Obtain form input fields using jQuery?

$('#myForm').submit(function() {
    // get all the inputs into an array.
    var $inputs = $('#myForm :input');

    // not sure if you wanted this, but I thought I'd add it.
    // get an associative array of just the values.
    var values = {};
    $inputs.each(function() {
        values[this.name] = $(this).val();
    });

});

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Thanks to the tip from Simon_Weaver, here is another way you could do it, using serializeArray:

var values = {};
$.each($('#myForm').serializeArray(), function(i, field) {
    values[field.name] = field.value;
});

Note that this snippet will fail on <select multiple> elements.

It appears that the new HTML 5 form inputs don’t work with serializeArray in jQuery version 1.3. This works in version 1.4+