How to trigger the enter keypress

Question

I need to know how to trigger an enter key on an input. That is, in response to some other event (not a keypress), I need to trigger a keypress of value 13.

(Clarif

Answer 1

 var e = $.Event( "keyup", { keyCode: 13 } );
    $('#yourInput').trigger(e);

Worked for me, instead of 'which', I used 'keyCode'