Set select option 'selected', by value

Question

I have a select field with some options in it. Now I need to select one of those options with jQuery. But how can I do that when I only know the

Answer 1

a simple answer is, at html

    pilih ukuran
    M
    L
    XL

on jquery, call below function by button or whatever

$('#idUkuran').val(11).change();

it simple and 100% works, coz its taken from my work... :) hope its help..