Change Text Box Value Based on Select Input with Selected Attribute

Question

I am attempting to change the value of a text input based on the user selecting a value from a pulldown. I have got it working using the following,

Answer 1

Try this,

$(document).ready(function() {

    $("#name option").filter(function() {
        return $(this).val() == $("#firstname").val();
    }).attr('selected', true);

    $("#name").live("change", function() {

        $("#firstname").val($(this).find("option:selected").attr("value"));
    });
});

 
Please select... 
Elvis 
Frank 
Jim