We can easily track our code in Java Script by writing text messages to the Java Script console. The following code sample shows how to do it.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title></title>
<script type="text/javascript">
var sum = 0;
for(i=1; i<=10; i++)
{
sum+=i;
console.log("i="+i);
console.log("sum="+sum);
}
document.write("sum="+sum);
</script>
</head>
<body>
</body>
</html>
The following video clip explains the code sample When using Firefox there is a need in installing the Firebug extension.
