{"id":26,"date":"2025-11-20T16:38:54","date_gmt":"2025-11-20T08:38:54","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=26"},"modified":"2025-11-20T16:38:54","modified_gmt":"2025-11-20T08:38:54","slug":"html%e6%96%87%e6%a1%a3%e7%b1%bb%e5%9e%8b%e5%a3%b0%e6%98%8e%e6%a0%87%e7%ad%be%ef%bc%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2025\/11\/20\/html%e6%96%87%e6%a1%a3%e7%b1%bb%e5%9e%8b%e5%a3%b0%e6%98%8e%e6%a0%87%e7%ad%be%ef%bc%88%ef%bc%89\/","title":{"rendered":"HTML\u6587\u6863\u7c7b\u578b\u58f0\u660e\u6807\u7b7e\uff08\uff09"},"content":{"rendered":"\n<p>\u5728 HTML \u4e2d\uff0c<strong>\u6587\u6863\u7c7b\u578b\u58f0\u660e<\/strong>\uff08<code>DOCTYPE<\/code>\uff09\u6807\u7b7e\u7528\u4e8e\u6307\u5b9a\u7f51\u9875\u7684\u6587\u6863\u7c7b\u578b\u548c HTML \u7248\u672c\u3002\u5b83\u662f HTML \u6587\u6863\u7684\u7b2c\u4e00\u884c\uff0c\u4f4d\u4e8e&nbsp;<code>&lt;html&gt;<\/code>&nbsp;\u6807\u7b7e\u4e4b\u524d\u3002\u867d\u7136\u5b83\u4e0d\u662f HTML \u5143\u7d20\u7684\u4e00\u90e8\u5206\uff0c\u4f46\u5b83\u5bf9\u4e8e\u786e\u4fdd\u7f51\u9875\u5728\u4e0d\u540c\u6d4f\u89c8\u5668\u4e2d\u7684\u4e00\u81f4\u5448\u73b0\u975e\u5e38\u91cd\u8981\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.&nbsp;<strong>DOCTYPE \u6807\u7b7e\u7684\u4f5c\u7528<\/strong><\/h3>\n\n\n\n<p><code>&lt;!DOCTYPE&gt;<\/code>&nbsp;\u662f\u7528\u6765\u544a\u77e5\u6d4f\u89c8\u5668\u8be5\u6587\u6863\u9075\u5faa\u54ea\u4e2a\u7248\u672c\u7684 HTML \u6807\u51c6\uff0c\u8fd9\u6837\u6d4f\u89c8\u5668\u624d\u80fd\u6b63\u786e\u6e32\u67d3\u7f51\u9875\u3002\u4e0d\u540c\u7248\u672c\u7684 HTML \u89c4\u8303\u8981\u6c42\u4e0d\u540c\u7684\u89e3\u6790\u65b9\u5f0f\uff0c\u800c&nbsp;<code>DOCTYPE<\/code>&nbsp;\u6807\u7b7e\u5e2e\u52a9\u6d4f\u89c8\u5668\u542f\u7528\u6b63\u786e\u7684\u6e32\u67d3\u6a21\u5f0f\uff0c\u901a\u5e38\u88ab\u79f0\u4e3a&nbsp;<strong>\u6807\u51c6\u6a21\u5f0f<\/strong>\uff08Standard Mode\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.&nbsp;<strong>\u4e3a\u4ec0\u4e48\u9700\u8981&nbsp;<code>&lt;!DOCTYPE&gt;<\/code>&nbsp;\u6807\u7b7e\uff1f<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u542f\u7528\u6807\u51c6\u6a21\u5f0f<\/strong>\uff1a\u901a\u8fc7\u6b63\u786e\u7684\u00a0<code>DOCTYPE<\/code>\u00a0\u58f0\u660e\uff0c\u6d4f\u89c8\u5668\u4f1a\u9075\u5faa W3C \u6807\u51c6\u89c4\u8303\u6765\u6e32\u67d3\u7f51\u9875\uff0c\u907f\u514d\u4f7f\u7528\u6d4f\u89c8\u5668\u7684 &#8220;\u602a\u5f02\u6a21\u5f0f&#8221;\uff08Quirks Mode\uff09\uff0c\u4ece\u800c\u786e\u4fdd\u9875\u9762\u8868\u73b0\u4e00\u81f4\u3002<\/li>\n\n\n\n<li><strong>SEO \u548c\u517c\u5bb9\u6027<\/strong>\uff1a\u6b63\u786e\u7684\u00a0<code>DOCTYPE<\/code>\u00a0\u58f0\u660e\u6709\u52a9\u4e8e\u641c\u7d22\u5f15\u64ce\u4f18\u5316\uff08SEO\uff09\uff0c\u56e0\u4e3a\u5b83\u786e\u4fdd\u4e86\u6d4f\u89c8\u5668\u4ee5\u6807\u51c6\u7684\u65b9\u5f0f\u6e32\u67d3\u9875\u9762\u5185\u5bb9\u3002\u540c\u65f6\uff0c\u7b26\u5408\u6807\u51c6\u7684\u9875\u9762\u66f4\u5bb9\u6613\u4e0e\u5176\u4ed6\u6280\u672f\u517c\u5bb9\uff0c\u5982 CSS\u3001JavaScript \u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3.&nbsp;<strong>\u5e38\u89c1\u7684 HTML5&nbsp;<code>DOCTYPE<\/code>&nbsp;\u58f0\u660e<\/strong><\/h3>\n\n\n\n<p>\u5728 HTML5 \u4e2d\uff0c<code>DOCTYPE<\/code>&nbsp;\u58f0\u660e\u88ab\u7b80\u5316\u4e3a\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;!DOCTYPE html&gt;\n\n<\/pre><\/div>\n\n\n<p>\u8fd9\u4e2a\u58f0\u660e\u662fHTML5\u7684\u6807\u51c6\u5f62\u5f0f\uff0c\u975e\u5e38\u7b80\u6d01\u3002\u5b83\u544a\u8bc9\u6d4f\u89c8\u5668\u5f53\u524d\u6587\u6863\u662f\u4e00\u4e2a HTML5 \u6587\u6863\uff0c\u800c HTML5 \u662f\u5f53\u524d\u63a8\u8350\u4f7f\u7528\u7684 HTML \u7248\u672c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.&nbsp;<strong>\u5176\u4ed6 HTML \u7248\u672c\u7684&nbsp;<code>DOCTYPE<\/code>&nbsp;\u58f0\u660e<\/strong><\/h3>\n\n\n\n<p>\u5728 HTML5 \u4e4b\u524d\uff0cHTML \u7248\u672c\u6709\u591a\u4e2a\u4e0d\u540c\u7684&nbsp;<code>DOCTYPE<\/code>&nbsp;\u58f0\u660e\uff0c\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1.&nbsp;<strong>HTML 4.01 Strict<\/strong>\uff08\u4e25\u683c\u6a21\u5f0f\uff09<\/h4>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;!DOCTYPE HTML PUBLIC &quot;-\/\/W3C\/\/DTD HTML 4.01\/\/EN&quot; &quot;http:\/\/www.w3.org\/TR\/html4\/strict.dtd&quot;&gt;\n\n<\/pre><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>\u9002\u7528\u4e8e\u7b26\u5408 W3C \u6807\u51c6\u4e14\u4e0d\u5141\u8bb8\u4f7f\u7528 HTML \u5143\u7d20\u548c\u5c5e\u6027\uff08\u5982\u00a0<code>&lt;font><\/code>\u00a0\u548c\u00a0<code>&lt;center><\/code>\uff09\u7684\u9875\u9762\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2.&nbsp;<strong>HTML 4.01 Transitional<\/strong>\uff08\u8fc7\u6e21\u6a21\u5f0f\uff09<\/h4>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;!DOCTYPE HTML PUBLIC &quot;-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN&quot; &quot;http:\/\/www.w3.org\/TR\/html4\/loose.dtd&quot;&gt;\n\n<\/pre><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>\u9002\u7528\u4e8e\u652f\u6301\u8fc7\u65f6\u5143\u7d20\uff08\u4f8b\u5982\u00a0<code>&lt;font><\/code>\u00a0\u548c\u00a0<code>&lt;center><\/code>\uff09\u7684\u9875\u9762\uff0c\u9002\u5408\u90a3\u4e9b\u9700\u8981\u517c\u5bb9\u65e7\u4ee3\u7801\u7684\u9875\u9762\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3.&nbsp;<strong>HTML 4.01 Frameset<\/strong>\uff08\u6846\u67b6\u96c6\uff09<\/h4>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;!DOCTYPE HTML PUBLIC &quot;-\/\/W3C\/\/DTD HTML 4.01 Frameset\/\/EN&quot; &quot;http:\/\/www.w3.org\/TR\/html4\/frameset.dtd&quot;&gt;\n\n<\/pre><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528\u4e8e\u9875\u9762\u4e2d\u5305\u542b\u6846\u67b6\uff08frameset\uff09\u7684\u6587\u6863\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">4.&nbsp;<strong>XHTML 1.0 Strict<\/strong>\uff08\u4e25\u683c\u6a21\u5f0f\uff09<\/h4>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;!DOCTYPE html PUBLIC &quot;-\/\/W3C\/\/DTD XHTML 1.0 Strict\/\/EN&quot; &quot;http:\/\/www.w3.org\/TR\/xhtml1\/DTD\/xhtml1-strict.dtd&quot;&gt;\n\n<\/pre><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528\u4e8e\u9075\u5faa\u4e25\u683c\u7684 XML \u8bed\u6cd5\u89c4\u8303\u7684 HTML \u9875\u9762\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5.&nbsp;<strong><code>DOCTYPE<\/code>&nbsp;\u7684\u5173\u952e\u8981\u70b9<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f4d\u7f6e<\/strong>\uff1a<code>DOCTYPE<\/code>\u00a0\u5fc5\u987b\u4f4d\u4e8e HTML \u6587\u6863\u7684\u7b2c\u4e00\u884c\uff0c\u7d27\u8ddf\u5728\u6587\u4ef6\u5f00\u5934\uff0c\u4efb\u4f55\u5176\u4ed6\u6807\u7b7e\u4e4b\u524d\u3002<\/li>\n\n\n\n<li><strong>\u5927\u5c0f\u5199<\/strong>\uff1a<code>DOCTYPE<\/code>\u00a0\u6807\u7b7e\u901a\u5e38\u662f\u5927\u5199\u5b57\u6bcd\uff0c\u4f46\u5728 HTML5 \u4e2d\uff0c<code>DOCTYPE<\/code>\u00a0\u662f\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u7684\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f7f\u7528\u00a0<code>&lt;!DOCTYPE html><\/code>\uff08\u63a8\u8350\u5199\u6cd5\uff09\u3002<\/li>\n\n\n\n<li><strong>\u65e0\u9700\u95ed\u5408\u6807\u7b7e<\/strong>\uff1a<code>DOCTYPE<\/code>\u00a0\u6807\u7b7e\u672c\u8eab\u4e0d\u9700\u8981\u95ed\u5408\uff0c\u50cf\u00a0<code>&lt;html><\/code>\u00a0\u548c\u00a0<code>&lt;body><\/code>\u00a0\u7b49\u6807\u7b7e\u4e00\u6837\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6.&nbsp;<strong>HTML5&nbsp;<code>DOCTYPE<\/code>&nbsp;\u793a\u4f8b<\/strong><\/h3>\n\n\n\n<p>\u5728 HTML5 \u4e2d\uff0c<code>DOCTYPE<\/code>&nbsp;\u58f0\u660e\u975e\u5e38\u7b80\u5355\u548c\u76f4\u89c2\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u6807\u51c6\u7684 HTML5 \u6a21\u677f\uff0c\u5305\u542b\u4e86&nbsp;<code>DOCTYPE<\/code>&nbsp;\u58f0\u660e\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;!DOCTYPE html&gt;\n&amp;lt;html lang=&quot;zh&quot;&gt;\n&amp;lt;head&gt;\n    &amp;lt;meta charset=&quot;UTF-8&quot;&gt;\n    &amp;lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;\n    &amp;lt;title&gt;HTML5 \u9875\u9762\u793a\u4f8b&amp;lt;\/title&gt;\n&amp;lt;\/head&gt;\n&amp;lt;body&gt;\n    &amp;lt;h1&gt;\u6b22\u8fce\u4f7f\u7528 HTML5!&amp;lt;\/h1&gt;\n    &amp;lt;p&gt;\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684 HTML5 \u9875\u9762\u793a\u4f8b\u3002&amp;lt;\/p&gt;\n&amp;lt;\/body&gt;\n&amp;lt;\/html&gt;\n\n<\/pre><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>&lt;!DOCTYPE html><\/code><\/strong>\uff1a\u58f0\u660e\u8fd9\u662f\u4e00\u4e2a HTML5 \u9875\u9762\u3002<\/li>\n\n\n\n<li><strong><code>&lt;html lang=\"zh\"><\/code><\/strong>\uff1a\u6307\u5b9a\u9875\u9762\u8bed\u8a00\u4e3a\u4e2d\u6587\u3002<\/li>\n\n\n\n<li><strong><code>&lt;meta charset=\"UTF-8\"><\/code><\/strong>\uff1a\u8bbe\u7f6e\u5b57\u7b26\u96c6\u4e3a UTF-8\uff0c\u652f\u6301\u591a\u8bed\u8a00\u5b57\u7b26\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">7.&nbsp;<strong><code>DOCTYPE<\/code>&nbsp;\u7684\u603b\u7ed3<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7b80\u6d01\u6027<\/strong>\uff1aHTML5 \u4e2d\u7684\u00a0<code>DOCTYPE<\/code>\u00a0\u58f0\u660e\u975e\u5e38\u7b80\u6d01\uff0c\u53ea\u9700\u8981\u00a0<code>&lt;!DOCTYPE html><\/code>\u3002<\/li>\n\n\n\n<li><strong>\u517c\u5bb9\u6027<\/strong>\uff1a\u6b63\u786e\u7684\u00a0<code>DOCTYPE<\/code>\u00a0\u58f0\u660e\u786e\u4fdd\u4e86\u7f51\u9875\u5728\u5404\u79cd\u6d4f\u89c8\u5668\u4e2d\u8868\u73b0\u4e00\u81f4\u3002<\/li>\n\n\n\n<li><strong>\u91cd\u8981\u6027<\/strong>\uff1a\u867d\u7136\u00a0<code>DOCTYPE<\/code>\u00a0\u6807\u7b7e\u770b\u4f3c\u7b80\u5355\uff0c\u4f46\u5b83\u5bf9\u7f51\u9875\u7684\u6e32\u67d3\u548c\u6807\u51c6\u5316\u6709\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u901a\u8fc7\u4e86\u89e3&nbsp;<code>DOCTYPE<\/code>&nbsp;\u6807\u7b7e\u7684\u4f5c\u7528\u548c\u4f7f\u7528\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u7f51\u9875\u7684\u6e32\u67d3\u6548\u679c\uff0c\u5e76\u907f\u514d\u4e0d\u540c\u6d4f\u89c8\u5668\u95f4\u7684\u517c\u5bb9\u6027\u95ee\u9898\u3002\u5bf9\u4e8e\u73b0\u4ee3 Web \u5f00\u53d1\uff0c\u63a8\u8350\u4f7f\u7528 HTML5 \u7684&nbsp;<code>&lt;!DOCTYPE html&gt;<\/code>\uff0c\u5b83\u5df2\u7ecf\u6210\u4e3a\u6807\u51c6\uff0c\u5e76\u4e14\u652f\u6301\u6700\u65b0\u7684 HTML \u548c Web \u6280\u672f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 HTML \u4e2d\uff0c\u6587\u6863\u7c7b\u578b\u58f0\u660e\uff08DOCTYPE\uff09\u6807\u7b7e\u7528\u4e8e\u6307\u5b9a\u7f51\u9875\u7684\u6587\u6863\u7c7b\u578b\u548c H&#8230; <a class=\"more-link\" href=\"https:\/\/www.52runoob.com\/index.php\/2025\/11\/20\/html%e6%96%87%e6%a1%a3%e7%b1%bb%e5%9e%8b%e5%a3%b0%e6%98%8e%e6%a0%87%e7%ad%be%ef%bc%88%ef%bc%89\/\">Continue Reading &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-26","post","type-post","status-publish","format-standard","hentry","category-html-xhtml"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/26","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/comments?post=26"}],"version-history":[{"count":1,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/26\/revisions"}],"predecessor-version":[{"id":27,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/26\/revisions\/27"}],"wp:attachment":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/media?parent=26"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/categories?post=26"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/tags?post=26"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}