In jQuery does the advanced CSS3 selection style work in all browsers?

Question

I'm watching a tutorial learning JQuery for the first time, and it seems you can select items using pretty much CSS, like:

$('ul li:nth-child(3)').addClass('biscuits');

Is that kind of selector going to work on all browsers, or just ones that support CSS 3 ?

Answer 1

It should work fine in all browsers JQuery actually supports.

Answer 2

It should work in all browsers - indeed, that is the main strength of jQuery :)