{"id":848,"date":"2025-12-22T08:59:49","date_gmt":"2025-12-22T00:59:49","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=848"},"modified":"2025-12-22T08:59:49","modified_gmt":"2025-12-22T00:59:49","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%89-3","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2025\/12\/22\/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%89-3\/","title":{"rendered":"HTML\u6587\u6863\u7c7b\u578b\u58f0\u660e\u6807\u7b7e\uff08\uff09"},"content":{"rendered":"\n<p>HTML \u6587\u6863\u7c7b\u578b\u58f0\u660e\u6807\u7b7e\uff08Doctype Declaration\uff09\u662f HTML \u6587\u6863\u7684\u7b2c\u4e00\u884c\uff0c\u7528\u4e8e\u544a\u8bc9\u6d4f\u89c8\u5668\u4f7f\u7528\u54ea\u79cd HTML \u7248\u672c\uff08\u6216\u6807\u51c6\uff09\u6765\u89e3\u6790\u548c\u6e32\u67d3\u9875\u9762\u3002\u6b63\u786e\u5199\u6cd5\uff08\u73b0\u4ee3\u63a8\u8350\uff09<\/p>\n\n\n\n<p>html<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;!DOCTYPE html&gt;\n<\/pre><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u662f HTML5 \u7684\u6807\u51c6\u6587\u6863\u7c7b\u578b\u58f0\u660e\uff082009 \u5e74\u8d77\u4f7f\u7528\u81f3\u4eca\uff09\u3002<\/li>\n\n\n\n<li>\u5fc5\u987b\u653e\u5728\u6574\u4e2a\u6587\u6863\u7684\u6700\u5f00\u5934\uff08\u4e0d\u80fd\u6709\u4efb\u4f55\u7a7a\u683c\u3001\u6362\u884c\u6216\u6ce8\u91ca\u5728\u5b83\u4e4b\u524d\uff09\u3002<\/li>\n\n\n\n<li>\u4e0d\u533a\u5206\u5927\u5c0f\u5199\uff0c\u4f46\u63a8\u8350\u5168\u5c0f\u5199\uff0c\u4ee5\u4fdd\u6301\u89c4\u8303\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\u9700\u8981 Doctype\uff1f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u544a\u8bc9\u6d4f\u89c8\u5668\uff1a\u8fd9\u662fHTML5 \u6587\u6863\uff0c\u4f7f\u7528\u6807\u51c6\u6a21\u5f0f\uff08Standards Mode\uff09\u6e32\u67d3\uff0c\u800c\u4e0d\u662f\u602a\u5f02\u6a21\u5f0f\uff08Quirks Mode\uff09\u6216\u8fd1\u4f3c\u6807\u51c6\u6a21\u5f0f\uff08Almost Standards Mode\uff09\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u4e0d\u5199 Doctype \u6216\u5199\u9519\uff0c\u6d4f\u89c8\u5668\u53ef\u80fd\u8fdb\u5165\u602a\u5f02\u6a21\u5f0f\uff0c\u5bfc\u81f4\u5e03\u5c40\u3001CSS \u517c\u5bb9\u6027\u95ee\u9898\uff08\u5982\u76d2\u6a21\u578b\u3001inline-block \u884c\u4e3a\u5f02\u5e38\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5386\u53f2\u5e38\u89c1 Doctype\uff08\u4e86\u89e3\u5373\u53ef\uff0c\u73b0\u5728\u57fa\u672c\u4e0d\u7528\uff09<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>HTML \u7248\u672c<\/th><th>Doctype \u58f0\u660e<\/th><th>\u8bf4\u660e<\/th><\/tr><tr><td>HTML5<\/td><td>&lt;!DOCTYPE html&gt;<\/td><td>\u73b0\u4ee3\u6807\u51c6\uff08\u63a8\u8350\uff09<\/td><\/tr><tr><td>HTML 4.01 Strict<\/td><td>&lt;!DOCTYPE HTML PUBLIC &#8220;-\/\/W3C\/\/DTD HTML 4.01\/\/EN&#8221; &#8220;http:\/\/www.w3.org\/TR\/html4\/strict.dtd&#8221;&gt;<\/td><td>\u4e25\u683c\u6a21\u5f0f\uff08\u5df2\u8fc7\u65f6\uff09<\/td><\/tr><tr><td>HTML 4.01 Transitional<\/td><td>&lt;!DOCTYPE HTML PUBLIC &#8220;-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN&#8221; &#8220;http:\/\/www.w3.org\/TR\/html4\/loose.dtd&#8221;&gt;<\/td><td>\u8fc7\u6e21\u6a21\u5f0f\uff08\u542b\u65e7\u6807\u7b7e\uff09<\/td><\/tr><tr><td>XHTML 1.0 Strict<\/td><td>&lt;!DOCTYPE html PUBLIC &#8220;-\/\/W3C\/\/DTD XHTML 1.0 Strict\/\/EN&#8221; &#8220;http:\/\/www.w3.org\/TR\/xhtml1\/DTD\/xhtml1-strict.dtd&#8221;&gt;<\/td><td>XML \u98ce\u683c\uff08\u5df2\u5e9f\u5f03\uff09<\/td><\/tr><tr><td>XHTML 1.1<\/td><td>&lt;!DOCTYPE html PUBLIC &#8220;-\/\/W3C\/\/DTD XHTML 1.1\/\/EN&#8221; &#8220;http:\/\/www.w3.org\/TR\/xhtml11\/DTD\/xhtml11.dtd&#8221;&gt;<\/td><td>\u66f4\u4e25\u683c\u7684 XML \u7248\u672c\uff08\u5df2\u5e9f\u5f03\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5e38\u89c1\u9519\u8bef\u5199\u6cd5\uff08\u4e0d\u8981\u7528\uff01\uff09<\/p>\n\n\n\n<p>html<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&amp;lt;!doctype html&gt;             &amp;lt;!-- \u6b63\u786e\uff0c\u4f46\u63a8\u8350\u5168\u5c0f\u5199 --&gt;\n&amp;lt;!DOCTYPE HTML&gt;             &amp;lt;!-- \u4e5f\u6b63\u786e\uff0c\u4f46\u4e0d\u63a8\u8350 --&gt;\n&amp;lt;!DOCTYPE html PUBLIC ...&gt;  &amp;lt;!-- HTML5 \u4e0d\u9700\u8981\u8fd9\u4e9b\u65e7\u7684 DTD --&gt;\n<\/pre><\/div>\n\n\n<p>\u5b8c\u6574 HTML5 \u6587\u6863\u6700\u5c0f\u6a21\u677f\uff082025 \u5e74\u6807\u51c6\uff09<\/p>\n\n\n\n<p>html<\/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-CN&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;\u9875\u9762\u6807\u9898&amp;lt;\/title&gt;\n&amp;lt;\/head&gt;\n&amp;lt;body&gt;\n  &amp;lt;!-- \u9875\u9762\u5185\u5bb9 --&gt;\n&amp;lt;\/body&gt;\n&amp;lt;\/html&gt;\n<\/pre><\/div>\n\n\n<p>\u603b\u7ed3<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u95ee\u9898<\/th><th>\u7b54\u6848<\/th><\/tr><tr><td>\u73b0\u4ee3 HTML \u7684 Doctype \u662f\uff1f<\/td><td>&lt;!DOCTYPE html&gt;<\/td><\/tr><tr><td>\u5fc5\u987b\u653e\u5728\u54ea\u91cc\uff1f<\/td><td>\u6587\u6863\u7684\u7b2c\u4e00\u884c\uff08\u4e4b\u524d\u4e0d\u80fd\u6709\u4efb\u4f55\u5185\u5bb9\uff09<\/td><\/tr><tr><td>\u5927\u5c0f\u5199\u654f\u611f\u5417\uff1f<\/td><td>\u4e0d\u654f\u611f\uff0c\u4f46\u63a8\u8350\u5168\u5c0f\u5199<\/td><\/tr><tr><td>\u53ef\u4ee5\u7701\u7565\u5417\uff1f<\/td><td>\u4e0d\u63a8\u8350\uff01\u7701\u7565\u4f1a\u5bfc\u81f4\u602a\u5f02\u6a21\u5f0f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u4e00\u53e5\u8bdd\u8bb0\u4f4f\uff1a<br>HTML5 \u6587\u6863\u6c38\u8fdc\u4ee5 &lt;!DOCTYPE html&gt; \u5f00\u5934\uff0c\u8fd9\u662f\u6700\u7b80\u5355\u3001\u6700\u6807\u51c6\u3001\u6700\u517c\u5bb9\u7684\u5199\u6cd5\u3002\u5982\u679c\u4f60\u7684\u9879\u76ee\u9700\u8981\u517c\u5bb9\u975e\u5e38\u53e4\u8001\u7684\u6d4f\u89c8\u5668\uff08\u6bd4\u5982 IE6\uff09\uff0c\u53ef\u4ee5\u518d\u8ba8\u8bba\u65e7 Doctype\uff0c\u4f46 2025 \u5e74\u7684 Web \u5f00\u53d1\u57fa\u672c\u4e0d\u9700\u8981\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>HTML \u6587\u6863\u7c7b\u578b\u58f0\u660e\u6807\u7b7e\uff08Doctype Declaration\uff09\u662f HTML&#8230; <a class=\"more-link\" href=\"https:\/\/www.52runoob.com\/index.php\/2025\/12\/22\/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%89-3\/\">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-848","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\/848","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=848"}],"version-history":[{"count":1,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/848\/revisions"}],"predecessor-version":[{"id":849,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/posts\/848\/revisions\/849"}],"wp:attachment":[{"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/media?parent=848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/categories?post=848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52runoob.com\/index.php\/wp-json\/wp\/v2\/tags?post=848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}