Hi Ricardo! Many thanks for the help on this one! Thanks to all of you! :)
> That's not something you should worry about unless dealing with > thousands of non-existing elements. Looking for 100 inexistent IDs in > a page takes less than 10ms - that time increases considerably for > other selectors. Oh, wow! ~10ms, good to know. I was not sure how many lookups was too many... Additionally, thanks for the warning... I will be sure to use more ID's in my jQuery. > But that doesn't mean it's the right way to code it. You should have > each page run only the functions it needs, if they can't be fired by > an event you can test the window.location property to identify the Ah, interesting! Great tip. :) > page, or use a function call in each page's head. In the end you're > not going to only look for the element, your code will try to run all > the subsequent operations on the non-existent element. For best Definitely! More excellent advice. > performance your code blocks should be called depending on your > website/application's state, not blindly on every page load. Thanks Ricardo! Looks like I have a long day ahead of me optimizing my current JS file! :D As I am learning to write better jQuery, I want to be sure I do not pick-up any bad habits. This list has been a life saver. Thanks all! Cheers, Micky
