{"id":1536,"date":"2024-11-10T13:05:06","date_gmt":"2024-11-10T05:05:06","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1536\/"},"modified":"2024-11-10T13:05:06","modified_gmt":"2024-11-10T05:05:06","slug":"%e5%a6%82%e4%bd%95%e4%b8%ba-dom-%e5%85%83%e7%b4%a0%e8%ae%be%e7%bd%ae%e5%b1%9e%e6%80%a7%e8%80%8c%e4%b8%8d%e8%b5%8b%e5%80%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1536\/","title":{"rendered":"\u5982\u4f55\u4e3a DOM \u5143\u7d20\u8bbe\u7f6e\u5c5e\u6027\u800c\u4e0d\u8d4b\u503c\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173045916468926.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4e3a DOM \u5143\u7d20\u8bbe\u7f6e\u5c5e\u6027\u800c\u4e0d\u8d4b\u503c\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4e3a DOM \u5143\u7d20\u8bbe\u7f6e\u5c5e\u6027\u800c\u4e0d\u8d4b\u503c\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u7ed5\u8fc7\u5728\u5bf9 dom \u5143\u7d20\u8bbe\u7f6e\u5c5e\u6027\u65f6\u8d4b\u503c\u7684\u95ee\u9898<\/strong><\/p>\n<p>\u901a\u8fc7\u4f7f\u7528 setAttribute(&#8216;key&#8217;, &#8216;val&#8217;) \u65b9\u6cd5\u6765\u8bbe\u7f6e DOM \u5143\u7d20\u7684\u5c5e\u6027\u65f6\uff0c\u9700\u8981\u540c\u65f6\u63d0\u4f9b\u5c5e\u6027\u952e\u548c\u503c\u3002\u4f46\u662f\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u5e0c\u671b\u8bbe\u7f6e\u4e00\u4e2a\u5c5e\u6027\u800c\u4e0d\u7ed9\u5b83\u8d4b\u503c\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 createAttribute() \u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u4e0d\u5e26\u503c\u7684\u5c5e\u6027\u3002\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 setAttributeNode() \u65b9\u6cd5\u5c06\u8fd9\u4e2a\u5c5e\u6027\u6dfb\u52a0\u5230\u6211\u4eec\u7684 DOM \u5143\u7d20\u4e2d\u3002<\/p>\n<p>\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre>const attr = document.createAttribute('primary');\nconst ele = document.createElement('div');\nele.setAttributeNode(attr);\ndocument.body.append(ele);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u73b0\u5728\uff0c\u8fd9\u4e2a <\/p>\n<p>  \u5143\u7d20\u5c06\u5177\u6709\u4e00\u4e2a\u540d\u4e3a &#8220;primary&#8221; 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