Variable scope : Variable Definition « Language Basics « JavaScript DHTML

Variable scope

  
<html>
<head>
<script language="JavaScript">
<!--
var myVar = "Outside";
function testFunction() {
  var myVar = "Inside";
  alert("this.myVar: " + this.myVar);
  alert("myVar: " + myVar);
}
testFunction();
//-->
</script>
</head>
</html>

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