Modify POST vars before post, using jQuery

Question

I have a form, and a submit handler in jQuery.

When the user submits the form, I want to modify (add) some parameters to the POST request, before it is despatched fr

Answer 1

$("#frm").submit(function (e) {
    e.preventDefault();
    form = document.getElementById("frm"); //$("#frm")

    $.each(form.elements, function (i, el) {
        el.name = your_new_name;
        el.value = your_new_value;
        //... //el.type, el.id ...
    });

    form.submit();

    return true;
});