Jquery $(window).height() function does not return actual window height

Question

I have a page that I need to dynamically load ajax content when the user scrolls to the bottom. The problem is that JQuery is not returning the correct window height. I have

Answer 1

Since jquery (and dom in general) is not calculating sizes correctly in quirksmode, two solutions:

1. Add doctype html at the top of your page (like mentioned in "correct" answer), or
2. Use window.innerHeight, window.innerWidth if first option is not an option.

Hope it helps.