Javascript hoisting example


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<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>
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