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<html>
<head>
<title>A Scoping Example</title>
<script type = "text/javascript">
<!--
var x = 1; //global variables
var y = 4;
function start()
{
var x = 9; //local variables
var z = 2;
document.writeln( "values are " + x + y + z);
Junk(); // call the function Junk
document.writeln( "<p>values are " + x + y + z + "<p>");
Stuff();
document.writeln( "<p>values are " + x + y + z + "<p>");
}
function Junk()
{
var z = 6;
document.writeln( "<p>Jvalues are " + x + y + z + "<p>");
y++; // same as y = y + 1;
Stuff();
document.writeln( "<p>Jvalues are " + x + y + z + "<p>");
}
function Stuff()
{
var y = 7;
var z = 1;
document.writeln( "<p>Svalues are "+ x + y + z + "<p>");
x=x+2;
}
// -->
</script>
</head>
<body onload = "start()"></body>
</html>
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