How to select an element according a value

Question

HowI can select an element according a value? for example I want to select an input in RadiobuttonList control that has value=2.

thanks

Answer 1

$('#{id of RadiobuttonList} input[value="2"]').attr('checked', 'checked')

or for jQuery 1.6+:

$('#{id of RadiobuttonList} input[value="2"]').prop('checked', true)