I already created a bug report on Github ( https://github.com/cocos2d/cocos2d-html5/issues/956 ), but half of my bug reports remains unanswered so I prefer to post in here too, just in case.
Version 2.1.1 was working fine on my iPad (iOS 5.1.1), but I tested the version 2.1.3 and the develop version (June 5th, 2013) and my games (and the hello world sample) won’t start on my iPad (no issue on Chrome on PC, Safari on iPhone 4S iOS 6.1.3 and default browser on Galaxy S3 Android 4.1.2).
Steps to reproduce:
1/ Launch the Hello World sample on an iPad (tested on iOS 5.1.1, not sure how it behaves on other versions)
2/ It doesn’t work and the debug console shows:
TypeError: ‘Undefined’ is not a function
I also heard some Android devices had the same problem, but I don’t know which versions of Android and which devices.
Thank you for the great framework, hope it gets better and better