{"id":3472,"date":"2024-11-10T16:48:40","date_gmt":"2024-11-10T08:48:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3472\/"},"modified":"2024-11-10T16:48:40","modified_gmt":"2024-11-10T08:48:40","slug":"js%e5%a6%82%e4%bd%95%e6%88%aa%e5%8f%96html","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3472\/","title":{"rendered":"js\u5982\u4f55\u622a\u53d6html"},"content":{"rendered":"<blockquote><p>\n  \u5728 javascript \u4e2d\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u622a\u53d6 html\uff1a\u83b7\u53d6 html \u5143\u7d20\u5e76\u4f7f\u7528 innerhtml \u5c5e\u6027\u83b7\u53d6\u5176 html\u3002\u4f7f\u7528 document.queryselector() \u9009\u62e9\u5143\u7d20\u5e76\u4f7f\u7528 outerhtml \u5c5e\u6027\u83b7\u53d6\u5176 html\u3002\u4f7f\u7528 document.createrange() \u548c clonecontents() \u65b9\u6cd5\u521b\u5efa\u6587\u6863\u8303\u56f4\u5e76\u514b\u9686\u5176\u5185\u5bb9\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/08\/2024110813122875070.jpg\" class=\"aligncenter\" title=\"js\u5982\u4f55\u622a\u53d6html\u63d2\u56fe\" alt=\"js\u5982\u4f55\u622a\u53d6html\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 JavaScript \u622a\u53d6 HTML<\/strong><\/p>\n<p>\u5728 JavaScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u622a\u53d6 HTML\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 innerHTML \u5c5e\u6027<\/strong><\/p>\n<p>innerHTML \u5c5e\u6027\u8868\u793a HTML \u5143\u7d20\u53ca\u5176\u5b50\u5143\u7d20\u7684 HTML\u3002\u8981\u4f7f\u7528 innerHTML \u5c5e\u6027\u622a\u53d6 HTML\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u83b7\u53d6\u8981\u622a\u53d6\u7684 HTML \u5143\u7d20\u3002<\/li>\n<li>\u4f7f\u7528 innerHTML \u5c5e\u6027\u6765\u83b7\u53d6\u8be5\u5143\u7d20\u7684 HTML\u3002<\/li>\n<li>\u5c06\u622a\u53d6\u7684 HTML \u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>const html = document.getElementById(\"my-element\").innerHTML;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 document.querySelector() \u548c outerHTML \u5c5e\u6027<\/strong><\/p>\n<p>document.querySelector() \u65b9\u6cd5\u53ef\u7528\u4e8e\u9009\u62e9\u5355\u4e2a HTML \u5143\u7d20\uff0couterHTML \u5c5e\u6027\u8868\u793a\u5143\u7d20\u4e0e\u5176\u5b50\u5143\u7d20\u7684 HTML\uff0c\u5305\u62ec\u5143\u7d20\u672c\u8eab\u3002\u8981\u4f7f\u7528\u6b64\u65b9\u6cd5\u622a\u53d6 HTML\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528 document.querySelector() \u65b9\u6cd5\u9009\u62e9\u8981\u622a\u53d6\u7684 HTML \u5143\u7d20\u3002<\/li>\n<li>\u4f7f\u7528 outerHTML \u5c5e\u6027\u6765\u83b7\u53d6\u8be5\u5143\u7d20\u7684 HTML\u3002<\/li>\n<li>\u5c06\u622a\u53d6\u7684 HTML \u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>const html = document.querySelector(\"#my-element\").outerHTML;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 document.createRange() \u548c cloneContents() \u65b9\u6cd5<\/strong><\/p>\n<p>document.createRange() \u65b9\u6cd5\u53ef\u7528\u4e8e\u521b\u5efa\u6587\u6863\u8303\u56f4\uff0ccloneContents() \u65b9\u6cd5\u53ef\u7528\u4e8e\u514b\u9686\u6587\u6863\u8303\u56f4\u4e2d\u7684\u5185\u5bb9\u3002\u8981\u4f7f\u7528\u6b64\u65b9\u6cd5\u622a\u53d6 HTML\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528 document.createRange() \u65b9\u6cd5\u521b\u5efa\u6587\u6863\u8303\u56f4\u3002<\/li>\n<li>\u4f7f\u7528 selectNodeContents() \u65b9\u6cd5\u9009\u62e9\u8981\u622a\u53d6\u7684 HTML \u5143\u7d20\u3002<\/li>\n<li>\u4f7f\u7528 cloneContents() 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\u5143\u7d20\u53ca\u5176\u5b50\u5143\u7d20\u7684 HTML\u3002\u8981\u4f7f\u7528 innerHTML \u5c5e\u6027\u622a\u53d6 HTML\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u83b7\u53d6\u8981\u622a\u53d6\u7684 HTML \u5143\u7d20\u3002 \u4f7f\u7528 innerHTML \u5c5e\u6027\u6765\u83b7\u53d6\u8be5\u5143\u7d20\u7684 HTML\u3002 \u5c06\u622a\u53d6\u7684 HTML \u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002 \u793a\u4f8b\uff1a const html = document.getElementById(&#8220;my-element&#8221;).innerHTML; \u767b\u5f55\u540e\u590d\u5236 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