<html>
<body>
<script language="JavaScript"> function function1(){
var myRange1 = document.body.createTextRange();
var myRange2 = myRange1.duplicate();
alert(myRange1.isEqual(myRange2));
}
</script>
<p>This is some sample range used in comparison</p>
<button onclick="function1();">IsEqual</button>
</body>
</html>