2.1.110 [ECMA-262/6] Section 22.1.3.13 Array.prototype.keys ( )

V0156: The Array.prototype object does not have a keys property

The specification states:

 22.1.3.13 Array.prototype.keys ( )
  
     The following steps are taken:
  
         1.  Let O be ToObject(this value).
         2.  ReturnIfAbrupt(O).
         3.  Return CreateArrayIterator(O, "key").

IE11 Mode (All versions)

The Array.prototype object does not have a keys property.