<html>
<body>
<script language="JavaScript"> function function1() {
var range = document.all.myP.firstChild;
var m = range.substringData(5, 10);
alert(m);
}
</script>
<p id="myP">This is a sample text.</p>
<input type="button" value='Extract data from 5 to 10' onclick="function1();">
</body>
</html>