How to write fixed for ie6 ie7 ie8 ff compatible?_html/css

How to write fixed for ie6 ie7 ie8 ff compatible?_html/css_WEB-ITnose

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Release： 2016-06-24 12:26:25

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How to write ie6 ie7 ie8 ff compatible with fixed?

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gbk" /><title>IE6 position:fixed</title><style type="text/css">* { margin:0; padding:0;}#content{ height:2000px; }#a{ position:fixed; bottom:0; right:0; width:200px; height:60px; background:#F00;}/*IE6 fixed bug*/* html{overflow:hidden;}* html body{height:100%;overflow:auto;}* html #a{position:absolute;right:18px;}</style></head><body><div id="content">IE6 position:fixed</div><div id="a">IE6 position:fixed</div></body></html>

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<!DOCTYPE HTML><html>	<head>		<meta charset="gb2312" />		<title></title>		<style>			body {				height:1200px;			}			.floatDIV {				width:100px; height:100px;				background:#ddd;								top:100px; right:10px;								/* not ie6 */				position:fixed;								/* ie6 */				_position:absolute;				_top:expression(documentElement.scrollTop + 100);			}			html {				_background:url(about:blank); /* 阻止闪动 in IE6,把空文件换成about:blank,减少请求 */			}		</style>			</head>	<body>		<div class="floatDIV">			123		</div>	</body></html>

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Compatible with IE6/IE7/IE8/IE9/Firefox/Chrome/Safari/Oprea browser floating code

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><style type="text/css">html,body{margin:0;padding:0;}#y1 {position:fixed;top:0;left:0;width:100px;height:100px;border:1px solid red;}#y2 {position:fixed;top:0;right:0;width:100px;height:100px;border:1px solid red;}#y3 {position:fixed;bottom:0;left:0;width:100px;height:100px;border:1px solid red;}#y4 {position:fixed;bottom:0;right:0;width:100px;height:100px;border:1px solid red;}</style><!--[if lte IE 6]><style>#y1 {position:absolute;}#y2 {position:absolute;}#y3 {position:absolute;}#y4 {position:absolute;}</style><![endif]--> <script type="text/javascript">  //以下所有脚本只为IE6写，其他浏览器完全可以删除。  function getViewportScrollX() {    var scrollX = 0;    if (document.documentElement && document.documentElement.scrollLeft) {      scrollX = document.documentElement.scrollLeft;    }    else if (document.body && document.body.scrollLeft) {      scrollX = document.body.scrollLeft;    }    else if (window.pageXOffset) {      scrollX = window.pageXOffset;    }    else if (window.scrollX) {      scrollX = window.scrollX;    }    return scrollX;  }   function getViewportScrollY() {    var scrollY = 0;    if (document.documentElement && document.documentElement.scrollTop) {      scrollY = document.documentElement.scrollTop;    }    else if (document.body && document.body.scrollTop) {      scrollY = document.body.scrollTop;    }    else if (window.pageYOffset) {      scrollY = window.pageYOffset;    }    else if (window.scrollY) {      scrollY = window.scrollY;    }    return scrollY;  }   function getViewportWidth() {    var width = 0;    if (document.documentElement && document.documentElement.clientWidth) {      width = document.documentElement.clientWidth;    }    else if (document.body && document.body.clientWidth) {      width = document.body.clientWidth;    }    else if (window.innerWidth) {      width = window.innerWidth - 18;    }    return width;  }   function getViewportHeight() {    var height = 0;    if (window.innerHeight) {      height = window.innerHeight - 18;    }    else if (document.documentElement && document.documentElement.clientHeight) {      height = document.documentElement.clientHeight;    }    else if (document.body && document.body.clientHeight) {      height = document.body.clientHeight;    }    return height;  }   if (navigator.userAgent.indexOf("MSIE 6") > -1 && navigator.userAgent.indexOf("MSIE 7") == -1 && navigator.userAgent.indexOf("MSIE 8") == -1) {    window.ononload = window.onscroll = window.onresize = function (e) {      var t = getViewportScrollY();      var l = getViewportScrollX();      var w = getViewportWidth();      var h = getViewportHeight();      document.getElementById("y1").style.left = l + "px";      document.getElementById("y1").style.top = t + "px";       document.getElementById("y2").style.left = l + w - document.getElementById("y2").offsetWidth + "px";      document.getElementById("y2").style.top = t + "px";       document.getElementById("y3").style.left = l + "px";      document.getElementById("y3").style.top = t + h - document.getElementById("y2").offsetHeight + "px";       document.getElementById("y4").style.left = l + w - document.getElementById("y2").offsetWidth + "px";      document.getElementById("y4").style.top = t + h - document.getElementById("y2").offsetHeight + "px";    }  }</script></head><body><div id="y1">左上角位置的内容</div><div id="y2">右上角位置的内容</div><div id="y3">左下角位置的内容</div><div id="y4">右下角位置的内容</div><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p><p>a</p></body></html>

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