text: 'use strict';
  var addToUnscopables = require('./$.add-to-unscopables')
    , step             = require('./$.iter-step')
    , Iterators        = require('./$.iterators')
    , toIObject        = require('./$.to-iobject');
  
  // 22.1.3.4 Array.prototype.entries()
  // 22.1.3.13 Array.prototype.keys()
  // 22.1.3.29 Array.prototype.values()
  // 22.1.3.30 Array.prototype[@@iterator]()
  module.exports = require('./$.iter-define')(Array, 'Array', function(iterated, kind){
    this._t = toIObject(iterated); // target
    this._i = 0;                   // next index
    this._k = kind;                // kind
  // 22.1.5.2.1 %ArrayIteratorPrototype%.next()
  }, function(){
    var O     = this._t
      , kind  = this._k
      , index = this._i++;
    if(!O || index >= O.length){
      this._t = undefined;
      return step(1);
    }
    if(kind == 'keys'  )return step(0, index);
    if(kind == 'values')return step(0, O[index]);
    return step(0, [index, O[index]]);
  }, 'values');
  
  // argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)
  Iterators.Arguments = Iterators.Array;
  
  addToUnscopables('keys');
  addToUnscopables('values');
  addToUnscopables('entries');