http:\/\/www.w3.org\/TR\/html4\/loose.dtd<\/a>“><\/p>\n\u4e8c\u3001\u4e07\u80fd float \u95ed\u5408<\/p>\n
\u5173\u4e8e clear float \u7684\u539f\u7406\u53ef\u53c2\u89c1 [How To Clear Floats Without Structural Markup]
\u5c06\u4ee5\u4e0b\u4ee3\u7801\u52a0\u5165Global CSS \u4e2d,\u7ed9\u9700\u8981\u95ed\u5408\u7684div\u52a0\u4e0a class=”clearfix” \u5373\u53ef,\u5c61\u8bd5\u4e0d\u723d.
<style>
\/* Clear Fix *\/<\/p>\n
.clearfix:after
{
content:”.”;
display:block;
height:0;
clear:both;
visibility:hidden;
}
.clearfix
{
display:inline-block;
}
\/* Hide from IE Mac *\/
.clearfix {display:block;}
\/* End hide from IE Mac *\/
\/* end of clearfix *\/
<\/style><\/p>\n
\u4e09\u3001\u5176\u4ed6\u517c\u5bb9\u6280\u5de7<\/p>\n
1, FF\u4e0b\u7ed9 div \u8bbe\u7f6e padding \u540e\u4f1a\u5bfc\u81f4 width \u548c height \u589e\u52a0, \u4f46IE\u4e0d\u4f1a.(\u53ef\u7528!important\u89e3\u51b3)
2, \u5c45\u4e2d\u95ee\u9898.
1).\u5782\u76f4\u5c45\u4e2d.\u5c06 line-height \u8bbe\u7f6e\u4e3a \u5f53\u524d div \u76f8\u540c\u7684\u9ad8\u5ea6, \u518d\u901a\u8fc7 vertical-align: middle.( \u6ce8\u610f\u5185\u5bb9\u4e0d\u8981\u6362\u884c.)
2).\u6c34\u5e73\u5c45\u4e2d. margin: 0 auto;(\u5f53\u7136\u4e0d\u662f\u4e07\u80fd)
3, \u82e5\u9700\u7ed9 a \u6807\u7b7e\u5185\u5185\u5bb9\u52a0\u4e0a \u6837\u5f0f, \u9700\u8981\u8bbe\u7f6e display: block;(\u5e38\u89c1\u4e8e\u5bfc\u822a\u6807\u7b7e)
4, FF \u548c IE \u5bf9 BOX \u7406\u89e3\u7684\u5dee\u5f02\u5bfc\u81f4\u76f8\u5dee 2px \u7684\u8fd8\u6709\u8bbe\u4e3a float\u7684div\u5728ie\u4e0b margin\u52a0\u500d\u7b49\u95ee\u9898.
5, ul \u6807\u7b7e\u5728 FF \u4e0b\u9762\u9ed8\u8ba4\u6709 list-style \u548c padding . \u6700\u597d\u4e8b\u5148\u58f0\u660e, \u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u9ebb\u70e6. (\u5e38\u89c1\u4e8e\u5bfc\u822a\u6807\u7b7e\u548c\u5185\u5bb9\u5217\u8868)
6, \u4f5c\u4e3a\u5916\u90e8 wrapper \u7684 div \u4e0d\u8981\u5b9a\u6b7b\u9ad8\u5ea6, \u6700\u597d\u8fd8\u52a0\u4e0a overflow: hidden.\u4ee5\u8fbe\u5230\u9ad8\u5ea6\u81ea\u9002\u5e94.
7, \u5173\u4e8e\u624b\u5f62\u5149\u6807. cursor: pointer. \u800chand \u53ea\u9002\u7528\u4e8e IE.<\/p>\n
1 \u9488\u5bf9firefox ie6 ie7\u7684css\u6837\u5f0f
\u73b0\u5728\u5927\u90e8\u5206\u90fd\u662f\u7528!important\u6765hack\uff0c\u5bf9\u4e8eie6\u548cfirefox\u6d4b\u8bd5\u53ef\u4ee5\u6b63\u5e38\u663e\u793a\uff0c
\u4f46\u662fie7\u5bf9!important\u53ef\u4ee5\u6b63\u786e\u89e3\u91ca\uff0c\u4f1a\u5bfc\u81f4\u9875\u9762\u6ca1\u6309\u8981\u6c42\u663e\u793a\uff01\u627e\u5230\u4e00\u4e2a\u9488
\u5bf9IE7\u4e0d\u9519\u7684hack\u65b9\u5f0f\u5c31\u662f\u4f7f\u7528\u201c*+html\u201d\uff0c\u73b0\u5728\u7528IE7\u6d4f\u89c8\u4e00\u4e0b\uff0c\u5e94\u8be5\u6ca1\u6709\u95ee\u9898\u4e86\u3002
\u73b0\u5728\u5199\u4e00\u4e2aCSS\u53ef\u4ee5\u8fd9\u6837\uff1a <\/p>\n
#1 { color: #333; } \/* Moz *\/
* html #1 { color: #666; } \/* IE6 *\/
*+html #1 { color: #999; } \/* IE7 *\/
\u90a3\u4e48\u5728firefox\u4e0b\u5b57\u4f53\u989c\u8272\u663e\u793a\u4e3a#333\uff0cIE6\u4e0b\u5b57\u4f53\u989c\u8272\u663e\u793a\u4e3a#666\uff0cIE7\u4e0b\u5b57\u4f53\u989c\u8272\u663e\u793a\u4e3a#999\u3002<\/p>\n
2 css\u5e03\u5c40\u4e2d\u7684\u5c45\u4e2d\u95ee\u9898
\u4e3b\u8981\u7684\u6837\u5f0f\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n
body {TEXT-ALIGN: center;}
#center { MARGIN-RIGHT: auto; MARGIN-LEFT: auto; }
\u8bf4\u660e\uff1a
\u9996\u5148\u5728\u7236\u7ea7\u5143\u7d20\u5b9a\u4e49TEXT-ALIGN: center;\u8fd9\u4e2a\u7684\u610f\u601d\u5c31\u662f\u5728\u7236\u7ea7\u5143\u7d20\u5185\u7684\u5185\u5bb9\u5c45\u4e2d\uff1b\u5bf9\u4e8eIE\u8fd9\u6837\u8bbe\u5b9a\u5c31\u5df2\u7ecf\u53ef\u4ee5\u4e86\u3002
\u4f46\u5728mozilla\u4e2d\u4e0d\u80fd\u5c45\u4e2d\u3002\u89e3\u51b3\u529e\u6cd5\u5c31\u662f\u5728\u5b50\u5143\u7d20\u5b9a\u4e49\u65f6\u5019\u8bbe\u5b9a\u65f6\u518d\u52a0\u4e0a\u201cMARGIN-RIGHT: auto;MARGIN-LEFT: auto; \u201d
\u9700\u8981\u8bf4\u660e\u7684\u662f\uff0c\u5982\u679c\u4f60\u60f3\u7528\u8fd9\u4e2a\u65b9\u6cd5\u4f7f\u6574\u4e2a\u9875\u9762\u8981\u5c45\u4e2d\uff0c\u5efa\u8bae\u4e0d\u8981\u5957\u5728\u4e00\u4e2aDIV\u91cc\uff0c\u4f60\u53ef\u4ee5\u4f9d\u6b21\u62c6\u51fa\u591a\u4e2adiv\uff0c
\u53ea\u8981\u5728\u6bcf\u4e2a\u62c6\u51fa\u7684div\u91cc\u5b9a\u4e49MARGIN-RIGHT: auto;MARGIN-LEFT: auto; \u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n
3 \u76d2\u6a21\u578b\u4e0d\u540c\u89e3\u91ca<\/p>\n
#box{ width:600px; \/\/for ie6.0- width:500px; \/\/for ff+ie6.0}
#box{ width:600px!important \/\/for ff width:600px; \/\/for ff+ie6.0 width \/**\/:500px; \/\/for ie6.0-} <\/p>\n
4 \u6d6e\u52a8ie\u4ea7\u751f\u7684\u53cc\u500d\u8ddd\u79bb<\/p>\n
#box{ float:left; width:100px; margin:0 0 0 100px; \/\/\u8fd9\u79cd\u60c5\u51b5\u4e4b\u4e0bIE\u4f1a\u4ea7\u751f200px\u7684\u8ddd\u79bb display:inline; \/\/\u4f7f\u6d6e\u52a8\u5ffd\u7565}
\u8fd9\u91cc\u7ec6\u8bf4\u4e00\u4e0bblock,inline\u4e24\u4e2a\u5143\u7d20,Block\u5143\u7d20\u7684\u7279\u70b9\u662f:\u603b\u662f\u5728\u65b0\u884c\u4e0a\u5f00\u59cb,\u9ad8\u5ea6,\u5bbd\u5ea6,\u884c\u9ad8,\u8fb9\u8ddd\u90fd\u53ef\u4ee5\u63a7\u5236(\u5757\u5143\u7d20);Inline\u5143\u7d20\u7684\u7279\u70b9\u662f:\u548c\u5176\u4ed6\u5143\u7d20\u5728\u540c\u4e00\u884c\u4e0a,…\u4e0d\u53ef\u63a7\u5236(\u5185\u5d4c\u5143\u7d20);<\/p>\n
#box{ display:block; \/\/\u53ef\u4ee5\u4e3a\u5185\u5d4c\u5143\u7d20\u6a21\u62df\u4e3a\u5757\u5143\u7d20 display:inline; \/\/\u5b9e\u73b0\u540c\u4e00\u884c\u6392\u5217\u7684\u7684\u6548\u679c diplay:table;<\/p>\n
IE\u4e0d\u8ba4\u5f97min-\u8fd9\u4e2a\u5b9a\u4e49\uff0c\u4f46\u5b9e\u9645\u4e0a\u5b83\u628a\u6b63\u5e38\u7684width\u548cheight\u5f53\u4f5c\u6709min\u7684\u60c5\u51b5\u6765\u4f7f\u3002\u8fd9\u6837\u95ee\u9898\u5c31\u5927\u4e86\uff0c\u5982\u679c\u53ea\u7528\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff0c
\u6b63\u5e38\u7684\u6d4f\u89c8\u5668\u91cc\u8fd9\u4e24\u4e2a\u503c\u5c31\u4e0d\u4f1a\u53d8\uff0c\u5982\u679c\u53ea\u7528min-width\u548cmin-height\u7684\u8bdd\uff0cIE\u4e0b\u9762\u6839\u672c\u7b49\u4e8e\u6ca1\u6709\u8bbe\u7f6e\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u3002
\u6bd4\u5982\u8981\u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\uff0c\u8fd9\u4e2a\u5bbd\u5ea6\u662f\u6bd4\u8f83\u91cd\u8981\u7684\u3002\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u8fd9\u6837\uff1a
#box{ width: 80px; height: 35px;}html>body #box{ width: auto; height: auto; min-width: 80px; min-height: 35px;}<\/p>\n
6 \u9875\u9762\u7684\u6700\u5c0f\u5bbd\u5ea6<\/p>\n
min-width\u662f\u4e2a\u975e\u5e38\u65b9\u4fbf\u7684CSS\u547d\u4ee4\uff0c\u5b83\u53ef\u4ee5\u6307\u5b9a\u5143\u7d20\u6700\u5c0f\u4e5f\u4e0d\u80fd\u5c0f\u4e8e\u67d0\u4e2a\u5bbd\u5ea6\uff0c\u8fd9\u6837\u5c31\u80fd\u4fdd\u8bc1\u6392\u7248\u4e00\u76f4\u6b63\u786e\u3002\u4f46IE\u4e0d\u8ba4\u5f97\u8fd9\u4e2a\uff0c
\u800c\u5b83\u5b9e\u9645\u4e0a\u628awidth\u5f53\u505a\u6700\u5c0f\u5bbd\u5ea6\u6765\u4f7f\u3002\u4e3a\u4e86\u8ba9\u8fd9\u4e00\u547d\u4ee4\u5728IE\u4e0a\u4e5f\u80fd\u7528\uff0c\u53ef\u4ee5\u628a\u4e00\u4e2a<div> \u653e\u5230 <body> \u6807\u7b7e\u4e0b\uff0c\u7136\u540e\u4e3adiv\u6307\u5b9a\u4e00\u4e2a\u7c7b\uff1a
\u7136\u540eCSS\u8fd9\u6837\u8bbe\u8ba1\uff1a
#container{ min-width: 600px; width:expression(document.body.clientWidth < 600? “600px”: “auto” );}
\u7b2c\u4e00\u4e2amin-width\u662f\u6b63\u5e38\u7684\uff1b\u4f46\u7b2c2\u884c\u7684width\u4f7f\u7528\u4e86Javascript\uff0c\u8fd9\u53ea\u6709IE\u624d\u8ba4\u5f97\uff0c\u8fd9\u4e5f\u4f1a\u8ba9\u4f60\u7684HTML\u6587\u6863\u4e0d\u592a\u6b63\u89c4\u3002\u5b83\u5b9e\u9645\u4e0a\u901a\u8fc7Javascript\u7684\u5224\u65ad\u6765\u5b9e\u73b0\u6700\u5c0f\u5bbd\u5ea6\u3002<\/p>\n
7 \u6e05\u9664\u6d6e\u52a8<\/p>\n
.hackbox{ display:table; \/\/\u5c06\u5bf9\u8c61\u4f5c\u4e3a\u5757\u5143\u7d20\u7ea7\u7684\u8868\u683c\u663e\u793a}\u6216\u8005.hackbox{ clear:both;}
\u6216\u8005\u52a0\u5165:after\uff08\u4f2a\u5bf9\u8c61\uff09,\u8bbe\u7f6e\u5728\u5bf9\u8c61\u540e\u53d1\u751f\u7684\u5185\u5bb9\uff0c\u901a\u5e38\u548ccontent\u914d\u5408\u4f7f\u7528\uff0cIE\u4e0d\u652f\u6301\u6b64\u4f2a\u5bf9\u8c61\uff0c\u975eIe \u6d4f\u89c8\u5668\u652f\u6301\uff0c
\u6240 \u4ee5\u5e76\u4e0d\u5f71\u54cd\u5230IE\/WIN\u6d4f\u89c8\u5668\u3002\u8fd9\u79cd\u7684\u6700\u9ebb\u70e6\u7684……#box:after{ content: “.”; display: block; height: 0; clear: both; visibility: hidden;} <\/p>\n
8 DIV\u6d6e\u52a8IE\u6587\u672c\u4ea7\u751f3\u8c61\u7d20\u7684bug<\/p>\n
\u5de6\u8fb9\u5bf9\u8c61\u6d6e\u52a8\uff0c\u53f3\u8fb9\u91c7\u7528\u5916\u8865\u4e01\u7684\u5de6\u8fb9\u8ddd\u6765\u5b9a\u4f4d\uff0c\u53f3\u8fb9\u5bf9\u8c61\u5185\u7684\u6587\u672c\u4f1a\u79bb\u5de6\u8fb9\u67093px\u7684\u95f4\u8ddd.<\/p>\n
#box{ float:left; width:800px;}#left{ float:left; width:50%;}#right{ width:50%;}*html #left{ margin-right:-3px; \/\/\u8fd9\u53e5\u662f\u5173\u952e}
HTML\u4ee3\u7801<div id=”box”> <div id=”left”><\/div> <div id=”right”><\/div><\/div><\/p>\n
9 \u5c5e\u6027\u9009\u62e9\u5668(\u8fd9\u4e2a\u4e0d\u80fd\u7b97\u662f\u517c\u5bb9,\u662f\u9690\u85cfcss\u7684\u4e00\u4e2abug)<\/p>\n
p[id]{}div[id]{}
\u8fd9\u4e2a\u5bf9\u4e8eIE6.0\u548cIE6.0\u4ee5\u4e0b\u7684\u7248\u672c\u90fd\u9690\u85cf,FF\u548cOPera\u4f5c\u7528
\u5c5e\u6027\u9009\u62e9\u5668\u548c\u5b50\u9009\u62e9\u5668\u8fd8\u662f\u6709\u533a\u522b\u7684,\u5b50\u9009\u62e9\u5668\u7684\u8303\u56f4\u4ece\u5f62\u5f0f\u6765\u8bf4\u7f29\u5c0f\u4e86,\u5c5e\u6027\u9009\u62e9\u5668\u7684\u8303\u56f4\u6bd4\u8f83\u5927,\u5982p[id]\u4e2d,\u6240\u6709p\u6807\u7b7e\u4e2d\u6709id\u7684\u90fd\u662f\u540c\u6837\u5f0f\u7684.<\/p>\n
10 IE\u6349\u8ff7\u85cf\u7684\u95ee\u9898<\/p>\n
\u5f53div\u5e94\u7528\u590d\u6742\u7684\u65f6\u5019\u6bcf\u4e2a\u680f\u4e2d\u53c8\u6709\u4e00\u4e9b\u94fe\u63a5\uff0cDIV\u7b49\u8fd9\u4e2a\u65f6\u5019\u5bb9\u6613\u53d1\u751f\u6349\u8ff7\u85cf\u7684\u95ee\u9898\u3002
\u6709\u4e9b\u5185\u5bb9\u663e\u793a\u4e0d\u51fa\u6765\uff0c\u5f53\u9f20\u6807\u9009\u62e9\u8fd9\u4e2a\u533a\u57df\u662f\u53d1\u73b0\u5185\u5bb9\u786e\u5b9e\u5728\u9875\u9762\u3002
\u89e3\u51b3\u529e\u6cd5\uff1a\u5bf9#layout\u4f7f\u7528line-height\u5c5e\u6027 \u6216\u8005\u7ed9#layout\u4f7f\u7528\u56fa\u5b9a\u9ad8\u548c\u5bbd\u3002\u9875\u9762\u7ed3\u6784\u5c3d\u91cf\u7b80\u5355\u3002<\/p>\n
11 \u9ad8\u5ea6\u4e0d\u9002\u5e94<\/p>\n
\u9ad8\u5ea6\u4e0d\u9002\u5e94\u662f\u5f53\u5185\u5c42\u5bf9\u8c61\u7684\u9ad8\u5ea6\u53d1\u751f\u53d8\u5316\u65f6\u5916\u5c42\u9ad8\u5ea6\u4e0d\u80fd\u81ea\u52a8\u8fdb\u884c\u8c03\u8282\uff0c\u7279\u522b\u662f\u5f53\u5185\u5c42\u5bf9\u8c61\u4f7f\u7528
margin \u6216paddign \u65f6\u3002
\u4f8b\uff1a
<div id=”box”>
<p>p\u5bf9\u8c61\u4e2d\u7684\u5185\u5bb9<\/p>
<\/div>
CSS\uff1a#box {background-color:#eee; }
#box p {margin-top: 20px;margin-bottom: 20px; text-align:center; }
\u89e3\u51b3\u65b9\u6cd5\uff1a\u5728P\u5bf9\u8c61\u4e0a\u4e0b\u5404\u52a02\u4e2a\u7a7a\u7684div\u5bf9\u8c61CSS\u4ee3\u7801\uff1a.1{height:0px;overflow:hidden;}\u6216\u8005\u4e3aDIV\u52a0\u4e0aborder\u5c5e\u6027\u3002<\/p>\n
\/*IE\u4e0eFirefox\u7684CSS\u517c\u5bb9\u5927\u5168*\/
1.DOCTYPE \u5f71\u54cd CSS \u5904\u7406 <\/p>\n
2.FF: div \u8bbe\u7f6e margin-left, margin-right \u4e3a auto \u65f6\u5df2\u7ecf\u5c45\u4e2d, IE \u4e0d\u884c <\/p>\n
3.FF: body \u8bbe\u7f6e text-align \u65f6, div \u9700\u8981\u8bbe\u7f6e margin: auto(\u4e3b\u8981\u662f margin-left,margin-right) \u65b9\u53ef\u5c45\u4e2d <\/p>\n
4.FF: \u8bbe\u7f6e padding \u540e, div \u4f1a\u589e\u52a0 height \u548c width, \u4f46 IE \u4e0d\u4f1a, \u6545\u9700\u8981\u7528 !important \u591a\u8bbe\u4e00\u4e2a height \u548c width <\/p>\n
5.FF: \u652f\u6301 !important, IE \u5219\u5ffd\u7565, \u53ef\u7528 !important \u4e3a FF \u7279\u522b\u8bbe\u7f6e\u6837\u5f0f <\/p>\n
6.div \u7684\u5782\u76f4\u5c45\u4e2d\u95ee\u9898: vertical-align:middle; \u5c06\u884c\u8ddd\u589e\u52a0\u5230\u548c\u6574\u4e2aDIV\u4e00\u6837\u9ad8 line-height:200px; \u7136\u540e\u63d2\u5165\u6587\u5b57\uff0c\u5c31\u5782\u76f4\u5c45\u4e2d\u4e86\u3002\u7f3a\u70b9\u662f\u8981\u63a7\u5236\u5185\u5bb9\u4e0d\u8981\u6362\u884c <\/p>\n
7.cursor: pointer \u53ef\u4ee5\u540c\u65f6\u5728 IE FF \u4e2d\u663e\u793a\u6e38\u6807\u624b\u6307\u72b6\uff0c hand \u4ec5 IE \u53ef\u4ee5 <\/p>\n
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