Demonstrate that variable defined without var keyword is globe scoped in JavaScript
Description
The following code shows how to demonstrate that variable defined without var keyword is globe scoped.
Example
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function add() {<!-- w ww . j a va2 s .c o m-->
color = 'blue';
}
document.writeln(color);//blue
</script>
</head>
<body>
</body>
</html>
The code above generates the following result.
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