Mega Code Archive
Implementation Example
<![CDATA[
<html>
<head>
<script language="JavaScript">
function function1() {
var m = document.implementation.hasFeature("HTML");
alert("Implementation value: "+m);
}
</script>
</head>
<body>
<input type="button" value="Click here" onClick="function1();">
</body>
</html>
]]>