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Pass Parameter to Custom jQuery Function

Answer 1

+2 A:

You should add another function:

$("#weight").change(function(){
      onSelectChange($('#weight').val());
}); //close the anonymous function

Note that in your original code you've passed onSelectChange as a reference, you didn't start it - onSelectChange(). With the code as it is, you start the function once instead of binding it.

Kobi 2010-09-15 15:40:20

ty! Very similar to Mike Robinson's answer. I marked yours because of the explantion, thanks again!

jriggs 2010-09-15 16:20:48

Answer 2

+3 A:

Try this:

$("#weight").change(function(){
 onSelectChange($(this).val());
});

Mike Robinson 2010-09-15 15:41:08

Answer 3

+1 A:

You were calling a function within another function, so I think that if you amend your code to the following it should work okay (assuming your onSelectChange() function works properly:

$(document).ready(function() { 
    $("#weight").change(
        function() {
            $(this).onSelectChange($('#weight').val()));
        }
    );
});

David Thomas 2010-09-15 15:41:15

Answer 4

+1 A:

You can't do that, the onSelectChange gets called by jQuery's change function so it chooses what params to pass.

In your case however, this is simple, jQuery will bind 'this' to the item that you've applied that event handler to, so you can reference that value in your onSelectChange using:

$(this).val();

brad 2010-09-15 15:41:19

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Pass Parameter to Custom jQuery Function

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