Hey - yeah, "Ω500" https://github.com/mrspeaker/Omega500/ is the name for my library/engine thing that I use for game jams. I just wrote it because you have to publicly release any code you use for Ludum Dare before each competition. Several Ludum-Dares later and it's getting pretty good (for me, anyway! I made this game in about 8 hours over the weekend). Though the audio support is very very straight-forward: it's not tough at all if you're only targeting modern browsers.
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Hey - yeah, "Ω500" https://github.com/mrspeaker/Omega500/ is the name for my library/engine thing that I use for game jams. I just wrote it because you have to publicly release any code you use for Ludum Dare before each competition. Several Ludum-Dares later and it's getting pretty good (for me, anyway! I made this game in about 8 hours over the weekend). Though the audio support is very very straight-forward: it's not tough at all if you're only targeting modern browsers.
All the code for the game is in the /ex directory: https://github.com/mrspeaker/Omega500/tree/master/ex/flapjam
If you're looking for a more mature library I'd look at Pixi.js for pure rendering awesomeness, or Impact.js for a great full-fledged engine.