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Simplest function

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/*
Javascript Essentials
by Jason J. Manger

Publisher: Mcgraw-Hill Osborne Media; 

ISBN: 0078822343
*/

<!--
  Program 3-13
-->
<html>
<head>
<script language="JavaScript">
<!--
function TestFunction() {
  var localVar = "Hello";
}
alert(localVar);
//-->
</script>
</head>
</html>

           
       
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