x = 33

func.x = 23

func.x = hello

global instanceof fObject? true

x is wriable ? true

x value = 33

global's __proto__ [object Object]

Object.keys on obj

foo

Object.getOwnProperties on obj

foo

bar

forEach 334

forEach 55

forEach 65

reduceRight cur value 65

reduceRight cur value 55

reduceRight cur value 334

reduceRight 454

reduce cur value 334

reduce cur value 55

reduce cur value 65

reduce 454

forEach

334

55

65

Array.isArray(array)? true

TypeError: "bar" is not a writable property of [object Object]

forEach on mirror

334

55

65