<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
var strings = ['1','2','3','4','S','6'];
var values = $.map(strings,function(value){
var result = new Number(value);
return isNaN(result) ? null : result;
});
alert(values);
var values = ['this','that','other thing'];
$.map(values,function(value){
return value.split('');
})
alert(values);
});
</script>
</head>
<body>
<body>
<p id="followMe">Follow me!</p>
</body>
</html>