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HTML5 is a lot more than just a few cool new semantic tags. The HTML5 specification actually has a bunch of new JavaScript APIs for us all to work with. Not all of these specs are finalized and they’re not all widely implemented in browsers. That doesn’t necessarily mean that we can’t take advantage of them right now, though. Let’s look at a few of the ones that I’m most excited for and discuss if and how they can be used today.