jQuery Validation plugin: how to check if an element is valid?

Question

A little bit of context:

I\'m using the jQuery Validation plugin to validate a sign-up form. I now want to implement an ajax call to check whether t

Answer 1

$("#userName").keyup(function () {
    if ($("#userName").valid() == true ) {
        //make ajax called
    }
});

http://docs.jquery.com/Plugins/Validation/valid

Note: To those who do not click the link. You have to call $("#myform").validate(); first.