Understanding JavaScript - Resource

Question

Using the tiny Diggit/Blog feature of StackOverflow described here:

I would like to post the following Google tech talk video I have just saw and that I found q

Answer 1

The hard part about javascript, in my opinion, is:

1. Cross browser development/debugging issues
2. Cross browser dom/model issues (event bubbling, etc...)
3. Lack of "classes" (subjective)
4. Lack of good solid debugging support in browsers

Firebug helps a lot for FireFox, but I have not found anything that good for IE - and the mere fact that one has to is difficult.

On the bright side, if you build a script from the ground up and understand each step, it can be really enjoyable and powerful.