Find out the difference between primitive wrapper constructor vs casting function in JavaScript
Description
The following code shows how to find out the difference between primitive wrapper constructor vs casting function.
Example
<!-- w w w . j ava 2 s. c o m-->
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
var value = "25";
var number = Number(value); //casting function
document.writeln(typeof number); //"number"
var obj = new Number(value); //constructor
document.writeln(typeof obj); //"object"
</script>
</head>
<body>
</body>
</html>
The code above generates the following result.
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