Khan Academy’s free educational videos have been viewed 178 million times on YouTube. Now they’ve launched a “Computer Science” program that teaches kids and adults how to handle JavaScript; that’s the computer language that dominates the Web. If you think this is too technical, you’d be missing something that turns out to be a lot of fun. Early lessons teach you to manipulate a snowman, changing the color of the sky, the ground, his nose, his buttons, and even the color of the snow. After the snowman, you move on to controlling Pac-Man figures.
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