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iframe加载时的loading效果，兼容Firefox

2011-12-19 08:57 393 查看

<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>新建网页 1</title>
</head>
<body>
<div align="center" style="position: absolute; width: 100px; height: 100px; z-index: 1; left:158px; top:17px" id="load"><img src="http://sysimages.tq.cn/images/analysis_images/ajax-loader.gif" /> loading...</div>
<iframe style="visibility:hidden" onreadystatechange=stateChangeIE(this) onload=stateChangeFirefox(this) name="callframe" id="callframe" width="420" height="100" frameborder="0" scrolling="no" marginheight="0"></iframe>
<script>
function stateChangeIE(_frame)
{
if (_frame.readyState=="interactive")//state: loading ,interactive,   complete
{
var loader = document.getElementById("load");
loader.innerHTML      = "";
loader.style.display = "none";
_frame.style.visibility = "visible";
}
}
function stateChangeFirefox(_frame)
{
var loader = document.getElementById("load");
loader.innerHTML      = "";
loader.style.display = "none";
_frame.style.visibility = "visible";
}
callframe.location.href="http://www.hao123.com";
</script>
</body>
</html>

摘自：/article/2863176.html

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