<html>
<head>
<title>String Type Case Methods Example</title>
<script type="text/javascript">
var stringValue = "hello world";
alert(stringValue.toLocaleUpperCase()); //"HELLO WORLD"
alert(stringValue.toUpperCase()); //"HELLO WORLD"
alert(stringValue.toLocaleLowerCase()); //"hello world"
alert(stringValue.toLowerCase()); //"hello world"
</script>
</head>
<body>
</body>
</html>