jquery - if ( keyCode == 13) allows all key values

Experts,

I'm trying to submit a form when the enter key is pressed.  This code executes when ANY key is pressed!

function onKeyUp(e) {
  if ( e.keyCode == 13)
     $(this).closest('form').submit();
}

I've also tried "code = (e.keyCode) ? e.keyCode : e.which;" to set the value.  The keyCode value is fine.

But e.keyCode == 77 slips right through the filter!

Any ideas?
Glen GibbOwnerAsked:
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leakim971PluritechnicianCommented:
with jQury you don't have to use : code = (e.keyCode) ? e.keyCode : e.which;

Check here :
http://api.jquery.com/event.which/

The event.which property normalizes event.keyCode and event.charCode.
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Glen GibbOwnerAuthor Commented:
Tnx for the speedy reply!
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