We would like to know how to check is a value a function.
<!--from w w w.j a va2s.c o m-->
<html>
<head>
<script type="text/javascript" src='http://code.jquery.com/jquery-1.5.2.js'></script>
<script type="text/javascript">
$(document).ready(function(){
function stub() {}
console.log($.isFunction(stub) );
});
</script>
</head>
</html>
The code above is rendered as follows: