via http://www.emucr.com/

IodineGBA Git (2014/08/26) is released. IodineGBA is a GameBoy Advance emulator that utilizes HTML5 canvas and JavaScript audio APIs to provide a full emulation of the console.

IodineGBA Git Changelog:
- Optimization
undefined/unused read/write paths optimized.
- typo fix
Why the **** were we calling new on this function?
- minor
- Optimizing Sprite Rendering
Make some VRAM fetching happen in 32 bit units. Update some code to use
bitops to force typing.
- minor function name change
- Inline some calls
- Converting IO/32 Read VTable to switch
- Convert IO/32 write VTable to inlined switch

http://grantgalitz.github.io/IodineGBA/