Developers Manual > Cocos2d-JS > Release Notes and Upgrade Guides for Cocos2d-JS > Release Notes for Cocos2d-JS v30beta

Cocos2d-JS v3.0 beta release note

Cocos2d-JS is Cocos2d-x engine's javascript version which include Cocos2d-html5 and Cocos2d-x JavaScript Bindings. It support full Cocos2d-x features with a set of simplified javascript friendly APIs.

Cocos2d-JS provides a consistent development experience for whichever platform you want to distribute to, both web and native. "Code once, run everywhere" is incredibly easy and natural in Cocos2d-JS. With one single javascript code base, you can run your game on both web browsers and native platform including Mac OS, Windows, iOS, Android. This will bring your game great opportunities in almost all canals of distribution.

Furthermore, javascript friendly API makes your game development experience a breeze, easy to code, test and distribute. Cocos2d-JS also offers Cocos Console, a script tool, to simplify the creation of projects and let you start coding right away. You can use it to create a new project and publish it to android, iOS, Mac OS or web.

For more informations please see Cocos2d-JS github site



  • [Beta Feature] Added AssetManager for Cocos2d-x JSB asset hot updating, please refer to AssetManager document.
  • [Beta Feature] Enabled Baseline compiler of SpiderMonkey to boost the performance of JSB on Android, mostly it is really faster than Lua.
  • [Beta Feature] Integrated Spine skeleton animation feature.
  • [Beta Feature] Re-enable Plugin-x for third party SDK integration, please refer to Plugin-x Architecture, How to use plugin-x in android and How to write your own plugin for android.
  • [Beta Feature] Upgraded SpiderMonkey to v28.
  • [Beta Feature] Implemented reflexion from Javascript to JAVA static class functions.
  • [Beta Feature] Refactored actions to make it more friendly and easy-to-use, please refer to new actions API.

More information

Read more about all the new features at Cocos2d-JS v3.0 beta changelog and Cocos2d-JS v3.0 beta upgrade guide

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