{"id":1366,"date":"2024-11-10T11:13:51","date_gmt":"2024-11-10T03:13:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1366\/"},"modified":"2024-11-10T11:13:51","modified_gmt":"2024-11-10T03:13:51","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-javascript-%e4%b8%ad%e4%b8%ba-dom-%e5%85%83%e7%b4%a0%e6%b7%bb%e5%8a%a0%e5%b1%9e%e6%80%a7%e8%80%8c%e4%b8%8d%e8%ae%be%e7%bd%ae%e5%80%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1366\/","title":{"rendered":"\u5982\u4f55\u5728 JavaScript \u4e2d\u4e3a DOM \u5143\u7d20\u6dfb\u52a0\u5c5e\u6027\u800c\u4e0d\u8bbe\u7f6e\u503c\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u5728<\/p>\n

\u5728 javascript \u4e2d\u4e3a dom \u5143\u7d20\u6dfb\u52a0\u5c5e\u6027\u800c\u4e0d\u8bbe\u7f6e\u503c<\/strong><\/p>\n

\u5728 JavaScript \u4e2d\uff0c\u4f7f\u7528 setAttribute() \u65b9\u6cd5\u4e3a DOM \u5143\u7d20\u6dfb\u52a0\u5c5e\u6027\u503c\u662f\u5f88\u5e38\u89c1\u7684\u3002\u4f46\u662f\uff0c\u5982\u679c\u5e0c\u671b\u5c06\u5c5e\u6027\u6dfb\u52a0\u5230\u5143\u7d20\u800c\u4e0d\u8d4b\u4e88\u5b83\u503c\uff0c\u600e\u4e48\u529e\uff1f<\/p>\n

<p>\u8fd9\u662f\u671f\u671b\u5f97\u5230\u7684\u6548\u679c<\/p>\n<pre class=\"brush:php;toolbar:false\"><code><body>\n    <div primary><\/div>\n<\/body><\/code><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f46\u662fsetAttribute('key', 'val')<\/code>\u4e0d\u652f\u6301\u8fd9\u6837\u7684\u5199\u6cd5?<\/p>\n
<code>const element = document.createElement('div');\n\/\/ element.setAttribute(\"primary\"); \/\/ \u8fd9\u4e2a\u65b9\u6cd5\u53ea\u80fd\u4f20\u5c5e\u6027\u548c\u503c\ndocument.body.append(element)<\/code><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528 `createAttribute()` \u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u6ca1\u6709\u503c\u7684\u5c5e\u6027\uff0c\u7136\u540e\u4f7f\u7528 `setAttributeNode()` \u65b9\u6cd5\u5c06\u5b83\u9644\u52a0\u5230\u5143\u7d20\u4e0a\uff1a <\/p>\n
\u8bd5\u8bd5\u8fd9\u4e2a<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
 <\/p>\n
const attr = document.createAttribute('primary');<br>const ele = document.createElement('div');<br>ele.setAttributeNode(attr);<br>document.body.append(ele);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728 JavaScript \u4e2d\u4e3a DOM \u5143\u7d20\u6dfb\u52a0\u5c5e\u6027\u800c\u4e0d\u8bbe\u7f6e\u503c\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":"
\u5728 javascript \u4e2d\u4e3a dom \u5143\u7d20\u6dfb\u52a0\u5c5e\u6027\u800c\u4e0d\u8bbe\u7f6e\u503c \u5728 JavaScript \u4e2d\uff0c\u4f7f\u7528 setAttribute() \u65b9\u6cd5\u4e3a DOM \u5143\u7d20\u6dfb\u52a0\u5c5e\u6027\u503c\u662f\u5f88\u5e38\u89c1\u7684\u3002\u4f46\u662f\uff0c\u5982\u679c\u5e0c\u671b\u5c06\u5c5e\u6027\u6dfb\u52a0\u5230\u5143\u7d20\u800c\u4e0d\u8d4b\u4e88\u5b83\u503c\uff0c\u600e\u4e48\u529e\uff1f <p>\u8fd9\u662f\u671f\u671b\u5f97\u5230\u7684\u6548\u679c<\/p> <pre class=”brush:php;toolbar:false”><code><body> <div primary><\/div> <\/body><\/code> \u767b\u5f55\u540e\u590d\u5236 \u4f46\u662fsetAttribute(‘key’, ‘val’)\u4e0d\u652f\u6301\u8fd9\u6837\u7684\u5199\u6cd5? <code>const element = document.createElement(‘div’); \/\/ element.setAttribute(“primary”); \/\/ \u8fd9\u4e2a\u65b9\u6cd5\u53ea\u80fd\u4f20\u5c5e\u6027\u548c\u503c document.body.append(element)<\/code> \u767b\u5f55\u540e\u590d\u5236 \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528 `createAttribute()` \u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u6ca1\u6709\u503c\u7684\u5c5e\u6027\uff0c\u7136\u540e\u4f7f\u7528 `setAttributeNode()` \u65b9\u6cd5\u5c06\u5b83\u9644\u52a0\u5230\u5143\u7d20\u4e0a\uff1a \u8bd5\u8bd5\u8fd9\u4e2a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b const attr = document.createAttribute(‘primary’);<br>const ele = document.createElement(‘div’);<br>ele.setAttributeNode(attr);<br>document.body.append(ele); \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728 JavaScript \u4e2d\u4e3a DOM \u5143\u7d20\u6dfb\u52a0\u5c5e\u6027\u800c\u4e0d\u8bbe\u7f6e\u503c\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-1366","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1366","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=1366"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1366\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}