testForInInitializer strict: failure: e = SyntaxError: Cannot assign to the loop variable inside a for-in loop header. testForInInitializer non-strict: success: i = 0 enumerated index: 0 enumerated index: 1 enumerated index: 2 enumerated index: 3 Find 3 at index: 3 randomprop0 randomprop1 randomprop2 randomprop3 randomprop4 randomprop5 randomprop6 randomprop7 randomprop8 randomprop9