jQuery function execute on Button Click and Enter/Return (key)

Question

I\'m trying to create a little search box that allows you to search Twitter based on the keyword you enter in the input field. While it\'s work, it only works if you press the S

Answer 1

EDIT: As Spudley suggested "one of the main points of using jQuery is to stop you having to use event triggers embedded in the HTML markup" so a better solution would be

OR - Previous proposal: