nl_tokens: ES6 draft 04 - 05 - 14 section 22 . 1 . 3 . 6
pl_tokens: function ArrayFill ( value , start , <mask> ) { CHECK_OBJECT_COERCIBLE ( this , "Array.prototype.fill" ) ; var array = TO_OBJECT ( this ) ; var length = TO_LENGTH ( array . length ) ; return InnerArrayFill ( value , start , end , array , length ) ; }