{"id":1317,"date":"2024-11-10T08:20:20","date_gmt":"2024-11-10T00:20:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1317\/"},"modified":"2024-11-10T08:20:20","modified_gmt":"2024-11-10T00:20:20","slug":"javascript%e4%b8%ad%e5%a6%82%e4%bd%95%e6%b7%bb%e5%8a%a0%e4%b8%8d%e5%b8%a6%e5%80%bc%e7%9a%84dom%e5%85%83%e7%b4%a0%e5%b1%9e%e6%80%a7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1317\/","title":{"rendered":"JavaScript\u4e2d\u5982\u4f55\u6dfb\u52a0\u4e0d\u5e26\u503c\u7684DOM\u5143\u7d20\u5c5e\u6027\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173036512922906.jpg\" class=\"aligncenter\" title=\"JavaScript\u4e2d\u5982\u4f55\u6dfb\u52a0\u4e0d\u5e26\u503c\u7684DOM\u5143\u7d20\u5c5e\u6027\uff1f\u63d2\u56fe\" alt=\"JavaScript\u4e2d\u5982\u4f55\u6dfb\u52a0\u4e0d\u5e26\u503c\u7684DOM\u5143\u7d20\u5c5e\u6027\uff1f\u63d2\u56fe\" \/><\/p>\n<h2>js\u5982\u4f55\u6dfb\u52a0\u4e0d\u5e26\u503c\u7684DOM\u5143\u7d20\u5c5e\u6027\uff1f<\/h2>\n<p>js\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528setattribute(&#8216;key&#8217;, &#8216;val&#8217;)\u65b9\u6cd5\u6765\u4e3adom\u5143\u7d20\u6dfb\u52a0\u5c5e\u6027\u3002\u4f46\u662f\uff0c\u4e0d\u5e26\u503c\u7684\u5c5e\u6027\u4e0d\u80fd\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u6dfb\u52a0\u3002<\/p>\n<p>\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528createAttribute()\u65b9\u6cd5\u521b\u5efa\u5c5e\u6027\uff0c\u7136\u540e\u4f7f\u7528setAttributeNode()\u65b9\u6cd5\u5c06\u5176\u6dfb\u52a0\u5230\u5143\u7d20\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<pre>const attr = document.createAttribute('primary');\nconst element = document.createElement('div');\nelement.setAttributeNode(attr);\ndocument.body.appendChild(element);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u5e26\u6709primary\u5c5e\u6027\u7684div\u5143\u7d20\uff0c\u8be5\u5c5e\u6027\u7684\u503c\u4e3a\u7a7a\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJavaScript\u4e2d\u5982\u4f55\u6dfb\u52a0\u4e0d\u5e26\u503c\u7684DOM\u5143\u7d20\u5c5e\u6027\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>js\u5982\u4f55\u6dfb\u52a0\u4e0d\u5e26\u503c\u7684DOM\u5143\u7d20\u5c5e\u6027\uff1f js\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528setattribute(&#8216;key&#8217;, &#8216;val&#8217;)\u65b9\u6cd5\u6765\u4e3adom\u5143\u7d20\u6dfb\u52a0\u5c5e\u6027\u3002\u4f46\u662f\uff0c\u4e0d\u5e26\u503c\u7684\u5c5e\u6027\u4e0d\u80fd\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u6dfb\u52a0\u3002 \u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528createAttribute()\u65b9\u6cd5\u521b\u5efa\u5c5e\u6027\uff0c\u7136\u540e\u4f7f\u7528setAttributeNode()\u65b9\u6cd5\u5c06\u5176\u6dfb\u52a0\u5230\u5143\u7d20\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a const attr = document.createAttribute(&#8216;primary&#8217;); const element = document.createElement(&#8216;div&#8217;); element.setAttributeNode(attr); document.body.appendChild(element); \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u521b\u5efa\u5e26\u6709primary\u5c5e\u6027\u7684div\u5143\u7d20\uff0c\u8be5\u5c5e\u6027\u7684\u503c\u4e3a\u7a7a\u3002 \u4ee5\u4e0a\u5c31\u662fJavaScript\u4e2d\u5982\u4f55\u6dfb\u52a0\u4e0d\u5e26\u503c\u7684DOM\u5143\u7d20\u5c5e\u6027\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-1317","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1317","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=1317"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1317\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}