es.array.reduce.js
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es.array.reduce.js
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	'use strict';
	var $ = require('../internals/export');
	var $reduce = require('../internals/array-reduce').left;
	var arrayMethodIsStrict = require('../internals/array-method-is-strict');
	var CHROME_VERSION = require('../internals/engine-v8-version');
	var IS_NODE = require('../internals/engine-is-node');

	var STRICT_METHOD = arrayMethodIsStrict('reduce');
	// Chrome 80-82 has a critical bug
	// https://bugs.chromium.org/p/chromium/issues/detail?id=1049982
	var CHROME_BUG = !IS_NODE && CHROME_VERSION > 79 && CHROME_VERSION < 83;

	// `Array.prototype.reduce` method
	// https://tc39.es/ecma262/#sec-array.prototype.reduce
	$({ target: 'Array', proto: true, forced: !STRICT_METHOD \|\| CHROME_BUG }, {
	reduce: function reduce(callbackfn /* , initialValue */) {
	var length = arguments.length;
	return $reduce(this, callbackfn, length, length > 1 ? arguments[1] : undefined);
	}
	});