{"id":2298,"date":"2021-10-29T19:37:15","date_gmt":"2021-10-29T19:37:15","guid":{"rendered":"https:\/\/otus.ru\/journal\/?p=2298"},"modified":"2021-11-22T17:10:09","modified_gmt":"2021-11-22T17:10:09","slug":"generiruem-sluchajnye-chisla-v-javascript","status":"publish","type":"post","link":"https:\/\/otus.ru\/journal\/generiruem-sluchajnye-chisla-v-javascript\/","title":{"rendered":"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_61 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/otus.ru\/journal\/generiruem-sluchajnye-chisla-v-javascript\/#%D0%91%D0%B0%D0%B7%D0%BE%D0%B2%D0%B0%D1%8F_%D0%B3%D0%B5%D0%BD%D0%B5%D1%80%D0%B0%D1%86%D0%B8%D1%8F_%D0%B2_JS\" title=\"\u0411\u0430\u0437\u043e\u0432\u0430\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0432 JS\">\u0411\u0430\u0437\u043e\u0432\u0430\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0432 JS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/otus.ru\/journal\/generiruem-sluchajnye-chisla-v-javascript\/#%D0%9F%D0%BE%D0%B4%D0%B1%D1%80%D0%B0%D1%81%D1%8B%D0%B2%D0%B0%D0%B5%D0%BC_%D0%BC%D0%BE%D0%BD%D0%B5%D1%82%D1%83_true_%D0%BB%D0%B8%D0%B1%D0%BE_false\" title=\"\u041f\u043e\u0434\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u043c \u043c\u043e\u043d\u0435\u0442\u0443 (true \u043b\u0438\u0431\u043e false)\">\u041f\u043e\u0434\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u043c \u043c\u043e\u043d\u0435\u0442\u0443 (true \u043b\u0438\u0431\u043e false)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/otus.ru\/journal\/generiruem-sluchajnye-chisla-v-javascript\/#%D0%9F%D1%80%D0%B8%D0%BC%D0%B5%D1%80_%D0%B3%D0%B5%D0%BD%D0%B5%D1%80%D0%B0%D1%86%D0%B8%D0%B8_%D1%81_%D0%B8%D1%81%D0%BA%D0%BB%D1%8E%D1%87%D0%B5%D0%BD%D0%B8%D1%8F%D0%BC%D0%B8\" title=\"\u041f\u0440\u0438\u043c\u0435\u0440 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0441 \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f\u043c\u0438\">\u041f\u0440\u0438\u043c\u0435\u0440 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0441 \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f\u043c\u0438<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/otus.ru\/journal\/generiruem-sluchajnye-chisla-v-javascript\/#%D0%93%D0%B5%D0%BD%D0%B5%D1%80%D0%B8%D1%80%D1%83%D0%B5%D0%BC_%D1%81%D0%BB%D1%83%D1%87%D0%B0%D0%B9%D0%BD%D0%BE%D0%B5_%D0%B8_%D0%BD%D0%B5%D0%BF%D0%BE%D0%B2%D1%82%D0%BE%D1%80%D1%8F%D1%8E%D1%89%D0%B5%D0%B5%D1%81%D1%8F_%D1%87%D0%B8%D1%81%D0%BB%D0%BE\" title=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0435 \u0438 \u043d\u0435\u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0435\u0435\u0441\u044f \u0447\u0438\u0441\u043b\u043e\">\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0435 \u0438 \u043d\u0435\u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0435\u0435\u0441\u044f \u0447\u0438\u0441\u043b\u043e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/otus.ru\/journal\/generiruem-sluchajnye-chisla-v-javascript\/#%D0%9F%D0%B0%D1%80%D1%83_%D1%81%D0%BB%D0%BE%D0%B2_%D0%BE_%D0%BA%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%B3%D1%80%D0%B0%D1%84%D0%B8%D0%B8\" title=\"\u041f\u0430\u0440\u0443 \u0441\u043b\u043e\u0432 \u043e \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0438\">\u041f\u0430\u0440\u0443 \u0441\u043b\u043e\u0432 \u043e \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0438<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 <strong>JavaScript <\/strong>(JS) \u043d\u0435\u0440\u0435\u0434\u043a\u043e \u043d\u0443\u0436\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0442\u0430\u043a\u0443\u044e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044e, \u043a\u0430\u043a <strong>\u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0445 \u0447\u0438\u0441\u0435\u043b<\/strong>. \u042d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u043d\u0430\u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f, \u043a\u043e\u0433\u0434\u0430 \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443 \u043d\u0443\u0436\u043d\u043e \u043f\u0440\u0438\u0432\u043d\u0435\u0441\u0442\u0438 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0441\u0442\u0438, \u043f\u0440\u0438\u0447\u0435\u043c \u043d\u0435 \u0432\u0430\u0436\u043d\u043e, \u043e \u043a\u0430\u043a\u043e\u043c \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438\u0434\u0435\u0442 \u0440\u0435\u0447\u044c, \u0431\u0443\u0434\u044c \u0442\u043e web-\u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430, \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0438\u043b\u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u043e\u0431\u044b\u0447\u043d\u044b\u0445 \u0434\u0435\u0441\u043a\u0442\u043e\u043f\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/otus.ru\/lessons\/specializacija-fullstack-dev\/?utm_source=oj&amp;utm_medium=affilate&amp;utm_campaign=spec_js\"><img loading=\"lazy\" decoding=\"async\" width=\"970\" height=\"70\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/FullstackSpec_Headline_970x70-8.png\" alt=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript\" class=\"wp-image-2375\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/FullstackSpec_Headline_970x70-8.png 970w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/FullstackSpec_Headline_970x70-8-300x22.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/FullstackSpec_Headline_970x70-8-150x11.png 150w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/FullstackSpec_Headline_970x70-8-768x55.png 768w\" sizes=\"auto, (max-width: 970px) 100vw, 970px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/FullstackSpec_Headline_970x70-8.png\",\"width\":\"970\",\"height\":\"70\"}<\/script><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0413\u0434\u0435 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e \u0432\u043e\u0441\u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0430 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0432 \u0430\u043d\u0438\u043c\u0430\u0446\u0438\u0438;<\/li><li>\u043f\u0440\u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0438 \u0440\u0430\u043d\u0434\u043e\u043c\u043d\u043e\u0439 \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043d\u043e\u0439 \u043c\u0443\u0437\u044b\u043a\u0438;<\/li><li>\u0432 \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u0430\u043b\u044c\u043d\u043e\u043c \u0438\u0441\u043a\u0443\u0441\u0441\u0442\u0432\u0435;<\/li><li>\u0434\u043b\u044f \u0432\u044b\u0432\u043e\u0434\u0430 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0433\u043e \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f;<\/li><li>\u0434\u043b\u044f \u0440\u0430\u043d\u0434\u043e\u043c\u043d\u043e\u0433\u043e \u0432\u044b\u0431\u043e\u0440\u0430 \u0441\u043b\u043e\u0432 \u0438\u0437 \u0441\u043f\u0438\u0441\u043a\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043e\u0437\u0434\u0430\u043d \u0437\u0430\u0440\u0430\u043d\u0435\u0435;<\/li><li>\u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f API-\u043a\u043b\u044e\u0447\u0435\u0439;<\/li><li>\u0434\u043b\u044f \u0432\u044b\u0432\u043e\u0434\u0430 \u0444\u0440\u0430\u0433\u043c\u0435\u043d\u0442\u043e\u0432 \u0442\u0435\u043a\u0441\u0442\u0430;<\/li><li>\u043f\u0440\u0438 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u043f\u0430\u0440\u043e\u043b\u0435\u0439, \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0445 \u0447\u0438\u0441\u0435\u043b \u0438 \u0442. \u0434.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0442 \u0440\u0430\u0437\u043d\u044b\u0435 \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438, \u0432\u044b\u0431\u043e\u0440 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f. \u041e \u043d\u0438\u0445 \u2014 \u043d\u0430\u0448\u0430 \u0441\u0442\u0430\u0442\u044c\u044f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%D0%91%D0%B0%D0%B7%D0%BE%D0%B2%D0%B0%D1%8F_%D0%B3%D0%B5%D0%BD%D0%B5%D1%80%D0%B0%D1%86%D0%B8%D1%8F_%D0%B2_JS\"><\/span>\u0411\u0430\u0437\u043e\u0432\u0430\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0432 JS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c random-\u0447\u0438\u0441\u043b\u043e \u2014 \u044d\u0442\u043e \u0445\u043e\u0440\u043e\u0448\u043e \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434 <strong>Math.random()<\/strong>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u0441\u0442\u0440\u043e\u0435\u043d \u0432 JavaScript.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Math.random()<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u043c\u0435\u0440 \u0432\u044b\u0432\u043e\u0434\u0430:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>0.5097055147211202<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435 \u043c\u0435\u0442\u043e\u0434 <strong>Math.random()<\/strong> \u0432\u0441\u0435\u0433\u0434\u0430 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442 \u0432\u043e\u0437\u0432\u0440\u0430\u0442 \u0447\u0438\u0441\u043b\u0430 \u0441 \u043f\u043b\u0430\u0432\u0430\u044e\u0449\u0435\u0439 \u0442\u043e\u0447\u043a\u043e\u0439 \u0432 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0435 \u043c\u0435\u0436\u0434\u0443 0 \u0438 1. \u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438, \u044d\u0442\u043e \u0447\u0438\u0441\u043b\u043e \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0438 \u043d\u0443\u043b\u0435\u043c, \u043e\u0434\u043d\u0430\u043a\u043e \u043e\u043d\u043e \u0442\u043e\u0447\u043d\u043e \u043d\u0438\u043a\u043e\u0433\u0434\u0430 \u043d\u0435 \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0432\u043d\u043e 1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0430\u043a \u043a\u0430\u043a \u043c\u0435\u0442\u043e\u0434 \u043e\u0447\u0435\u043d\u044c \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u0435\u043d \u0432 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438, \u0435\u0433\u043e \u043d\u0435\u0440\u0435\u0434\u043a\u043e \u043f\u043e\u043c\u0435\u0449\u0430\u044e\u0442 \u0432\u043d\u0443\u0442\u0440\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function show_random_number() {\n  var random_number = Math.random(); \/\/ generate random number between 0 and 1\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u043a \u0432\u044b\u0448\u0435\u0441\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0433\u043e \u2014 \u0444\u0443\u043d\u043a\u0446\u0438\u044f \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0440\u0430\u043d\u0434\u043e\u043c\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043b\u0438\u0448\u044c \u0432 \u043f\u0440\u0435\u0434\u0435\u043b\u0430\u0445 \u0432\u0435\u0441\u044c\u043c\u0430 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0430. \u041d\u043e \u044d\u0442\u043e \u043d\u0435 \u0437\u043d\u0430\u0447\u0438\u0442, \u0447\u0442\u043e \u0434\u0440\u0443\u0433\u0438\u0445 \u043f\u0443\u0442\u0435\u0439 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u043d\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u043c\u0435\u0436\u0434\u0443 \u0447\u0438\u0441\u043b\u0430\u043c\u0438: \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0435 \u0438 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f (max, min)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043b\u044f \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0431\u0435\u0437 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0438 \u043d\u0435 \u043e\u0431\u043e\u0439\u0442\u0438\u0441\u044c.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"463\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/1-1.png\" alt=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript\" class=\"wp-image-2300\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/1-1.png 724w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/1-1-300x192.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/1-1-150x96.png 150w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/1-1.png\",\"width\":\"724\",\"height\":\"463\"}<\/script><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0430\u043a\u0436\u0435 \u043d\u0438\u043a\u0442\u043e \u043d\u0435 \u043c\u0435\u0448\u0430\u0435\u0442 \u0441\u0433\u0435\u043d\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0440\u0430\u043d\u0434\u043e\u043c\u043d\u043e\u0435 \u0446\u0435\u043b\u043e\u0435 \u0447\u0438\u0441\u043b\u043e \u0432 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0435, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0435 \u0438 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0435.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"649\" height=\"194\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/2-1.png\" alt=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript\" class=\"wp-image-2301\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/2-1.png 649w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/2-1-300x90.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/2-1-150x45.png 150w\" sizes=\"auto, (max-width: 649px) 100vw, 649px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/2-1.png\",\"width\":\"649\",\"height\":\"194\"}<\/script><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%D0%9F%D0%BE%D0%B4%D0%B1%D1%80%D0%B0%D1%81%D1%8B%D0%B2%D0%B0%D0%B5%D0%BC_%D0%BC%D0%BE%D0%BD%D0%B5%D1%82%D1%83_true_%D0%BB%D0%B8%D0%B1%D0%BE_false\"><\/span>\u041f\u043e\u0434\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u043c \u043c\u043e\u043d\u0435\u0442\u0443 (true \u043b\u0438\u0431\u043e false)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0418\u043d\u043e\u0433\u0434\u0430 \u043d\u0443\u0436\u043d\u043e \u043f\u0440\u043e\u0441\u0442\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043e\u0440\u0435\u043b \u0438\u043b\u0438 \u0440\u0435\u0448\u043a\u0443, \u0442\u043e \u0435\u0441\u0442\u044c, \u043f\u043e \u0441\u0443\u0442\u0438, 0 \u043b\u0438\u0431\u043e 1. \u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043f\u0440\u0438\u0433\u043e\u0434\u0438\u0442\u0441\u044f \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u043a\u043e\u0434:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function coinRandom() {\n  return Math.floor(Math.random() * 2);\n}\ncoinRandom();<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u0441\u043b\u0438 \u0436\u0435 \u043d\u0430\u0434\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e true \u043b\u0438\u0431\u043e false, \u0442\u043e \u043a\u043e\u0434 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u0438\u0437\u043c\u0435\u043d\u0438\u0442\u044c:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function coinRandom() {\n  return (Math.floor(Math.random() * 2) === 0);\n}\ncoinRandom();\n\n&gt;false<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0430\u043a\u0436\u0435 \u043c\u043e\u0436\u043d\u043e \u0430\u0441\u0441\u043e\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043d\u0443\u0436\u043d\u044b\u0435 \u0441\u043b\u043e\u0432\u0430 \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u0430\u043c\u0438 \u043c\u043e\u043d\u0435\u0442\u044b, \u0442\u043e \u0435\u0441\u0442\u044c \u0432\u0441\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u043c \u043f\u0440\u0435\u0441\u043b\u043e\u0432\u0443\u0442\u044b\u0435 \u043e\u0440\u0435\u043b \u0438\u043b\u0438 \u0440\u0435\u0448\u043a\u0430 (heads or tails).<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function coinRandom() {\n  return (Math.floor(Math.random() * 2) === 0) ? \" heads\" : \" tails\";\n}\ncoinRandom();\n\n&gt; tails<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%D0%9F%D1%80%D0%B8%D0%BC%D0%B5%D1%80_%D0%B3%D0%B5%D0%BD%D0%B5%D1%80%D0%B0%D1%86%D0%B8%D0%B8_%D1%81_%D0%B8%D1%81%D0%BA%D0%BB%D1%8E%D1%87%D0%B5%D0%BD%D0%B8%D1%8F%D0%BC%D0%B8\"><\/span>\u041f\u0440\u0438\u043c\u0435\u0440 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0441 \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f\u043c\u0438<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0434\u043b\u044f \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0430 \u0446\u0435\u043b\u044b\u0445 \u0447\u0438\u0441\u0435\u043b. \u0421\u043e\u0437\u0434\u0430\u0435\u0442\u0441\u044f \u043c\u0430\u0441\u0441\u0438\u0432 (array) \u0447\u0438\u0441\u043b\u043e\u0432\u044b\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u0443\u044e\u0442, \u0434\u0430\u043b\u0435\u0435 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432\u044b\u0431\u043e\u0440\u043a\u0430.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var numPool = &#91; 1, 5, 9, 13 ],\nrand = numPool&#91;Math.floor(Math.random() * numPool.length)];<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u043e\u0436\u043d\u043e \u0432\u0441\u0435 \u044d\u0442\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u043d\u044b\u043c, \u0434\u043e\u0431\u0430\u0432\u0438\u0432 \u043c\u0430\u0441\u0441\u0438\u0432 \u0441 \u0446\u0435\u043b\u044b\u043c\u0438 \u0447\u0438\u0441\u043b\u0430\u043c\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0430\u0434\u043e \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u044c, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u0443\u0441\u0442\u043e\u0439 \u043c\u0430\u0441\u0441\u0438\u0432 \u0441 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u043c \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u0446\u0438\u0438 1-\u0433\u043e \u0432\u043e 2-\u043e\u0439.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"523\" height=\"100\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/3.png\" alt=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript\" class=\"wp-image-2302\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/3.png 523w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/3-300x57.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/3-150x29.png 150w\" sizes=\"auto, (max-width: 523px) 100vw, 523px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/3.png\",\"width\":\"523\",\"height\":\"100\"}<\/script><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u043e\u0442\u043e\u043c \u0441\u043b\u0435\u0434\u0443\u0435\u0442:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0446\u0438\u043a\u043b \u043f\u043e \u043c\u0430\u0441\u0441\u0438\u0432\u0443 numPool;<\/li><li>\u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443, \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u043b\u0438 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0435 \u0447\u0438\u0441\u043b\u043e \u0432 \u043d\u0430\u0448\u0435\u043c \u043c\u0430\u0441\u0441\u0438\u0432\u0435 \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0439 excludePool;<\/li><li>\u043f\u043e\u043c\u0435\u0441\u0442\u0438\u0442\u044c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0432 \u043c\u0430\u0441\u0441\u0438\u0432 filteredPool.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"549\" height=\"147\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/4.png\" alt=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript\" class=\"wp-image-2303\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/4.png 549w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/4-300x80.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/4-150x40.png 150w\" sizes=\"auto, (max-width: 549px) 100vw, 549px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/4.png\",\"width\":\"549\",\"height\":\"147\"}<\/script><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u043e \u0438\u0442\u043e\u0433\u0443 \u043e\u0442\u043e\u0431\u0440\u0430\u0437\u0438\u0442\u0441\u044f \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0435 \u0447\u0438\u0441\u043b\u043e \u0438\u0437 \u043c\u0430\u0441\u0441\u0438\u0432\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u044b\u043b \u043e\u0442\u0444\u0438\u043b\u044c\u0442\u0440\u043e\u0432\u0430\u043d.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"836\" height=\"71\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/5.png\" alt=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript\" class=\"wp-image-2304\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/5.png 836w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/5-300x25.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/5-150x13.png 150w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/5-768x65.png 768w\" sizes=\"auto, (max-width: 836px) 100vw, 836px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/5.png\",\"width\":\"836\",\"height\":\"71\"}<\/script><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%D0%93%D0%B5%D0%BD%D0%B5%D1%80%D0%B8%D1%80%D1%83%D0%B5%D0%BC_%D1%81%D0%BB%D1%83%D1%87%D0%B0%D0%B9%D0%BD%D0%BE%D0%B5_%D0%B8_%D0%BD%D0%B5%D0%BF%D0%BE%D0%B2%D1%82%D0%BE%D1%80%D1%8F%D1%8E%D1%89%D0%B5%D0%B5%D1%81%D1%8F_%D1%87%D0%B8%D1%81%D0%BB%D0%BE\"><\/span>\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0435 \u0438 \u043d\u0435\u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0435\u0435\u0441\u044f \u0447\u0438\u0441\u043b\u043e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041a\u043e\u0433\u0434\u0430 \u0440\u0435\u0447\u044c \u0438\u0434\u0435\u0442 \u043e \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u043d\u0430\u0431\u043e\u0440\u0430\u0445 \u0447\u0438\u0441\u0435\u043b, \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u0441\u0442\u0443\u043f\u0438\u0442\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0441\u043e\u0437\u0434\u0430\u0435\u043c array, \u0437\u0430\u043f\u043e\u043b\u043d\u0435\u043d\u043d\u044b\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c\u0438;<\/li><li>\u0442\u0430\u0441\u0443\u0435\u043c \u044d\u0442\u0438 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u0440\u0430\u043d\u0434\u043e\u043c\u043d\u044b\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c;<\/li><li>\u043f\u043e\u043c\u0435\u0449\u0430\u0435\u043c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0432 \u043d\u043e\u0432\u044b\u0439 \u043c\u0430\u0441\u0441\u0438\u0432;<\/li><li>\u0438\u0437\u0432\u043b\u0435\u043a\u0430\u0435\u043c \u043f\u0435\u0440\u0435\u0442\u0430\u0441\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b 1 \u0440\u0430\u0437:<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"173\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/6-1024x173.png\" alt=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript\" class=\"wp-image-2305\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/6-1024x173.png 1024w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/6-300x51.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/6-150x25.png 150w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/6-768x130.png 768w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/6.png 1240w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/6-1024x173.png\",\"width\":\"1024\",\"height\":\"173\"}<\/script><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u0441\u043b\u0438 \u0436\u0435 \u043c\u044b \u0433\u043e\u0432\u043e\u0440\u0438\u043c \u043e \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u0447\u0438\u0441\u043b\u043e\u0432\u044b\u0445 \u043d\u0430\u0431\u043e\u0440\u0430\u0445, \u0442\u043e \u0442\u0443\u0442 \u043d\u0430\u0434\u043e \u043f\u043e\u0441\u043b\u0435 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0437\u0430\u043f\u043e\u043b\u043d\u044f\u0442\u044c array \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u043c\u0438 \u0446\u0435\u043b\u044b\u043c\u0438 \u0447\u0438\u0441\u043b\u0430\u043c\u0438, \u043f\u0440\u0438\u0447\u0435\u043c \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043e\u0442\u043a\u043b\u043e\u043d\u044f\u0442\u044c \u043b\u044e\u0431\u043e\u0435 \u0447\u0438\u0441\u043b\u043e, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0440\u0430\u043d\u044c\u0448\u0435 \u0443\u0436\u0435 \u0431\u044b\u043b\u043e \u0441\u0433\u0435\u043d\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043e:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"634\" height=\"359\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/7.png\" alt=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript\" class=\"wp-image-2306\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/7.png 634w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/7-300x170.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/7-150x85.png 150w\" sizes=\"auto, (max-width: 634px) 100vw, 634px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/7.png\",\"width\":\"634\",\"height\":\"359\"}<\/script><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412 \u0432\u044b\u0448\u0435\u043e\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u043c \u043a\u043e\u0434\u0435 numReserve \u0437\u0430\u043f\u043e\u043b\u043d\u0435\u043d \u0434\u0432\u0435\u043d\u0430\u0434\u0446\u0430\u0442\u044c\u044e \u0440\u0430\u043d\u0434\u043e\u043c\u043d\u044b\u043c\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c\u0438 \u0432 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0435 \u043e\u0442 0 \u0434\u043e 1000. \u0427\u0438\u0441\u043b\u0430 \u043f\u043e\u0442\u043e\u043c \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0438\u0437 \u043c\u0430\u0441\u0441\u0438\u0432\u0430.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%D0%9F%D0%B0%D1%80%D1%83_%D1%81%D0%BB%D0%BE%D0%B2_%D0%BE_%D0%BA%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%B3%D1%80%D0%B0%D1%84%D0%B8%D0%B8\"><\/span>\u041f\u0430\u0440\u0443 \u0441\u043b\u043e\u0432 \u043e \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0438<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u044b\u0448\u0435 \u043c\u044b \u043f\u043e\u043a\u0430\u0437\u0430\u043b\u0438 \u0440\u044f\u0434 \u043c\u0435\u0442\u043e\u0434\u043e\u0432, \u043e\u0434\u043d\u0430\u043a\u043e \u0438\u0445 \u0431\u0443\u0434\u0435\u0442 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e, \u0435\u0441\u043b\u0438 \u0438\u0434\u0435\u0442 \u0440\u0430\u0437\u0433\u043e\u0432\u043e\u0440 \u043e \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0441 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0437\u0430\u0449\u0438\u0442\u043e\u0439. \u0414\u043b\u044f \u044d\u0442\u0438\u0445 \u0446\u0435\u043b\u0435\u0439 \u043c\u043e\u0436\u043d\u043e \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c Web Cryptography API \u0438 \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0442\u0438\u043f\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 array:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"403\" height=\"35\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/8.png\" alt=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript\" class=\"wp-image-2307\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/8.png 403w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/8-300x26.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/8-150x13.png 150w\" sizes=\"auto, (max-width: 403px) 100vw, 403px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/8.png\",\"width\":\"403\",\"height\":\"35\"}<\/script><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u043e \u0435\u0441\u0442\u044c \u043c\u044b \u0441\u043e\u0437\u0434\u0430\u0435\u043c \u043c\u0430\u0441\u0441\u0438\u0432, \u0433\u0434\u0435 \u0435\u0441\u0442\u044c \u0432\u043e\u0441\u0435\u043c\u044c \u0441\u043b\u043e\u0442\u043e\u0432, \u043f\u0440\u0438\u0447\u0435\u043c \u043a\u0430\u0436\u0434\u044b\u0439 \u0438\u0437 \u043d\u0438\u0445 \u0441\u043f\u043e\u0441\u043e\u0431\u0435\u043d \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0442\u044c 16-\u0431\u0438\u0442\u043d\u043e\u0435 \u0431\u0435\u0437\u0437\u043d\u0430\u043a\u043e\u0432\u043e\u0435 \u0446\u0435\u043b\u043e\u0435 \u0447\u0438\u0441\u043b\u043e. \u041c\u043e\u0436\u043d\u043e \u0432\u044b\u0431\u0440\u0430\u0442\u044c \u0438 \u0434\u0440\u0443\u0433\u0438\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>int16Array,<\/li><li>Int8Array,<\/li><li>Uint8Array,<\/li><li>Int32Array,<\/li><li>Uint32Array.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0437\u0430\u043f\u043e\u043b\u043d\u0438\u0442\u044c array \u0440\u0430\u043d\u0434\u043e\u043c\u043d\u044b\u043c\u0438 \u0447\u0438\u0441\u043b\u0430\u043c\u0438 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0433\u043e \u0442\u0438\u043f\u0430:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"473\" height=\"58\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/9.png\" alt=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript\" class=\"wp-image-2308\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/9.png 473w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/9-300x37.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/9-150x18.png 150w\" sizes=\"auto, (max-width: 473px) 100vw, 473px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/9.png\",\"width\":\"473\",\"height\":\"58\"}<\/script><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u043c\u0435\u0440 \u0432\u044b\u0431\u043e\u0440\u043a\u0438 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"628\" height=\"52\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/10.png\" alt=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript\" class=\"wp-image-2309\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/10.png 628w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/10-300x25.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/10-150x12.png 150w\" sizes=\"auto, (max-width: 628px) 100vw, 628px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/10\/10.png\",\"width\":\"628\",\"height\":\"52\"}<\/script><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0423 Web Cryptography API \u2014 \u0445\u043e\u0440\u043e\u0448\u0430\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0432 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0432\u0435\u0431-\u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430\u0445, \u0445\u043e\u0442\u044f \u0438\u043d\u043e\u0433\u0434\u0430 \u043d\u0443\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u0440\u0435\u0444\u0438\u043a\u0441\u044b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0425\u043e\u0442\u0438\u0442\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u0433\u043b\u0443\u0431\u043e\u043a\u0438\u0435 \u0437\u043d\u0430\u043d\u0438\u044f \u043f\u043e JavaScritpt? \u041e\u0431\u0440\u0430\u0442\u0438\u0442\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u043d\u0430 \u043a\u0443\u0440\u0441\u044b \u043f\u043e JS \u0432 Otus!<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/otus.ru\/lessons\/specializacija-fullstack-dev\/?utm_source=oj&amp;utm_medium=affilate&amp;utm_campaign=spec_js\"><img loading=\"lazy\" decoding=\"async\" width=\"970\" height=\"70\" src=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/FullstackSpec_Headline_970x70-9.png\" alt=\"\u0413\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0432 JavaScript\" class=\"wp-image-2376\" srcset=\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/FullstackSpec_Headline_970x70-9.png 970w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/FullstackSpec_Headline_970x70-9-300x22.png 300w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/FullstackSpec_Headline_970x70-9-150x11.png 150w, https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/FullstackSpec_Headline_970x70-9-768x55.png 768w\" sizes=\"auto, (max-width: 970px) 100vw, 970px\" \/><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"ImageObject\",\"url\":\"https:\/\/otus.ru\/journal\/wp-content\/uploads\/2021\/11\/FullstackSpec_Headline_970x70-9.png\",\"width\":\"970\",\"height\":\"70\"}<\/script><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043a\u0435 \u0441\u0442\u0430\u0442\u044c\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0438\u0441\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u044b:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><em>http:\/\/thenewcode.com\/82\/Recipes-for-Randomness-in-JavaScript;<\/em><\/li><li><em>https:\/\/habr.com\/ru\/company\/ruvds\/blog\/534108\/.<\/em><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u041f\u0440\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 JavaScript (JS) \u043d\u0435\u0440\u0435\u0434\u043a\u043e \u043d\u0443\u0436\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0442\u0430\u043a\u0443\u044e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044e, \u043a\u0430\u043a \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0445 \u0447\u0438\u0441\u0435\u043b. \u042d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u043d\u0430\u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f, \u043a\u043e\u0433\u0434\u0430 \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443 \u043d\u0443\u0436\u043d\u043e \u043f\u0440\u0438\u0432\u043d\u0435\u0441\u0442\u0438 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0441\u0442\u0438, \u043f\u0440\u0438\u0447\u0435\u043c \u043d\u0435 \u0432\u0430\u0436\u043d\u043e, \u043e \u043a\u0430\u043a\u043e\u043c \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438\u0434\u0435\u0442 \u0440\u0435\u0447\u044c, \u0431\u0443\u0434\u044c \u0442\u043e web-\u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430, \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0438\u043b\u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u043e\u0431\u044b\u0447\u043d\u044b\u0445 \u0434\u0435\u0441\u043a\u0442\u043e\u043f\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. \u0413\u0434\u0435 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e \u0432\u043e\u0441\u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0430 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f: \u0432 \u0430\u043d\u0438\u043c\u0430\u0446\u0438\u0438; \u043f\u0440\u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0438 \u0440\u0430\u043d\u0434\u043e\u043c\u043d\u043e\u0439 \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043d\u043e\u0439 \u043c\u0443\u0437\u044b\u043a\u0438; [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":2314,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[83],"class_list":["post-2298","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-polza","tag-javascript"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 JavaScript (JS) \u043d\u0435\u0440\u0435\u0434\u043a\u043e \u043d\u0443\u0436\u043d\u043e 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