What is the jQuery equivalent of the Prototype function .activate()

Question

Prototype's activate function

Gives focus to a form control and selects its contents if it is a text input

according to the Prototype website. i.e.

$('my_element_id').activate();

What is the equivalent function in jQuery?

Answer 1

$('#my_element_id').focus();

which is a shortcut for

$('#my_element_id').trigger('focus');

http://api.jquery.com/focus/

Answer 2

$('my_element_id').focus();