How to trigger the enter keypress

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

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

You can do this -

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

• http://api.jquery.com/category/events/event-object/
• http://api.jquery.com/trigger/