Program :
JavaScript
alert("Hello " + prompt("Enter your name :","Shiva") + " !");HTML
<?xml version="1.0" encoding="UTF-8" ?>
<body>
<script>
(function () {
alert("Hello " + prompt("Enter your name :","Shiva") + " !");
})();
</script>
</body>Output :
Enter your name : Shiva
Hello Shiva !