--- /dev/null
+'use strict';
+var $ = require('../internals/export');
+var $reduceRight = require('../internals/array-reduce').right;
+var arrayMethodIsStrict = require('../internals/array-method-is-strict');
+var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
+
+var STRICT_METHOD = arrayMethodIsStrict('reduceRight');
+// For preventing possible almost infinite loop in non-standard implementations, test the forward version of the method
+var USES_TO_LENGTH = arrayMethodUsesToLength('reduce', { 1: 0 });
+
+// `Array.prototype.reduceRight` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.reduceright
+$({ target: 'Array', proto: true, forced: !STRICT_METHOD || !USES_TO_LENGTH }, {
+ reduceRight: function reduceRight(callbackfn /* , initialValue */) {
+ return $reduceRight(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
+ }
+});