The charset property sets or returns the character encoding of the target URL.
linkObject.charset=character-encoding
The following example sets the character encoding of the target URL:
<html>
<head>
<link rel="stylesheet" type="text/css" id="style1"
href="try_dom_link.css" />
</head>
<body>
<script type="text/javascript">
x=document.getElementById("style1");
x.charset="ISO-8859-1";
document.write("Charset=" + x.charset);
</script>
</body>
</html>