how to add an input parameter to a form using jQuery

Question

 $('form').submit(function(){
            this.action="http://www.sitename.com/post";
            return false;
        });

having altered the action attribute of the form ,i want to add one more input parameter to it how do i do that ?

Answer 1

Just append an input element:

$('form').append('<input type="hidden" name="newParam" value="Hello" />');