<script language="javascript"> var str = '100'; var num = number(100); alert(typeof(num) + ': ' + num); var obj = object(str); alert(typeof(obj) + ': ' + obj); var bool = boolean(str); alert(typeof(bool) + ': ' + bool); var num = 100; var str = string(num); alert(typeof(str) + ': ' + str); var bool = boolean(num); alert(typeof(bool) + ': ' + bool); var obj = object(num); alert(typeof(obj) + ': ' + obj); var bool = true; var str = string(bool); alert(typeof(str) + ': ' + str); var num = number(bool); alert(typeof(num) + ': ' + num); var obj = object(bool); alert(typeof(obj) + ': ' + obj); var obj = {}; var str = string(obj); alert(typeof(str) + ': ' + str); var num = number(obj); alert(typeof(num) + ': ' + num); var bool = boolean(obj); alert(typeof(bool) + ': ' + bool); </script>