{"id":12137,"date":"2023-11-28T22:44:27","date_gmt":"2023-11-28T14:44:27","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=12137"},"modified":"2023-11-29T23:36:38","modified_gmt":"2023-11-29T15:36:38","slug":"javascript-zhong-shen-me-shi-event-target","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/javascript-zhong-shen-me-shi-event-target\/","title":{"rendered":"JavaScript \u4e2d\u4ec0\u4e48\u662f event.target\uff1f"},"content":{"rendered":"<p>\u5728 JavaScript \u4e2d\uff0c<code>event.target<\/code> \u662f\u4e00\u4e2a\u4e8b\u4ef6\u5bf9\u8c61\u5c5e\u6027\uff0c\u8868\u793a\u89e6\u53d1\u4e8b\u4ef6\u7684\u76ee\u6807\u5143\u7d20\u3002<\/p>\n<p>\u5f53\u4e8b\u4ef6\u53d1\u751f\u65f6\uff0c<code>event.target<\/code> \u8fd4\u56de\u89e6\u53d1\u4e8b\u4ef6\u7684 DOM \u5143\u7d20\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u786e\u5b9a\u4e8b\u4ef6\u6700\u521d\u53d1\u751f\u7684\u5143\u7d20\uff0c\u5373\u89e6\u53d1\u4e8b\u4ef6\u7684\u5177\u4f53\u76ee\u6807\u3002<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5982\u679c\u4f60\u70b9\u51fb\u4e86\u4e00\u4e2a\u6309\u94ae\uff0c\u70b9\u51fb\u4e8b\u4ef6\u7684 <code>event.target<\/code> \u5c06\u8fd4\u56de\u88ab\u70b9\u51fb\u7684\u6309\u94ae\u5143\u7d20\u3002\u5bf9\u4e8e\u5176\u4ed6\u4e8b\u4ef6\uff08\u5982\u9f20\u6807\u79fb\u52a8\u3001\u952e\u76d8\u8f93\u5165\u7b49\uff09\uff0c<code>event.target<\/code> \u4e5f\u8868\u793a\u89e6\u53d1\u4e8b\u4ef6\u7684\u5143\u7d20\u3002<\/p>\n<pre><code class=\"language-javascript\">document.getElementById('myButton').addEventListener('click', function(event) {\n    console.log(event.target); \/\/ \u8f93\u51fa\u89e6\u53d1\u70b9\u51fb\u4e8b\u4ef6\u7684\u6309\u94ae\u5143\u7d20\n});\n<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c<code>event.target<\/code> \u53ef\u80fd\u4f1a\u968f\u7740\u4e8b\u4ef6\u5192\u6ce1\u800c\u6539\u53d8\u3002\u82e5\u9700\u8981\u83b7\u53d6\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u7ed1\u5b9a\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528 <code>event.currentTarget<\/code> \u6216\u5176\u4ed6\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 JavaScript \u4e2d\uff0cevent.target \u662f\u4e00\u4e2a\u4e8b\u4ef6\u5bf9\u8c61\u5c5e\u6027\uff0c\u8868\u793a\u89e6\u53d1\u4e8b\u4ef6\u7684\u76ee\u6807\u5143\u7d20\u3002 \u5f53\u4e8b\u4ef6\u53d1 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[115],"tags":[],"class_list":["post-12137","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=12137"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12137\/revisions"}],"predecessor-version":[{"id":13599,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12137\/revisions\/13599"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=12137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=12137"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=12137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}