"I've tried out a few of the popular HTML5 frameworks over the last few years, and Phaser is my current favorite. It's got everything you're likely to need (sprites, tilemaps, sound, animation, canvas/webgl, etc), a very active community (20 releases in the last 10 months), and an extensive suite of examples (over 160 playable demos).
A 20 minute conference talk isn't enough time to show off everything, but my hope is to give you a tour of Phaser's features that you're most likely to care about if you're interested in making games with JS. I want to leave you with enough familiarity that you'll feel comfortable starting your first game, and excited by the possibilities."
