Developing a JavaScript Game Engine

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Component based architecture: game , service, entity, component
Input component : poll from service
Events: load, error
promise??
Loading content: http is pretty tolerant, but sever only serve so many simuliously. Xmlhttprequest2,
Preload every thing: fine for small title
Load levels. Stream all of it.
Caching: browser, appcache, locals storage, filesystem,
FilesystemAPI: sandbox.
User interface: DOM
IDE: we kit for chrome, Firefox.http://www.universalmind.com/mindshare/entry/html5-debugging-webkit-web-inspector

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