u0440\u0435\u0437 React Native &#8212; \u0434\u043b\u044f \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. \u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0448\u0430\u0433 \u043f\u043e\u0441\u043b\u0435 \u043e\u0441\u043d\u043e\u0432 &#8212; \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0446\u0438\u044f, \u0440\u0430\u0431\u043e\u0442\u0430 \u0441 \u0444\u043e\u0440\u043c\u0430\u043c\u0438 \u0438 API, \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c \u043c\u0435\u0436\u0434\u0443 \u043c\u043d\u043e\u0433\u0438\u043c\u0438 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430\u043c\u0438, \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0438 \u043e\u0434\u0438\u043d \u0438\u0437 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u043e\u0432 \u043f\u043e\u0432\u0435\u0440\u0445 React. \u0421\u0438\u0441\u0442\u0435\u043c\u043d\u043e \u043f\u0440\u043e\u0439\u0442\u0438 \u044d\u0442\u043e\u0442 \u043f\u0443\u0442\u044c \u0441 \u043f\u0440\u043e\u0435\u043a\u0442\u0430\u043c\u0438 \u0438 \u0440\u0435\u0432\u044c\u044e \u043a\u043e\u0434\u0430 \u043c\u043e\u0436\u043d\u043e \u043d\u0430 \u043a\u0443\u0440\u0441\u0435 <a href=\"https:\/\/otus.ru\/lessons\/react\/?int_article=react-opisanie-i-osnovy-raboty&amp;int_place=article&amp;int_variant=v1\">\u00abReact.js \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u00bb<\/a>. \u0420\u0430\u0437\u043e\u0431\u0440\u0430\u0442\u044c \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0435 \u0442\u0435\u043c\u044b \u0441 \u043f\u0440\u0435\u043f\u043e\u0434\u0430\u0432\u0430\u0442\u0435\u043b\u044f\u043c\u0438 \u043f\u043e\u043c\u043e\u0433\u0443\u0442 <a href=\"https:\/\/otus.ru\/events\/?int_article=react-opisanie-i-osnovy-raboty&amp;int_place=article&amp;int_variant=v1\">\u0431\u0435\u0441\u043f\u043b\u0430\u0442\u043d\u044b\u0435 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0435 \u0443\u0440\u043e\u043a\u0438 Otus<\/a>.<\/p>\n<\/div>\n<h2 id=\"s11\">FAQ<\/h2>\n<p><strong>React &#8212; \u044d\u0442\u043e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u0438\u043b\u0438 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a?<\/strong><br \/>\n\u041e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430: \u043e\u043d\u0430 \u043e\u0442\u0432\u0435\u0447\u0430\u0435\u0442 \u0437\u0430 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441, \u0430 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0446\u0438\u044e, \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u0439 \u0440\u0435\u043d\u0434\u0435\u0440\u0438\u043d\u0433 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0442 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0438 \u043f\u043e\u0432\u0435\u0440\u0445 React, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440 Next.js \u0438\u043b\u0438 React Router.<\/p>\n<p><strong>\u041d\u0443\u0436\u0435\u043d \u043b\u0438 TypeScript, \u0447\u0442\u043e\u0431\u044b \u043d\u0430\u0447\u0430\u0442\u044c?<\/strong><br \/>\n\u041d\u0435\u0442, \u043f\u0440\u0438\u043c\u0435\u0440\u044b \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442 \u043d\u0430 JavaScript. \u0423 Vite \u0435\u0441\u0442\u044c \u0448\u0430\u0431\u043b\u043e\u043d <code style=\"background:#eef0f3;color:#24292f;border-radius:4px;padding:1px 5px;font-size:0.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace\">react-ts<\/code>, \u0438 \u043d\u0430 TypeScript \u0443\u0434\u043e\u0431\u043d\u043e \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0438\u0442\u044c, \u043a\u043e\u0433\u0434\u0430 \u043f\u0440\u043e\u0435\u043a\u0442 \u0432\u044b\u0440\u0430\u0441\u0442\u0430\u0435\u0442.<\/p>\n<p><strong>\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0439 DOM \u0438 \u043d\u0443\u0436\u043d\u043e \u043b\u0438 \u043e \u043d\u0435\u043c \u0434\u0443\u043c\u0430\u0442\u044c?<\/strong><br \/>\n\u0422\u0430\u043a \u0447\u0430\u0441\u0442\u043e \u043d\u0430\u0437\u044b\u0432\u0430\u044e\u0442 \u0434\u0435\u0440\u0435\u0432\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 React \u0441\u0440\u0430\u0432\u043d\u0438\u0432\u0430\u0435\u0442 \u0441 \u043f\u0440\u043e\u0448\u043b\u044b\u043c, \u0447\u0442\u043e\u0431\u044b \u043c\u0435\u043d\u044f\u0442\u044c \u0432 DOM \u0442\u043e\u043b\u044c\u043a\u043e \u0440\u0430\u0437\u043d\u0438\u0446\u0443. \u041d\u043e\u0432\u0438\u0447\u043a\u0443 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u043f\u043e\u043d\u0438\u043c\u0430\u0442\u044c, \u0447\u0442\u043e \u043d\u0430 \u044d\u043a\u0440\u0430\u043d \u0432\u043b\u0438\u044f\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u043c\u0435\u043d\u0430 props \u0438 state.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>React &#8212; \u044d\u0442\u043e JavaScript-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0445 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432 \u0438\u0437 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432. \u0412\u044b \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442\u0435, \u043a\u0430\u043a \u0434\u043e\u043b\u0436\u0435\u043d \u0432\u044b\u0433\u043b\u044f\u0434\u0435\u0442\u044c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u043f\u0440\u0438 \u0442\u0435\u043a\u0443\u0449\u0438\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, \u0430 React \u0441\u0430\u043c \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u0442 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0443, \u043a\u043e\u0433\u0434\u0430 \u0434\u0430\u043d\u043d\u044b\u0435 \u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f. React \u043e\u0442\u0432\u0435\u0447\u0430\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0437\u0430 \u0441\u043b\u043e\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430: \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0446\u0438\u044e, \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0441\u0431\u043e\u0440\u043a\u0443 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0431\u0435\u0440\u0443\u0442 \u0438\u0437 \u0434\u0440\u0443\u0433\u0438\u0445 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0438\u043b\u0438 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u043e\u0432 \u043f\u043e\u0432\u0435\u0440\u0445 React. \u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 \u041a\u043e\u0440\u043e\u0442\u043a\u043e \u043e\u0431 \u0438\u0441\u0442\u043e\u0440\u0438\u0438 \u0438 \u0441\u0442\u0430\u0442\u0443\u0441\u0435 \u041f\u044f\u0442\u044c \u0442\u0435\u0440\u043c\u0438\u043d\u043e\u0432, [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":3594,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[83,115,194],"class_list":["post-3593","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-polza","tag-javascript","tag-js","tag-react"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 React \u0438 \u043a\u0430\u043a \u043e\u043d \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442: \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b, JSX, props \u0438 state, \u0445\u0443\u043a\u0438 useState \u0438 useEffect, \u043f\u0435\u0440\u0432\u043e\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043d\u0430 Vite \u0441 \u0440\u0430\u0437\u0431\u043e\u0440\u043e\u043c \u043a\u043e\u0434\u0430 \u0438 \u0442\u0438\u043f\u0438\u0447\u043d\u044b\u0445 \u043e\u0448\u0438\u0431\u043e\u043a \u043d\u043e\u0432\u0438\u0447\u043a\u0430.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"A. 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