<html> 
<head> 
<title>Happy Codings :-) JavaScript Code Examples</title>

<title>History Object</title> 
<script type="text/javascript"> 
function showCount() { 
    var histCount = window.history.length; 
    if (histCount > 2) { 
        alert("You have been to " + histCount + " Web pages this session."); 
    } 
} 
</script> 
</head> 
<body> 
<form> 
<input type="button" name="activity" value="My Activity" onclick="showCount()" /> 
</form> 
</body> 
</html>