Check if an image is loaded (no errors) with jQuery

Question

I\'m using JavaScript with the jQuery library to manipulate image thumbnails contained in a unordered list. When the image is loaded it does one thing, when an error occurs

Answer 1

Realtime network detector - check network status without refreshing the page: (it's not jquery, but tested, and 100% works:(tested on Firefox v25.0))

Code:

Again!

if connection lost just press the Again button.

Update 1: Auto detect without refreshing the page: