{"id":1592,"date":"2024-11-10T09:07:25","date_gmt":"2024-11-10T01:07:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1592\/"},"modified":"2024-11-10T09:07:25","modified_gmt":"2024-11-10T01:07:25","slug":"onload%e4%ba%8b%e4%bb%b6%e8%a7%a3%e6%9e%90%ef%bc%9a%e4%bd%95%e6%97%b6%e8%a7%a6%e5%8f%91%ef%bc%9f%e5%88%b7%e6%96%b0%e9%a1%b5%e9%9d%a2%e4%bc%9a%e6%89%a7%e8%a1%8c%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1592\/","title":{"rendered":"onload\u4e8b\u4ef6\u89e3\u6790\uff1a\u4f55\u65f6\u89e6\u53d1\uff1f\u5237\u65b0\u9875\u9762\u4f1a\u6267\u884c\u5417\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173050903595091.jpg\" class=\"aligncenter\" title=\"onload\u4e8b\u4ef6\u89e3\u6790\uff1a\u4f55\u65f6\u89e6\u53d1\uff1f\u5237\u65b0\u9875\u9762\u4f1a\u6267\u884c\u5417\uff1f\u63d2\u56fe\" alt=\"onload\u4e8b\u4ef6\u89e3\u6790\uff1a\u4f55\u65f6\u89e6\u53d1\uff1f\u5237\u65b0\u9875\u9762\u4f1a\u6267\u884c\u5417\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u6d4f\u89c8\u5668\u7684onload\u4e8b\u4ef6\u89e3\u6790<\/strong><\/p>\n<p>onload\u4e8b\u4ef6\u5728\u4ec0\u4e48\u60c5\u51b5\u4e0b\u89e6\u53d1\uff1f\u5237\u65b0\u9875\u9762\u65f6\u4e5f\u4f1a\u6267\u884c\u5417\uff1f<\/p>\n<p><strong>\u7b54\u6848\uff1a<\/strong><\/p>\n<p>onload\u4e8b\u4ef6\u53ea\u4f1a\u5728\u9875\u9762DOM\u5143\u7d20\u53ca\u6240\u6709\u4f9d\u8d56\u8d44\u6e90\uff08\u4f8b\u5982\u6837\u5f0f\u8868\u548c\u56fe\u7247\uff09\u90fd\u5b8c\u5168\u52a0\u8f7d\u5b8c\u6210\u540e\u89e6\u53d1\uff0c\u5305\u62ec\u5237\u65b0\u9875\u9762\u3002<\/p>\n<p><strong>div\u5143\u7d20\u7684onload\u4e8b\u4ef6<\/strong><\/p>\n<p>\u6d4f\u89c8\u5668\u7684div\u5143\u7d20\u6ca1\u6709onload\u4e8b\u4ef6\u3002onload\u4e8b\u4ef6\u53ea\u80fd\u5728\u6574\u4e2a\u9875\u9762\u52a0\u8f7d\u5b8c\u6210\u540e\u89e6\u53d1\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>&lt;body onload=\"init()\"&gt;\n    &lt;div onload=\"init()\"&gt;\n    &lt;\/div&gt;\n&lt;\/body&gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cdiv\u5143\u7d20\u7684onload\u4e8b\u4ef6\u4e0d\u4f1a\u88ab\u89e6\u53d1\uff0c\u56e0\u4e3adiv\u5143\u7d20\u6ca1\u6709onload\u4e8b\u4ef6\u3002\u53ea\u6709body\u5143\u7d20\u7684onload\u4e8b\u4ef6\u624d\u80fd\u6267\u884c\u3002<\/p>\n<p><strong>\u76d1\u542cDOM\u5143\u7d20\u52a0\u8f7d<\/strong><\/p>\n<p>\u5982\u679c\u60a8\u60f3\u8981\u76d1\u542c\u6240\u6709DOM\u5143\u7d20\u52a0\u8f7d\u5b8c\u6210\uff0c\u53ef\u4ee5\u4f7f\u7528DOMContentLoaded\u4e8b\u4ef6\u3002<\/p>\n<p>\u5982\u679c\u60a8\u60f3\u8981\u76d1\u542c\u7279\u5b9aDOM\u5143\u7d20\u7684\u6e32\u67d3\u5b8c\u6210\uff0c\u53ef\u4ee5\u4f7f\u7528MutationObserver API\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fonload\u4e8b\u4ef6\u89e3\u6790\uff1a\u4f55\u65f6\u89e6\u53d1\uff1f\u5237\u65b0\u9875\u9762\u4f1a\u6267\u884c\u5417\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":"<p>\u6d4f\u89c8\u5668\u7684onload\u4e8b\u4ef6\u89e3\u6790 onload\u4e8b\u4ef6\u5728\u4ec0\u4e48\u60c5\u51b5\u4e0b\u89e6\u53d1\uff1f\u5237\u65b0\u9875\u9762\u65f6\u4e5f\u4f1a\u6267\u884c\u5417\uff1f \u7b54\u6848\uff1a onload\u4e8b\u4ef6\u53ea\u4f1a\u5728\u9875\u9762DOM\u5143\u7d20\u53ca\u6240\u6709\u4f9d\u8d56\u8d44\u6e90\uff08\u4f8b\u5982\u6837\u5f0f\u8868\u548c\u56fe\u7247\uff09\u90fd\u5b8c\u5168\u52a0\u8f7d\u5b8c\u6210\u540e\u89e6\u53d1\uff0c\u5305\u62ec\u5237\u65b0\u9875\u9762\u3002 div\u5143\u7d20\u7684onload\u4e8b\u4ef6 \u6d4f\u89c8\u5668\u7684div\u5143\u7d20\u6ca1\u6709onload\u4e8b\u4ef6\u3002onload\u4e8b\u4ef6\u53ea\u80fd\u5728\u6574\u4e2a\u9875\u9762\u52a0\u8f7d\u5b8c\u6210\u540e\u89e6\u53d1\u3002 \u793a\u4f8b\uff1a &lt;body onload=&#8221;init()&#8221;&gt; 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