javascript应用：Iframe自适应其加载的内容高度

时间:2020-05-12 人气:0

main.htm:

<html>
    <head>
       <meta  http-equiv='Content-Type'  content='text/html;  charset=gb2312'>
       <meta  name='author'  content='F.R.Huang(meizz梅花雪)//www.meizz.com'>
       <title>iframe自适应加载的页面高度</title>
    </head>

    <body>
        <iframe src="child.htm"></iframe>
    </body>
</html>

child.htm:
<html>
<head>
   <meta  http-equiv='Content-Type'  content='text/html;  charset=gb2312'>
   <meta  name='author'  content='F.R.Huang(meizz梅花雪)//www.meizz.com'>
   <title>iframe  自适应其加载的网页(多浏览器兼容)</title>
   <script  language=javascript>
   function iframeAutoFit()
   {
      try
      {
         if(window!=parent)
         {
          var a = parent.document.getElementsByTagName("IFRAME");
            for(var i=0; i<a.length; i++) //author:meizz
            {
               if(a[i].contentWindow==window)
               {
                   var h = document.body.scrollHeight;
                   if(document.all) {h += 4;}
                   if(window.opera) {h += 1;}
                   a[i].style.height = h;
               }
            }
         }
      }
      catch (ex)
      {
         alert("脚本无法跨域操作！");
      }
   }
   if(document.attachEvent)  window.attachEvent("onload",  iframeAutoFit);
   else  window.addEventListener('load',  iframeAutoFit,  false);
   </script>
</head>
<body>
   <div  style="width:  200;  height:  400;  background-color:  yellow">
       iframe  自适应其加载的网页(多浏览器兼容)
   </div>
</body>
</html>

加载全部内容