optimize
Merge remote-tracking branch 'origin/develop' into optimizeForMobileBrowser
optimize
optimize
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into optimizeForMobileBrowser
Merge remote-tracking branch 'origin/master' into optimizeForMobileBrowser
Merge remote-tracking branch 'origin/develop' into optimizeForMobileBrowser
fixed #2452:optimize javascript code
fixed #2452:optimize javascript code
Merge pull request #1041 from ShengxiangChen/optimizeForMobileBrowser

fixed #2452:Optimize for mobile browser