It has a very low barrier to entry, and it's not a bad first language. Also, while this has nothing to do with JavaScript per se, I'm reluctant to bet against John Resig.
Exactly. Just think how many people got started programming because BASIC was right there, and easy to get started with. JavaScript is a strictly better language, and I would bet that the Khan Academy guys are planning to make JS as instantly rewarding as BASIC was back in ancient times.
