{"id":1421,"date":"2024-11-10T14:37:36","date_gmt":"2024-11-10T06:37:36","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1421\/"},"modified":"2024-11-10T14:37:36","modified_gmt":"2024-11-10T06:37:36","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-javascript-%e5%8a%a8%e6%80%81%e6%b7%bb%e5%8a%a0%e6%97%a0%e5%80%bc%e5%b1%9e%e6%80%a7%e7%9a%84-dom-%e5%85%83%e7%b4%a0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1421\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 JavaScript \u52a8\u6001\u6dfb\u52a0\u65e0\u503c\u5c5e\u6027\u7684 DOM \u5143\u7d20\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173042913818053.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528 JavaScript \u52a8\u6001\u6dfb\u52a0\u65e0\u503c\u5c5e\u6027\u7684 DOM \u5143\u7d20\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528 JavaScript \u52a8\u6001\u6dfb\u52a0\u65e0\u503c\u5c5e\u6027\u7684 DOM \u5143\u7d20\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4f7f\u7528 javascript \u52a8\u6001\u6dfb\u52a0 dom \u5143\u7d20\u5e76\u8bbe\u7f6e\u65e0\u503c\u7684\u5c5e\u6027<\/strong><\/p>\n<p>\u5982\u4f55\u4f7f\u7528 JavaScript \u521b\u5efa\u4e00\u4e2a\u5177\u6709\u65e0\u503c\u5c5e\u6027\u7684 DOM \u5143\u7d20\u5462\uff1f<\/p>\n<p>\u4f7f\u7528 setAttribute() \u65b9\u6cd5\u65e0\u6cd5\u5b9e\u73b0\u8fd9\u6837\u7684\u5199\u6cd5\uff1a<\/p>\n<pre>const element = document.createElement('div');\n\/\/ element.setAttribute(\"primary\");<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u89e3\u51b3\u6b64\u95ee\u9898\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528 document.createAttribute() \u521b\u5efa\u4e00\u4e2a\u5c5e\u6027\u8282\u70b9\u3002<\/li>\n<li>\u4f7f\u7528 setAttributeNode() \u65b9\u6cd5\u5c06\u5c5e\u6027\u8282\u70b9\u6dfb\u52a0\u5230\u5143\u7d20\u3002<\/li>\n<\/ol>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/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>\u8fd9\u6837\uff0c\u5c31\u4f1a\u751f\u6210\u4e00\u4e2a\u5177\u6709 primary \u5c5e\u6027\uff08\u6ca1\u6709\u503c\uff09\u7684 <\/p>\n<p> \u5143\u7d20\u3002 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 JavaScript \u52a8\u6001\u6dfb\u52a0\u65e0\u503c\u5c5e\u6027\u7684 DOM \u5143\u7d20\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>\u4f7f\u7528 javascript \u52a8\u6001\u6dfb\u52a0 dom \u5143\u7d20\u5e76\u8bbe\u7f6e\u65e0\u503c\u7684\u5c5e\u6027 \u5982\u4f55\u4f7f\u7528 JavaScript \u521b\u5efa\u4e00\u4e2a\u5177\u6709\u65e0\u503c\u5c5e\u6027\u7684 DOM \u5143\u7d20\u5462\uff1f \u4f7f\u7528 setAttribute() \u65b9\u6cd5\u65e0\u6cd5\u5b9e\u73b0\u8fd9\u6837\u7684\u5199\u6cd5\uff1a const element = document.createElement(&#8216;div&#8217;); \/\/ element.setAttribute(&#8220;primary&#8221;); \u767b\u5f55\u540e\u590d\u5236 \u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u89e3\u51b3\u6b64\u95ee\u9898\uff1a \u4f7f\u7528 document.createAttribute() \u521b\u5efa\u4e00\u4e2a\u5c5e\u6027\u8282\u70b9\u3002 \u4f7f\u7528 setAttributeNode() \u65b9\u6cd5\u5c06\u5c5e\u6027\u8282\u70b9\u6dfb\u52a0\u5230\u5143\u7d20\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b const attr = document.createAttribute(&#8216;primary&#8217;); const ele = document.createElement(&#8216;div&#8217;); ele.setAttributeNode(attr); document.body.append(ele); \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u6837\uff0c\u5c31\u4f1a\u751f\u6210\u4e00\u4e2a\u5177\u6709 primary \u5c5e\u6027\uff08\u6ca1\u6709\u503c\uff09\u7684 \u5143\u7d20\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 JavaScript \u52a8\u6001\u6dfb\u52a0\u65e0\u503c\u5c5e\u6027\u7684 DOM \u5143\u7d20\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-1421","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1421","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=1421"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1421\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}