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<h1 class="headTit text-center">html文档头对css影响</h1>
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<a class="pop" data-avatar="https://simg.open-open.com/show/7b6e25d28c4e75f7a76f2cf9041ff793.jpg" data-avatar="https://simg.open-open.com/show/7b6e25d28c4e75f7a76f2cf9041ff793.jpg" data-name="" data-id="12839" href="https://user.open-open.com/u/12839"><i class="fa fa-user-o" aria-hidden="true"></i> </a>
<span title=" 2011-03-04 08:16:15"> 14年前</span>
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<DIV>最近开发中，遇到一个问题。body{font-size:12px}对<td></td>内文字不起作用。html文件的完整格式如下</DIV> <DIV><!-- <BR><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"<BR>"<a href="/misc/goto?guid=4959615501594206660" target="_blank">http://www.w3.org/TR/html4/loose.dtd</A>"><BR> --><BR><html><BR> <head><BR> <title>font size test</title><BR> <meta http-equiv="keywords" content="enter,your,keywords,here" /><BR> <meta http-equiv="description" content="A short description of this page." /><BR> <meta http-equiv="content-type" content="text/html; charset=UTF-8" /><BR> <!-- <BR> <style type="text/css"><BR> body{<BR> font-size:48px;<BR> /*对td内元素无效,如果无html <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"<BR> "<a href="/misc/goto?guid=4959615501594206660" target="_blank">http://www.w3.org/TR/html4/loose.dtd</A>"><BR> */<BR> }<BR> </style><BR> --><BR> <link rel="stylesheet" href="font.css" type="text/css"/><BR> </head><BR> <body><BR> <p><BR> p元素内文字<BR> </p><BR> <hr/><BR> <table><BR> <tr><BR> <td>td内文字</td><BR> </tr><BR> </table><BR> </body><BR></html></DIV> <DIV>允许效果如下<IMG id=uchomelocalimg[] src="attachment/201103/4/12839_12992445736wjD.png"></DIV> <DIV>去掉文件头注释后</DIV> <DIV><BR><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"<BR>"<a href="/misc/goto?guid=4959615501594206660" target="_blank">http://www.w3.org/TR/html4/loose.dtd</A>"><BR><html><BR> <head><BR> <title>font size test</title><BR> <meta http-equiv="keywords" content="enter,your,keywords,here" /><BR> <meta http-equiv="description" content="A short description of this page." /><BR> <meta http-equiv="content-type" content="text/html; charset=UTF-8" /><BR> <!-- <BR> <style type="text/css"><BR> body{<BR> font-size:48px;<BR> /*对td内元素无效,如果无html <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"<BR> "<a href="/misc/goto?guid=4959615501594206660" target="_blank">http://www.w3.org/TR/html4/loose.dtd</A>"><BR> */<BR> }<BR> </style><BR> --><BR> <link rel="stylesheet" href="font.css" type="text/css"/><BR> </head><BR> <body><BR> <p><BR> p元素内文字<BR> </p><BR> <hr/><BR> <table><BR> <tr><BR> <td>td内文字</td><BR> </tr><BR> </table><BR> </body><BR></html></DIV> <DIV>允许效果<IMG id=_uchome_localimg_1 src=""></DIV> <DIV>不带文件头时浏览器是怎么解析html文档的呢?</DIV><div class="uchome-message-pic"><img src="attachment/201103/4/12839_1299244574ge1H.png"><p></p></div>
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