Question

I use the following selector and function:

$("form[name='qc']:last-child").live("focus", newTextLine);

when the :last-child will change, will the .live still be listening to the old :last-child?

Answer 1

live (and delegate) tests the selector when the event happens. If the element is not the last child when it is clicked, the handler won’t be executed.

bind (and other methods that use it, such as click), by contrast, tests the selector at the time of the binding, not of the event.