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我想在iframe中动态设置head标签内的样式，以便在加载iframe本身时设置iframe正文上的类 ，比如我想应用ze_edit class iframe if this body :: ---在设置innerhtml时出现IE未知运行时错误
<head>
<style type="text/css">
.ze_edit{font-family:Verdana,arial,Helvetica,sans-serif;font-size:12px;}
</style>
</head>
<body class = "ze_edit">
</body>
以下是样本测试文件的完整代码。
<html>
<head>
<script>
test = function()
{
var _style,
_iframe,
_doc,
_head,
ff,
fs;
ff = "georgia,times new roman,times,serif";
fs = "30pt"
_doc = document;
_iframe = _doc.getElementsByTagName("iframe")[0];
_iframe.contentWindow.document.designMode="on";
_style = _doc.createElement("style");
_style.type = "text/css";
_style.innerHTML = ".eclass{font-family:"+ff+";font-size:"+fs+"}";
_head = _iframe.contentWindow.document.getElementsByTagName("head")[0];
_head.appendChild(_style);
_iframe.contentWindow.document.body.className = "eclass";
}
</script>
</head>
<body>
This is a just a test
<iframe onload ="test()">
satyam
</iframe>
</body>
</html>
但这脚本在这条线抛出错误 “未知的运行错误” “* _style.innerHTML =” .eclass {字体家庭： “+ FF +”;字体大小：“+ FS + “} *”; “in IE。 此任何解决方法..