1 x = 33
   2 func.x = 23
   3 func.x = hello
   4 global instanceof fObject? true
   5 x is wriable ? true
   6 x value = 33
   7 global's __proto__ [object Object]
   8 Object.keys on obj
   9 foo
  10 Object.getOwnProperties on obj
  11 foo
  12 bar
  13 forEach 334
  14 forEach 55
  15 forEach 65
  16 reduceRight cur value 65
  17 reduceRight cur value 55
  18 reduceRight cur value 334
  19 reduceRight 454
  20 reduce cur value 334
  21 reduce cur value 55
  22 reduce cur value 65
  23 reduce 454
  24 forEach
  25 334
  26 55
  27 65
  28 Array.isArray(array)? true
  29 TypeError: "bar" is not a writable property of [object Object]
  30 forEach on mirror
  31 334
  32 55
  33 65