'use strict';

var toPosInt = require('../../number/to-pos-integer')
  , callable = require('../../object/valid-callable')
  , value    = require('../../object/valid-value')

  , hasOwnProperty = Object.prototype.hasOwnProperty
  , call = Function.prototype.call;

module.exports = function (cb/*, thisArg*/) {
	var i, self, thisArg;

	self = Object(value(this));
	callable(cb);
	thisArg = arguments[1];

	for (i = (toPosInt(self.length) - 1); i >= 0; --i) {
		if (hasOwnProperty.call(self, i)) call.call(cb, thisArg, self[i], i, self);
	}
};