{"id":2006,"date":"2021-05-24T19:31:44","date_gmt":"2021-05-24T19:31:44","guid":{"rendered":"https:\/\/lvboard.infostore.in.ua\/?p=2006"},"modified":"2021-05-24T19:31:44","modified_gmt":"2021-05-24T19:31:44","slug":"%d0%ba%d0%be%d0%bd%d1%81%d1%82%d1%80%d1%83%d0%ba%d1%86%d0%b8%d1%8f-switch","status":"publish","type":"post","link":"https:\/\/lvboard.infostore.in.ua\/?p=2006","title":{"rendered":"\u041a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f “switch”"},"content":{"rendered":"\n

\u041a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f switch \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0441\u0440\u0430\u0437\u0443 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e if.
\u041e\u043d\u0430 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0431\u043e\u043b\u0435\u0435 \u043d\u0430\u0433\u043b\u044f\u0434\u043d\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0441\u0440\u0430\u0432\u043d\u0438\u0442\u044c \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435 \u0441\u0440\u0430\u0437\u0443 \u0441 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c\u0438 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430\u043c\u0438<\/p>\n\n\n\n\n\n\n\n

\u041a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f switch \u0438\u043c\u0435\u0435\u0442 \u043e\u0434\u0438\u043d \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u0431\u043b\u043e\u043a case \u0438 \u043d\u0435\u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0431\u043b\u043e\u043a default.
\u0412\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u043e\u043d\u0430 \u0442\u0430\u043a:
switch(x) {
case ‘value1’: \/\/ if (x === ‘value1’)
…
[break]<\/p>\n\n\n\n

case ‘value2’: \/\/ if (x === ‘value2’)
…
[break]<\/p>\n\n\n\n

default:
…
[break]
}
1. \u041f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f x \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442\u0441\u044f \u043d\u0430 \u0441\u0442\u0440\u043e\u0433\u043e\u0435 \u0440\u0430\u0432\u0435\u043d\u0441\u0442\u0432\u043e \u043f\u0435\u0440\u0432\u043e\u043c\u0443 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044e value1, \u0437\u0430\u0442\u0435\u043c \u0432\u0442\u043e\u0440\u043e\u043c\u0443 value2 \u0438 \u0442\u0430\u043a \u0434\u0430\u043b\u0435\u0435.
2. \u0415\u0441\u043b\u0438 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043e \u2013 switch \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c\u0441\u044f \u043e\u0442 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0439 \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u044b case \u0438 \u0434\u0430\u043b\u0435\u0435, \u0434\u043e \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0435\u0433\u043e break (\u0438\u043b\u0438 \u0434\u043e \u043a\u043e\u043d\u0446\u0430 switch).
3. \u0415\u0441\u043b\u0438 \u043d\u0438 \u043e\u0434\u0438\u043d case \u043d\u0435 \u0441\u043e\u0432\u043f\u0430\u043b \u2013 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f (\u0435\u0441\u043b\u0438 \u0435\u0441\u0442\u044c) \u0432\u0430\u0440\u0438\u0430\u043d\u0442 default.<\/p>\n\n\n\n

\u041f\u0440\u0438\u043c\u0435\u0440 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f switch
let a = 2 + 2;<\/p>\n\n\n\n

switch (a) {
case 3:
alert( ‘\u041c\u0430\u043b\u043e\u0432\u0430\u0442\u043e’ );
break;
case 4:
alert( ‘\u0412 \u0442\u043e\u0447\u043a\u0443!’ ); \/\/ \u0421\u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442
break;
case 5:
alert( ‘\u041f\u0435\u0440\u0435\u0431\u043e\u0440’ );
break;
}<\/p>\n","protected":false},"excerpt":{"rendered":"

\u041a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f switch \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0441\u0440\u0430\u0437\u0443 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e if.\u041e\u043d\u0430 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0431\u043e\u043b\u0435\u0435 \u043d\u0430\u0433\u043b\u044f\u0434\u043d\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0441\u0440\u0430\u0432\u043d\u0438\u0442\u044c \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435 \u0441\u0440\u0430\u0437\u0443 \u0441 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c\u0438 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430\u043c\u0438<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"_links":{"self":[{"href":"https:\/\/lvboard.infostore.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/2006"}],"collection":[{"href":"https:\/\/lvboard.infostore.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lvboard.infostore.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lvboard.infostore.in.ua\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lvboard.infostore.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2006"}],"version-history":[{"count":1,"href":"https:\/\/lvboard.infostore.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/2006\/revisions"}],"predecessor-version":[{"id":2007,"href":"https:\/\/lvboard.infostore.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/2006\/revisions\/2007"}],"wp:attachment":[{"href":"https:\/\/lvboard.infostore.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2006"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lvboard.infostore.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2006"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lvboard.infostore.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}