Playing with ECMAScript 4
Say you want to start playing around with the new ECMAScript 4 syntax, getting a feel for the code and the features that'll be included (which is what I've been doing lately). Here a short screencast that shows you some ways that you can go about doing that.
Click video to begin (8:40 Minutes long, 11MB):
Download: Right-click this link and select Save As… in order to download a copy of your own. (11MB)