点击.menu a让iframe 的scrolling属性显示或隐藏demo地址：
http://skyming.13.bname.us/question/iframe/iframe_scrolling.htmfirefox当点击google时可以显示iframe滚动条，但ie（我用的是ie6）下发现iframe 滚动条没显示出来，请问哪里除了问题？
<!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>
<title>iframe scrolling</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
function iframe_scrolling(){
$(".menu a").click(function(e){
$("#iframe").attr({"src":this.href});
e.preventDefault();
if(/google/.test(this.href)){
$("#iframe").attr("scrolling","yes");
}else{
$("#iframe").attr("scrolling","no");
}
});
}
$(function(){
iframe_scrolling();
});
</script>
</head>
<body>
<div class="menu">
<ul>
<li><a href="http://baidu.com">百度</a></li>
<li><a href="http://google.com">google</a></li>
</ul>
</div>
<iframe id="iframe" src="http://baidu.com" scrolling="no"></iframe>
</body>
</html>
http://skyming.13.bname.us/question/iframe/iframe_scrolling.htmfirefox当点击google时可以显示iframe滚动条，但ie（我用的是ie6）下发现iframe 滚动条没显示出来，请问哪里除了问题？
<!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>
<title>iframe scrolling</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
function iframe_scrolling(){
$(".menu a").click(function(e){
$("#iframe").attr({"src":this.href});
e.preventDefault();
if(/google/.test(this.href)){
$("#iframe").attr("scrolling","yes");
}else{
$("#iframe").attr("scrolling","no");
}
});
}
$(function(){
iframe_scrolling();
});
</script>
</head>
<body>
<div class="menu">
<ul>
<li><a href="http://baidu.com">百度</a></li>
<li><a href="http://google.com">google</a></li>
</ul>
</div>
<iframe id="iframe" src="http://baidu.com" scrolling="no"></iframe>
</body>
</html>
<!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>
<title>iframe scrolling</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
jQuery.fn.outerHTML = function(s) {
return (s)? this.before(s).remove():jQuery("<div>").append(this.eq(0).clone()).html();
}
function iframe_scrolling(){
$(".menu a").click(function(e){
e.preventDefault();
s = /google/.test(this.href)?"yes":"no";
$("#iframe").outerHTML("<iframe id=\"iframe\" src='" + this.href + "' scrolling='" + s + "'></iframe>")
});
}
$(function(){
iframe_scrolling();
});
</script>
</head>
<body>
<div class="menu">
<ul>
<li><a href="http://baidu.com">百度</a></li>
<li><a href="http://google.com">google</a></li>
</ul>
</div>
<iframe id="iframe" src="http://baidu.com" scrolling="no"></iframe>
</body>
</html>
我自己也写了个，ie下可以换，效果也不很好
<!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>
<title>iframe scrolling</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
// 检测浏览器
function detectBrower(){
var sUserAgent = navigator.userAgent;
var isOpera = sUserAgent.indexOf("Opera") > -1;
if(isOpera) return "Opera";
var isKHTML = sUserAgent.indexOf("KHTML") > -1 || sUserAgent.indexOf("Konqueror") > -1 || sUserAgent.indexOf("AppleWebKit") > -1;
var isSafari = sUserAgent.indexOf("AppleWebKit") > -1 && isKHTML;
var isKonq = sUserAgent.indexOf("Konqueror") > -1 && isKHTML;
if(isSafari) return "Safari";
if(isKonq) return "Konqueror";
var isIE = sUserAgent.indexOf("compatible") > -1 && sUserAgent.indexOf("MSIE") > -1 && !isOpera;
if(isIE) return "IE";
var isMoz = sUserAgent.indexOf("Gecko") > -1 && !isKHTML;
if(isMoz) return "Mozilla";
return "None";
}
var brower_type=detectBrower(); function iframe_scrolling(){
$(".menu a").click(function(e){
$("#iframe").attr({"src":this.href});
e.preventDefault();
if(/google/.test(this.href)){
$("#iframe").attr("scrolling","yes");
if(brower_type=="IE"){
$("#iframe").hide().after(
"<iframe id=\"iframe\" src=\"http://baidu.com\" scrolling=\"yes\"></iframe>"
);
$("#iframe").eq(0).remove();
}
}else{
$("#iframe").attr("scrolling","no");
if(brower_type=="IE"){
$("#iframe").hide().after(
"<iframe id=\"iframe\" src=\"http://baidu.com\" scrolling=\"no\"></iframe>"
);
$("#iframe").eq(0).remove();
}
}
});
}
$(function(){
iframe_scrolling();
});
</script>
</head>
<body>
<div class="menu">
<ul>
<li><a href="http://baidu.com">百度</a></li>
<li><a href="http://google.com">google</a></li>
</ul>
</div>
<iframe id="iframe" src="http://baidu.com" scrolling="no"></iframe>
</body>
</html>
<script type="text/javascript">
function iframe_scrolling(){
$(".menu a").click(function(e){
$("#iframe").replaceWith("<iframe id=\"iframe\" src=\"" + this.href + "\" scrolling=\"" +
(/google/.test(this.href) ? "yes" : "no") + "\"></iframe>");
e.preventDefault();
});
}
$(function(){
iframe_scrolling();
});
</script>