Javascript hoisting example
<head>
<title>Hoisting example</title>
</head>
<body>
<h1>Hoisting in action</h1>
<script type="application/javascript">
var hoisting = "global variable";
(function(){
confirm("\"" + hoisting + "\"" + " click OK" );
var hoisting = "local variable";
alert(hoisting);
})(); //self-executing function
//Best practice - declare local variables at the beginning of the function
</script>
</body>
