{"id":1874,"date":"2024-11-10T14:30:11","date_gmt":"2024-11-10T06:30:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1874\/"},"modified":"2024-11-10T14:30:11","modified_gmt":"2024-11-10T06:30:11","slug":"%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%e7%82%b9%e5%87%bb%e8%a1%a8%e6%a0%bc%e5%8d%95%e5%85%83%e6%a0%bc%e8%8e%b7%e5%8f%96%e5%86%85%e5%ae%b9%e6%97%b6-event-srcelement-%e5%b1%9e%e6%80%a7%e5%a4%b1%e6%95%88","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1874\/","title":{"rendered":"\u5982\u4f55\u89e3\u51b3\u70b9\u51fb\u8868\u683c\u5355\u5143\u683c\u83b7\u53d6\u5185\u5bb9\u65f6 event.srcElement \u5c5e\u6027\u5931\u6548\u7684\u95ee\u9898\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u89e3\u51b3\u70b9\u51fb\u8868\u683c\u5355\u5143\u683c\u83b7\u53d6\u5185\u5bb9\u65f6<\/p>\n

\u70b9\u51fb\u83b7\u53d6\u5f53\u524d\u5143\u7d20\u7684\u5185\u5bb9<\/strong><\/p>\n

\u5728\u4f7f\u7528\u8868\u683c\u8fdb\u884c\u8ba1\u7b97\u5668\u7684\u9875\u9762\u4e0a\uff0c\u9047\u5230\u65e0\u6cd5\u901a\u8fc7 event.srcelement.innertext \u83b7\u53d6\u88ab\u70b9\u51fb\u5143\u7d20\u5185\u5bb9\u7684\u95ee\u9898\u3002<\/p>\n

\u4ece\u4ee3\u7801\u6765\u770b\uff0c\u4e8b\u4ef6\u76d1\u542c\u51fd\u6570 calculater \u7ed1\u5b9a\u5728 calcuater \u8868\u683c\u4e0a\uff0c\u5f53\u8868\u683c\u4e2d\u7684\u67d0\u4e2a\u5355\u5143\u683c\uff08td \u5143\u7d20\uff09\u88ab\u70b9\u51fb\u65f6\uff0c\u4f1a\u89e6\u53d1\u8be5\u51fd\u6570\u3002<\/p>\n

\u7136\u800c\uff0cevent.srcelement \u662f ie \u4e13\u5c5e\u5c5e\u6027\uff0c\u5728\u73b0\u4ee3\u6d4f\u89c8\u5668\u4e2d\u4e0d\u518d\u652f\u6301<\/strong>\u3002\u56e0\u6b64\uff0c\u5728\u5176\u4ed6\u6d4f\u89c8\u5668\u4e2d\uff0c\u4e8b\u4ef6\u5bf9\u8c61\u7684 srcelement \u5c5e\u6027\u662f undefined\uff0c\u5bfc\u81f4\u65e0\u6cd5\u83b7\u53d6\u88ab\u70b9\u51fb\u5143\u7d20\u7684\u5185\u5bb9\u3002<\/p>\n

\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u6807\u51c6\u7684 dom \u4e8b\u4ef6\u5bf9\u8c61 event.target\uff0c\u5b83\u8868\u793a\u89e6\u53d1\u4e8b\u4ef6\u7684\u5143\u7d20\u3002\u56e0\u6b64\uff0c\u4fee\u6539\u4e8b\u4ef6\u76d1\u542c\u51fd\u6570\u5982\u4e0b\uff1a<\/p>\n

function calculater(event){\n  var $tgt = $(event.target);\n}<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u8fd9\u6837\u5c31\u53ef\u4ee5\u6b63\u786e\u83b7\u53d6\u88ab\u70b9\u51fb\u7684\u5355\u5143\u683c\u7684\u5185\u5bb9\u4e86\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u89e3\u51b3\u70b9\u51fb\u8868\u683c\u5355\u5143\u683c\u83b7\u53d6\u5185\u5bb9\u65f6 event.srcElement \u5c5e\u6027\u5931\u6548\u7684\u95ee\u9898\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u70b9\u51fb\u83b7\u53d6\u5f53\u524d\u5143\u7d20\u7684\u5185\u5bb9 \u5728\u4f7f\u7528\u8868\u683c\u8fdb\u884c\u8ba1\u7b97\u5668\u7684\u9875\u9762\u4e0a\uff0c\u9047\u5230\u65e0\u6cd5\u901a\u8fc7 event.srcelement.innertext \u83b7\u53d6\u88ab\u70b9\u51fb\u5143\u7d20\u5185\u5bb9\u7684\u95ee\u9898\u3002 \u4ece\u4ee3\u7801\u6765\u770b\uff0c\u4e8b\u4ef6\u76d1\u542c\u51fd\u6570 calculater \u7ed1\u5b9a\u5728 calcuater \u8868\u683c\u4e0a\uff0c\u5f53\u8868\u683c\u4e2d\u7684\u67d0\u4e2a\u5355\u5143\u683c\uff08td \u5143\u7d20\uff09\u88ab\u70b9\u51fb\u65f6\uff0c\u4f1a\u89e6\u53d1\u8be5\u51fd\u6570\u3002 \u7136\u800c\uff0cevent.srcelement \u662f ie \u4e13\u5c5e\u5c5e\u6027\uff0c\u5728\u73b0\u4ee3\u6d4f\u89c8\u5668\u4e2d\u4e0d\u518d\u652f\u6301\u3002\u56e0\u6b64\uff0c\u5728\u5176\u4ed6\u6d4f\u89c8\u5668\u4e2d\uff0c\u4e8b\u4ef6\u5bf9\u8c61\u7684 srcelement \u5c5e\u6027\u662f undefined\uff0c\u5bfc\u81f4\u65e0\u6cd5\u83b7\u53d6\u88ab\u70b9\u51fb\u5143\u7d20\u7684\u5185\u5bb9\u3002 \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u6807\u51c6\u7684 dom \u4e8b\u4ef6\u5bf9\u8c61 event.target\uff0c\u5b83\u8868\u793a\u89e6\u53d1\u4e8b\u4ef6\u7684\u5143\u7d20\u3002\u56e0\u6b64\uff0c\u4fee\u6539\u4e8b\u4ef6\u76d1\u542c\u51fd\u6570\u5982\u4e0b\uff1a function calculater(event){ var $tgt = $(event.target); } \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u6837\u5c31\u53ef\u4ee5\u6b63\u786e\u83b7\u53d6\u88ab\u70b9\u51fb\u7684\u5355\u5143\u683c\u7684\u5185\u5bb9\u4e86\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u89e3\u51b3\u70b9\u51fb\u8868\u683c\u5355\u5143\u683c\u83b7\u53d6\u5185\u5bb9\u65f6 event.srcElement \u5c5e\u6027\u5931\u6548\u7684\u95ee\u9898\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1874","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1874","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=1874"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1874\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}