兼容IE和FireFox的iframe 自动高度脚本

iframe name="mainframe" id="mainframe" src="" onload="this.height =document.frames['mainframe'].document.body.scrollHeight" border="0" marginheight="0" marginwidth="0" frameborder="0" scrolling="no" width="732"></iframe>这种方法只能在ie上面有用,在firefox中并不支持,因此我做了一个兼容IE和FireFox的iframe 自动高度脚本和大家分享!

 

 

<html>
<head>
<title>兼容IE和FireFox的iframe 自动高度脚本</title>
<link href="/zbh/css/style.css" rel="stylesheet" type="text/css" />
<link rel="Shortcut Icon" href="/share/pic/logo.ico">
<link rel="Bookmark" href="/share/pic/logo.ico">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

</head>

<script> 

var FFextraHeight = 0;
 if(window.navigator.userAgent.indexOf("Firefox")>=1)
 {
  FFextraHeight = 16;
  }
 function ReSizeiFrame(iframe)
 {
   if(iframe && !window.opera)
   {
     iframe.style.display = "block";
      if(iframe.contentDocument && iframe.contentDocument.body.offsetHeight)
      {
        iframe.height = iframe.contentDocument.body.offsetHeight + FFextraHeight;
      }
      else if (iframe.Document && iframe.Document.body.scrollHeight)
      {
        iframe.height = iframe.Document.body.scrollHeight;
        alert(iframe.Document.body.scrollHeight);
      }
   }
 }

</script>

<iframe name="mainframe" id="mainframe" src="/share/aa.html" onload="ReSizeiFrame(this)" border="0" marginheight="0" marginwidth="0" frameborder="0" scrolling="no" width="732"></iframe>
    
 </body>

</html>

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