{"id":3154,"date":"2024-11-10T10:03:15","date_gmt":"2024-11-10T02:03:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3154\/"},"modified":"2024-11-10T10:03:15","modified_gmt":"2024-11-10T02:03:15","slug":"js-%e5%a6%82%e4%bd%95%e7%bb%91%e5%ae%9a%e4%ba%8b%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3154\/","title":{"rendered":"js \u5982\u4f55\u7ed1\u5b9a\u4e8b\u4ef6"},"content":{"rendered":"<blockquote><p>\n  javascript \u4e2d\u7684\u4e8b\u4ef6\u7ed1\u5b9a\u5c06\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u4e0e html \u5143\u7d20\u5173\u8054\uff0c\u4ee5\u4fbf\u5728\u7279\u5b9a\u4e8b\u4ef6\u53d1\u751f\u65f6\u6267\u884c\u52a8\u4f5c\u3002\u7ed1\u5b9a\u65b9\u6cd5\u6709\uff1aaddeventlistener()\uff1a\u73b0\u4ee3\u6d4f\u89c8\u5668\u63a8\u8350\uff0c\u63a5\u53d7\u4e8b\u4ef6\u7c7b\u578b\u3001\u5904\u7406\u51fd\u6570\u548c\u9636\u6bb5\u53c2\u6570\u3002attachevent()\uff1ainternet explorer \u4e2d\u7684\u65e7\u65b9\u6cd5\uff0c\u63a5\u53d7\u5e26 &#8220;on&#8221; \u524d\u7f00\u7684\u4e8b\u4ef6\u7c7b\u578b\u548c\u5904\u7406\u51fd\u6570\u53c2\u6570\u3002\u5185\u8054\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff1a\u76f4\u63a5\u5728 html \u5143\u7d20\u5c5e\u6027\u4e2d\u6307\u5b9a\u5904\u7406\u51fd\u6570\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/08\/2024110805305826764.jpg\" class=\"aligncenter\" title=\"js \u5982\u4f55\u7ed1\u5b9a\u4e8b\u4ef6\u63d2\u56fe\" alt=\"js \u5982\u4f55\u7ed1\u5b9a\u4e8b\u4ef6\u63d2\u56fe\" \/><\/p>\n<p><strong>JavaScript \u4e8b\u4ef6\u7ed1\u5b9a<\/strong><\/p>\n<p>\u5728 JavaScript \u4e2d\uff0c\u4e8b\u4ef6\u7ed1\u5b9a\u662f\u5c06\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u4e0e HTML \u5143\u7d20\u5173\u8054\u7684\u8fc7\u7a0b\uff0c\u4ee5\u4fbf\u5728\u7279\u5b9a\u4e8b\u4ef6\uff08\u4f8b\u5982\u70b9\u51fb\u3001\u60ac\u505c\u6216\u6309\u952e\uff09\u53d1\u751f\u65f6\u6267\u884c\u7279\u5b9a\u7684\u52a8\u4f5c\u3002<\/p>\n<p><strong>\u4e8b\u4ef6\u7ed1\u5b9a\u65b9\u6cd5<\/strong><\/p>\n<p>\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728 JavaScript \u4e2d\u7ed1\u5b9a\u4e8b\u4ef6\uff1a<\/p>\n<ul>\n<li>\n<p><strong>addEventListener() \u65b9\u6cd5\uff1a<\/strong>\u8fd9\u662f\u73b0\u4ee3\u6d4f\u89c8\u5668\u63a8\u8350\u7684\u4e8b\u4ef6\u7ed1\u5b9a\u65b9\u6cd5\u3002\u5b83\u63a5\u53d7\u4e09\u4e2a\u53c2\u6570\uff1a<\/p>\n<ul>\n<li>\u4e8b\u4ef6\u7c7b\u578b\uff0c\u5982 &#8220;click&#8221; \u6216 &#8220;mouseover&#8221;<\/li>\n<li>\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u51fd\u6570<\/li>\n<li>\u6307\u5b9a\u4e8b\u4ef6\u662f\u5426\u5728\u6355\u83b7\u9636\u6bb5\u8fd8\u662f\u5192\u6ce1\u9636\u6bb5\u89e6\u53d1\uff08\u53ef\u9009\uff09<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>document.querySelector(\"button\").addEventListener(\"click\", myFunction);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236  <\/li>\n<li>\n<p><strong>attachEvent() \u65b9\u6cd5\uff1a<\/strong>\u8fd9\u662f Internet Explorer \u4e2d\u4f7f\u7528\u7684\u8f83\u65e7\u7684\u4e8b\u4ef6\u7ed1\u5b9a\u65b9\u6cd5\u3002\u5b83\u63a5\u6536\u4e24\u4e2a\u53c2\u6570\uff1a<\/p>\n<ul>\n<li>\u4e8b\u4ef6\u7c7b\u578b\uff0c\u5e26\u6709 &#8220;on&#8221; \u524d\u7f00\uff0c\u5982 &#8220;onclick&#8221; \u6216 &#8220;onmouseover&#8221;<\/li>\n<li>\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u51fd\u6570<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>document.querySelector(\"button\").attachEvent(\"onclick\", myFunction);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236  <\/li>\n<li>\n<p><strong>\u5185\u8054\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff1a<\/strong>\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f5c\u4e3a HTML \u5143\u7d20\u5c5e\u6027\u6307\u5b9a\u3002<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>&lt;button onclick=\"myFunction()\"&gt;Click me&lt;\/button&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236  <\/li>\n<\/ul>\n<p><strong>\u9009\u62e9\u4e8b\u4ef6\u76ee\u6807<\/strong><\/p>\n<p>\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u53ef\u4ee5\u7ed1\u5b9a\u5230\u5404\u79cd HTML \u5143\u7d20\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>DOM \u5143\u7d20\uff08\u5982\u6309\u94ae\u3001\u94fe\u63a5\uff09<\/li>\n<li>\u6587\u6863\u5bf9\u8c61\uff08\u5982 window\u3001document\uff09<\/li>\n<li>HTML \u96c6\u5408\uff08\u5982 document.querySelectorAll(&#8220;button&#8221;))<\/li>\n<\/ul>\n<p><strong>\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u51fd\u6570<\/strong><\/p>\n<p>\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u51fd\u6570\u662f\u5f53\u4e8b\u4ef6\u53d1\u751f\u65f6\u6267\u884c\u7684\u51fd\u6570\u3002\u5b83\u901a\u5e38\u63a5\u6536\u4e00\u4e2a\u4e8b\u4ef6\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\uff0c\u8be5\u5bf9\u8c61\u5305\u542b\u6709\u5173\u4e8b\u4ef6\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<p><strong>\u4e8b\u4ef6\u6d41<\/strong><\/p>\n<p>\u5f53\u4e8b\u4ef6\u53d1\u751f\u65f6\uff0c\u5b83\u4f1a\u7a7f\u8fc7\u4e00\u4e2a\u79f0\u4e3a\u4e8b\u4ef6\u6d41\u7684\u5c42\u7ea7\u7ed3\u6784\uff0c\u5176\u4e2d\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u4f9d\u6b21\u88ab\u89e6\u53d1\u3002\u6709\u4e24\u79cd\u4e8b\u4ef6\u6d41\u9636\u6bb5\uff1a<\/p>\n<ul>\n<li> <strong>\u6355\u83b7\u9636\u6bb5\uff1a<\/strong>\u4e8b\u4ef6\u4ece\u6587\u6863\u6839\u5143\u7d20\u6d41\u5411\u76ee\u6807\u5143\u7d20\u3002<\/li>\n<li> <strong>\u5192\u6ce1\u9636\u6bb5\uff1a<\/strong>\u4e8b\u4ef6\u4ece\u76ee\u6807\u5143\u7d20\u6d41\u56de\u6587\u6863\u6839\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u5c06\u7b2c\u4e09\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9 addEventListener() \u65b9\u6cd5\uff0c\u53ef\u4ee5\u6307\u5b9a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u662f\u5728\u6355\u83b7\u8fd8\u662f\u5192\u6ce1\u9636\u6bb5\u89e6\u53d1\u3002<\/p>\n<p><strong>\u79fb\u9664\u4e8b\u4ef6\u76d1\u542c\u5668<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528 removeEventListener() \u65b9\u6cd5\u6765\u79fb\u9664\u4e8b\u4ef6\u76d1\u542c\u5668\u3002\u5b83\u63a5\u6536\u4e0e\u5148\u524d\u4f7f\u7528\u7684 addEventListener() \u65b9\u6cd5\u76f8\u540c\u7684\u53c2\u6570\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjs \u5982\u4f55\u7ed1\u5b9a\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 \u4e2d\u7684\u4e8b\u4ef6\u7ed1\u5b9a\u5c06\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u4e0e html \u5143\u7d20\u5173\u8054\uff0c\u4ee5\u4fbf\u5728\u7279\u5b9a\u4e8b\u4ef6\u53d1\u751f\u65f6\u6267\u884c\u52a8\u4f5c\u3002\u7ed1\u5b9a\u65b9\u6cd5\u6709\uff1aaddeventlistener()\uff1a\u73b0\u4ee3\u6d4f\u89c8\u5668\u63a8\u8350\uff0c\u63a5\u53d7\u4e8b\u4ef6\u7c7b\u578b\u3001\u5904\u7406\u51fd\u6570\u548c\u9636\u6bb5\u53c2\u6570\u3002attachevent()\uff1ainternet explorer \u4e2d\u7684\u65e7\u65b9\u6cd5\uff0c\u63a5\u53d7\u5e26 &#8220;on&#8221; 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