{"id":133245,"date":"2025-01-17T00:11:48","date_gmt":"2025-01-16T18:11:48","guid":{"rendered":"http:\/\/rcl-radio.ru\/?p=133245"},"modified":"2025-01-17T00:11:48","modified_gmt":"2025-01-16T18:11:48","slug":"%d0%be%d0%bf%d0%b5%d1%80%d0%b0%d1%82%d0%be%d1%80%d1%8b-%d1%81%d1%80%d0%b0%d0%b2%d0%bd%d0%b5%d0%bd%d0%b8%d1%8f-javascript","status":"publish","type":"post","link":"http:\/\/rcl-radio.ru\/?p=133245","title":{"rendered":"\u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u044b \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f JavaScript"},"content":{"rendered":"

\u0412 JavaScript \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u044b \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0439 \u043c\u0435\u0436\u0434\u0443 \u0434\u0432\u0443\u043c\u044f \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c\u0438. \u041e\u043d\u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u044e\u0442 \u0431\u0443\u043b\u0435\u0432\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 (<\/span>true<\/span> \u0438\u043b\u0438 false<\/span>)<\/span>, \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u044e\u0449\u0435\u0435 \u043d\u0430 \u0438\u0441\u0442\u0438\u043d\u043d\u043e\u0441\u0442\u044c \u0438\u043b\u0438 \u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f. \u0412\u043e\u0442 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u044b \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f:<\/p>\n

1<\/span>. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u0441\u0442\u0440\u043e\u0433\u043e\u0433\u043e \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u0430 (<\/span>===)<\/span><\/strong>
\n\u041f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442 \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u0438 \u0442\u0438\u043f\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445. \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 true<\/span>, \u0442\u043e\u043b\u044c\u043a\u043e \u0435\u0441\u043b\u0438 \u043e\u0431\u0430 \u043e\u043f\u0435\u0440\u0430\u043d\u0434\u0430 \u0438\u043c\u0435\u044e\u0442 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438 \u0442\u0438\u043f.<\/p>\n

let<\/span> a = 5<\/span>;
\nlet b = «5»<\/span>;
\nconsole.log<\/span>(<\/span>a === b)<\/span>; \/\/ false<\/span><\/p><\/blockquote>\n

2<\/span>. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u043d\u0435\u0441\u0442\u0440\u043e\u0433\u043e\u0433\u043e \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u0430 (<\/span>==)<\/span><\/strong>
\n\u041f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442 \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439, \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u044b\u0432\u0430\u044f \u0442\u0438\u043f\u044b \u0434\u0430\u043d\u043d\u044b\u0445, \u0435\u0441\u043b\u0438 \u044d\u0442\u043e \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e. \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 true<\/span>, \u0435\u0441\u043b\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0440\u0430\u0432\u043d\u044b \u043f\u043e\u0441\u043b\u0435 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0438\u043f\u043e\u0432.<\/p>\n

let<\/span> a = 5<\/span>;
\nlet b = «5»<\/span>;
\nconsole.log<\/span>(<\/span>a == b)<\/span>; \/\/ true<\/span><\/p><\/blockquote>\n

3<\/span>. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u0441\u0442\u0440\u043e\u0433\u043e\u0433\u043e \u043d\u0435\u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u0430 (<\/span>!<\/span>==)<\/span><\/strong>
\n\u041f\u0440\u043e\u0442\u0438\u0432\u043e\u043f\u043e\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0443 \u0441\u0442\u0440\u043e\u0433\u043e\u0433\u043e \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u0430. \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 true<\/span>, \u0435\u0441\u043b\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0438\u043b\u0438 \u0442\u0438\u043f\u044b \u0434\u0430\u043d\u043d\u044b\u0445 \u0440\u0430\u0437\u043b\u0438\u0447\u0430\u044e\u0442\u0441\u044f.<\/p>\n

let<\/span> a = 5<\/span>;
\nlet b = «5»<\/span>;
\nconsole.log<\/span>(<\/span>a !<\/span>== b)<\/span>; \/\/ true<\/span><\/p><\/blockquote>\n

4<\/span>. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u043d\u0435\u0441\u0442\u0440\u043e\u0433\u043e\u0433\u043e \u043d\u0435\u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u0430 (<\/span>!<\/span>=)<\/span><\/strong>
\n\u041f\u0440\u043e\u0442\u0438\u0432\u043e\u043f\u043e\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0443 \u043d\u0435\u0441\u0442\u0440\u043e\u0433\u043e\u0433\u043e \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u0430. \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 true<\/span>, \u0435\u0441\u043b\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043e\u0442\u043b\u0438\u0447\u0430\u044e\u0442\u0441\u044f \u043f\u043e\u0441\u043b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0433\u043e \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0438\u043f\u043e\u0432.<\/p>\n

\u00a0let<\/span> a = 5<\/span>;
\nlet b = «5»<\/span>;
\nconsole.log<\/span>(<\/span>a !<\/span>= b)<\/span>; \/\/ false<\/span><\/p><\/blockquote>\n

5<\/span>. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u0431\u043e\u043b\u044c\u0448\u0435 (<\/span>><\/span>)<\/span><\/strong>
\n\u041f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442, \u0431\u043e\u043b\u044c\u0448\u0435 \u043b\u0438 \u043b\u0435\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u0440\u0430\u0432\u043e\u0433\u043e.<\/p>\n

let<\/span> a = 10<\/span>;
\nlet b = 5<\/span>;
\nconsole.log<\/span>(<\/span>a ><\/span> b)<\/span>; \/\/ true<\/span><\/p><\/blockquote>\n

6<\/span>. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u043c\u0435\u043d\u044c\u0448\u0435 (<\/span><<\/span>)<\/span><\/strong>
\n\u041f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442, \u043c\u0435\u043d\u044c\u0448\u0435 \u043b\u0438 \u043b\u0435\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u0440\u0430\u0432\u043e\u0433\u043e.<\/p>\n

\u00a0let<\/span> a = 10<\/span>;
\nlet b = 5<\/span>;
\nconsole.log<\/span>(<\/span>a <<\/span> b)<\/span>; \/\/ false<\/span><\/p><\/blockquote>\n

7<\/span>. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u0431\u043e\u043b\u044c\u0448\u0435 \u0438\u043b\u0438 \u0440\u0430\u0432\u043d\u043e (<\/span>><\/span>=)<\/span><\/strong>
\n\u041f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442, \u0431\u043e\u043b\u044c\u0448\u0435 \u043b\u0438 \u043b\u0435\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u0440\u0430\u0432\u043e\u0433\u043e \u0438\u043b\u0438 \u0440\u0430\u0432\u043d\u043e \u0435\u043c\u0443.<\/p>\n

let<\/span> a = 10<\/span>;
\nlet b = 10<\/span>;
\nconsole.log<\/span>(<\/span>a ><\/span>= b)<\/span>; \/\/ true<\/span><\/p><\/blockquote>\n

8<\/span>. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u043c\u0435\u043d\u044c\u0448\u0435 \u0438\u043b\u0438 \u0440\u0430\u0432\u043d\u043e (<\/span><<\/span>=)<\/span><\/strong>
\n\u041f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442, \u043c\u0435\u043d\u044c\u0448\u0435 \u043b\u0438 \u043b\u0435\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u0440\u0430\u0432\u043e\u0433\u043e \u0438\u043b\u0438 \u0440\u0430\u0432\u043d\u043e \u0435\u043c\u0443.<\/p>\n

let<\/span> a = 10<\/span>;
\nlet b = 10<\/span>;
\nconsole.log<\/span>(<\/span>a <<\/span>= b)<\/span>; \/\/ true<\/span><\/p><\/blockquote>\n

\u041f\u0440\u0438\u043c\u0435\u0440\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u043e\u0432 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f<\/strong><\/p>\n

let num1 = 5<\/span>;
\nlet num2 = 10<\/span>;
\nlet str1 = «5»<\/span>;
\nlet str2 = «10»<\/span>;<\/p>\n

console.log<\/span>(<\/span>num1 === num2)<\/span>; \/\/ false<\/span>
\nconsole.log<\/span>(<\/span>num1 !<\/span>== num2)<\/span>; \/\/ true<\/span>
\nconsole.log<\/span>(<\/span>num1 == str1)<\/span>; \/\/ true<\/span>
\nconsole.log<\/span>(<\/span>num1 !<\/span>= str1)<\/span>; \/\/ false<\/span>
\nconsole.log<\/span>(<\/span>num1 ><\/span> num2)<\/span>; \/\/ false<\/span>
\nconsole.log<\/span>(<\/span>num1 <<\/span> num2)<\/span>; \/\/ true<\/span>
\nconsole.log<\/span>(<\/span>num1 ><\/span>= num2)<\/span>; \/\/ false<\/span>
\nconsole.log<\/span>(<\/span>num1 <<\/span>= num2)<\/span>; \/\/ true<\/span><\/p><\/blockquote>\n

\u042d\u0442\u0438 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u044b \u0448\u0438\u0440\u043e\u043a\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u0432 \u0443\u0441\u043b\u043e\u0432\u043d\u044b\u0445 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f\u0445, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a if<\/span>, switch<\/span>, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432 \u0446\u0438\u043a\u043b\u0430\u0445 for<\/span>, while<\/span> \u0438 do<\/span>…while<\/span>.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u0412 JavaScript \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u044b \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0439 \u043c\u0435\u0436\u0434\u0443 \u0434\u0432\u0443\u043c\u044f \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c\u0438. \u041e\u043d\u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u044e\u0442 \u0431\u0443\u043b\u0435\u0432\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 (true \u0438\u043b\u0438 false), \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u044e\u0449\u0435\u0435 \u043d\u0430 \u0438\u0441\u0442\u0438\u043d\u043d\u043e\u0441\u0442\u044c \u0438\u043b\u0438 \u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f. \u0412\u043e\u0442 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u044b \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f: 1. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u0441\u0442\u0440\u043e\u0433\u043e\u0433\u043e \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u0430 (===) \u041f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442 \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u0438 \u0442\u0438\u043f\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445. \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 true, \u0442\u043e\u043b\u044c\u043a\u043e \u0435\u0441\u043b\u0438 \u043e\u0431\u0430 \u043e\u043f\u0435\u0440\u0430\u043d\u0434\u0430 \u0438\u043c\u0435\u044e\u0442 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438 \u0442\u0438\u043f. let a = 5; […]<\/p>\n","protected":false},"author":1,"featured_media":133226,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[463],"tags":[],"class_list":["post-133245","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript"],"views":357,"_links":{"self":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/133245","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=133245"}],"version-history":[{"count":1,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/133245\/revisions"}],"predecessor-version":[{"id":133246,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/133245\/revisions\/133246"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/media\/133226"}],"wp:attachment":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=133245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=133245"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=133245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}