{"id":2742,"date":"2015-12-18T15:30:07","date_gmt":"2015-12-18T07:30:07","guid":{"rendered":"http:\/\/blog.hoyo.idv.tw\/?p=2742"},"modified":"2017-05-08T13:32:54","modified_gmt":"2017-05-08T05:32:54","slug":"jquery-%e7%9a%84-selectors-%e8%bc%83%e4%bd%b3%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/blog.hoyo.idv.tw\/?p=2742","title":{"rendered":"jQuery \u7684 Selectors \u8f03\u4f73\u7528\u6cd5"},"content":{"rendered":"<p>PhpStorm<\/p>\n<p>\u539fJavaScript \u8a9e\u6cd5<\/p>\n<pre class=\"lang:js decode:true\">$(\"#FormAdd input\").val();<\/pre>\n<p>\u8b66\u544a\u8a0a\u606f\uff1a<\/p>\n<pre class=\"lang:default decode:true\">Checks that jQuery selectors are used in an efficient way. It suggests to split descendant selectors which are prefaced with ID selector and warns about duplicated selectors which could be cached.<\/pre>\n<p><a href=\"http:\/\/stackoverflow.com\/questions\/12674591\/inefficient-jquery-usage-warnings-in-phpstorm-ide\">Inefficient jQuery usage warnings in PHPStorm IDE<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\u4fee\u6b63\u5f8c\u8a9e\u6cd5<\/p>\n<pre class=\"lang:js decode:true\">$(\"#FormAdd\").find(\"input\").val();<\/pre>\n<p>&nbsp;<\/p>\n<p>--<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p class=\"pvc_stats all \" data-element-id=\"2742\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> &nbsp;2,234&nbsp;total views<\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>PhpStorm \u539fJavaS...<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p class=\"pvc_stats all \" data-element-id=\"2742\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> &nbsp;2,234&nbsp;total views<\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[262],"tags":[190,224],"_links":{"self":[{"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/2742"}],"collection":[{"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2742"}],"version-history":[{"count":2,"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/2742\/revisions"}],"predecessor-version":[{"id":4072,"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/2742\/revisions\/4072"}],"wp:attachment":[{"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}