{"id":3211,"date":"2024-11-10T08:17:07","date_gmt":"2024-11-10T00:17:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3211\/"},"modified":"2024-11-10T08:17:07","modified_gmt":"2024-11-10T00:17:07","slug":"js%e5%a6%82%e4%bd%95%e7%9b%91%e5%90%ac%e4%ba%8b%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3211\/","title":{"rendered":"js\u5982\u4f55\u76d1\u542c\u4e8b\u4ef6"},"content":{"rendered":"<blockquote><p>\n  javascript \u4e8b\u4ef6\u76d1\u542c\u662f\u4e00\u79cd\u4fa6\u542c\u548c\u54cd\u5e94\u4e8b\u4ef6\u7684\u673a\u5236\u3002\u8981\u76d1\u542c\u4e8b\u4ef6\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a1. \u786e\u5b9a\u4e8b\u4ef6\u7c7b\u578b\uff08\u5982\u5355\u51fb\u3001\u60ac\u505c\u7b49\uff09\uff1b2. \u9009\u62e9\u4e8b\u4ef6\u76ee\u6807\uff08\u5143\u7d20\u6216\u6587\u6863\u5bf9\u8c61\uff09\uff1b3. \u7f16\u5199\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u51fd\u6570\uff1b4. \u4f7f\u7528 addeventlistener() \u65b9\u6cd5\u5c06\u5904\u7406\u7a0b\u5e8f\u9644\u52a0\u5230\u76ee\u6807\u5143\u7d20\u3002\u6ce8\u610f\uff1a\u786e\u4fdd\u5c06\u5904\u7406\u7a0b\u5e8f\u9644\u52a0\u5230\u6b63\u786e\u4f4d\u7f6e\uff0c\u4f7f\u7528\u9002\u5f53\u7684\u4e8b\u4ef6\u7c7b\u578b\uff0c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u53ef\u4ee5\u662f\u533f\u540d\u6216\u547d\u540d\u51fd\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528 removeeventlistener() \u65b9\u6cd5\u79fb\u9664\u76d1\u542c\u5668\uff0c\u53ef\u4ee5\u5d4c\u5957\u4e8b\u4ef6\u76d1\u542c\u5668\u4ee5\u54cd\u5e94\u76f8\u540c\u5143\u7d20\u7684\u4e0d\u540c\u4e8b\u4ef6\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/08\/2024110807151758261.jpg\" class=\"aligncenter\" title=\"js\u5982\u4f55\u76d1\u542c\u4e8b\u4ef6\u63d2\u56fe\" alt=\"js\u5982\u4f55\u76d1\u542c\u4e8b\u4ef6\u63d2\u56fe\" \/><\/p>\n<p><strong>JavaScript \u4e8b\u4ef6\u76d1\u542c<\/strong><\/p>\n<p>\u5728 JavaScript \u4e2d\uff0c\u4e8b\u4ef6\u76d1\u542c\u662f\u4fa6\u542c\u5e76\u54cd\u5e94\u7279\u5b9a\u4e8b\u4ef6\u7684\u5173\u952e\u673a\u5236\uff0c\u8fd9\u4e9b\u4e8b\u4ef6\u53ef\u4ee5\u662f\u7528\u6237\u4ea4\u4e92\u6216\u7cfb\u7edf\u6d3b\u52a8\u5f15\u53d1\u7684\u3002\u8981\u76d1\u542c\u4e8b\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u786e\u5b9a\u4e8b\u4ef6\u7c7b\u578b\uff1a<\/strong><\/p>\n<ul>\n<li>\u786e\u5b9a\u8981\u76d1\u542c\u7684\u7279\u5b9a\u4e8b\u4ef6\u7c7b\u578b\uff0c\u4f8b\u5982\u5355\u51fb\u3001\u60ac\u505c\u6216\u9875\u9762\u52a0\u8f7d\u3002<\/li>\n<\/ul>\n<p><strong>2. \u9009\u62e9\u4e8b\u4ef6\u76ee\u6807\uff1a<\/strong><\/p>\n<ul>\n<li>\u786e\u5b9a\u8981\u4fa6\u542c\u4e8b\u4ef6\u7684 HTML \u5143\u7d20\u6216\u6587\u6863\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p><strong>3. \u7f16\u5199\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff1a<\/strong><\/p>\n<ul>\n<li>\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u7528\u4e8e\u5728\u4e8b\u4ef6\u89e6\u53d1\u65f6\u6267\u884c\u3002<\/li>\n<\/ul>\n<p><strong>4. \u4f7f\u7528 addEventListener() \u65b9\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528 addEventListener() \u65b9\u6cd5\u5c06\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u9644\u52a0\u5230\u76ee\u6807\u5143\u7d20\u6216\u6587\u6863\u5bf9\u8c61\u3002\u8bed\u6cd5\u4e3a\uff1a<\/li>\n<\/ul>\n<pre>target.addEventListener(eventType, eventHandlerFunction);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u4fa6\u542c HTML \u6309\u94ae\u7684\u5355\u51fb\u4e8b\u4ef6\uff1a<\/p>\n<pre>const button = document.getElementById(\"my-button\");\n\nconst clickHandler = () =&gt; {\n  console.log(\"Button clicked!\");\n};\n\nbutton.addEventListener(\"click\", clickHandler);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u5176\u4ed6\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u786e\u4fdd\u5c06\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u9644\u52a0\u5230\u6b63\u786e\u7684\u4f4d\u7f6e\uff0c\u5373\u4e8b\u4ef6\u5e94\u8be5\u53d1\u751f\u7684\u5bf9\u8c61\u3002<\/li>\n<li>\u4f7f\u7528\u9002\u5f53\u7684\u4e8b\u4ef6\u7c7b\u578b\uff0c\u786e\u4fdd\u4fa6\u542c\u7684\u662f\u6240\u9700\u4e8b\u4ef6\u3002<\/li>\n<li>\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u53ef\u4ee5\u662f\u4e00\u4e2a\u533f\u540d\u51fd\u6570\u6216\u4e00\u4e2a\u547d\u540d\u7684\u51fd\u6570\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u9700\u8981\u3002<\/li>\n<li>\u8fd8\u53ef\u4ee5\u4f7f\u7528 removeEventListener() \u65b9\u6cd5\u6765\u79fb\u9664\u4e8b\u4ef6\u76d1\u542c\u5668\u3002<\/li>\n<li>\u4e8b\u4ef6\u76d1\u542c\u5668\u53ef\u4ee5\u5d4c\u5957\uff0c\u4ece\u800c\u5141\u8bb8\u5bf9\u540c\u4e00\u5143\u7d20\u7684\u4e0d\u540c\u4e8b\u4ef6\u505a\u51fa\u54cd\u5e94\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjs\u5982\u4f55\u76d1\u542c\u4e8b\u4ef6\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":"<p>javascript \u4e8b\u4ef6\u76d1\u542c\u662f\u4e00\u79cd\u4fa6\u542c\u548c\u54cd\u5e94\u4e8b\u4ef6\u7684\u673a\u5236\u3002\u8981\u76d1\u542c\u4e8b\u4ef6\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a1. \u786e\u5b9a\u4e8b\u4ef6\u7c7b\u578b\uff08\u5982\u5355\u51fb\u3001\u60ac\u505c\u7b49\uff09\uff1b2. \u9009\u62e9\u4e8b\u4ef6\u76ee\u6807\uff08\u5143\u7d20\u6216\u6587\u6863\u5bf9\u8c61\uff09\uff1b3. \u7f16\u5199\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u51fd\u6570\uff1b4. \u4f7f\u7528 addeventlistener() \u65b9\u6cd5\u5c06\u5904\u7406\u7a0b\u5e8f\u9644\u52a0\u5230\u76ee\u6807\u5143\u7d20\u3002\u6ce8\u610f\uff1a\u786e\u4fdd\u5c06\u5904\u7406\u7a0b\u5e8f\u9644\u52a0\u5230\u6b63\u786e\u4f4d\u7f6e\uff0c\u4f7f\u7528\u9002\u5f53\u7684\u4e8b\u4ef6\u7c7b\u578b\uff0c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u53ef\u4ee5\u662f\u533f\u540d\u6216\u547d\u540d\u51fd\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528 removeeventlistener() \u65b9\u6cd5\u79fb\u9664\u76d1\u542c\u5668\uff0c\u53ef\u4ee5\u5d4c\u5957\u4e8b\u4ef6\u76d1\u542c\u5668\u4ee5\u54cd\u5e94\u76f8\u540c\u5143\u7d20\u7684\u4e0d\u540c\u4e8b\u4ef6\u3002 JavaScript \u4e8b\u4ef6\u76d1\u542c \u5728 JavaScript \u4e2d\uff0c\u4e8b\u4ef6\u76d1\u542c\u662f\u4fa6\u542c\u5e76\u54cd\u5e94\u7279\u5b9a\u4e8b\u4ef6\u7684\u5173\u952e\u673a\u5236\uff0c\u8fd9\u4e9b\u4e8b\u4ef6\u53ef\u4ee5\u662f\u7528\u6237\u4ea4\u4e92\u6216\u7cfb\u7edf\u6d3b\u52a8\u5f15\u53d1\u7684\u3002\u8981\u76d1\u542c\u4e8b\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u786e\u5b9a\u4e8b\u4ef6\u7c7b\u578b\uff1a \u786e\u5b9a\u8981\u76d1\u542c\u7684\u7279\u5b9a\u4e8b\u4ef6\u7c7b\u578b\uff0c\u4f8b\u5982\u5355\u51fb\u3001\u60ac\u505c\u6216\u9875\u9762\u52a0\u8f7d\u3002 2. \u9009\u62e9\u4e8b\u4ef6\u76ee\u6807\uff1a \u786e\u5b9a\u8981\u4fa6\u542c\u4e8b\u4ef6\u7684 HTML \u5143\u7d20\u6216\u6587\u6863\u5bf9\u8c61\u3002 3. \u7f16\u5199\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff1a \u7f16\u5199\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u7528\u4e8e\u5728\u4e8b\u4ef6\u89e6\u53d1\u65f6\u6267\u884c\u3002 4. \u4f7f\u7528 addEventListener() \u65b9\u6cd5\uff1a \u4f7f\u7528 addEventListener() \u65b9\u6cd5\u5c06\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u9644\u52a0\u5230\u76ee\u6807\u5143\u7d20\u6216\u6587\u6863\u5bf9\u8c61\u3002\u8bed\u6cd5\u4e3a\uff1a target.addEventListener(eventType, eventHandlerFunction); \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \u4fa6\u542c HTML \u6309\u94ae\u7684\u5355\u51fb\u4e8b\u4ef6\uff1a const button = document.getElementById(&#8220;my-button&#8221;); const clickHandler = () =&gt; { console.log(&#8220;Button clicked!&#8221;); }; button.addEventListener(&#8220;click&#8221;, clickHandler); [&hellip;]<\/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-3211","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3211","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=3211"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3211\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}