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- '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);
- }
- });
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