+++ /dev/null
-'use strict';
-var DESCRIPTORS = require('../internals/descriptors');
-var addToUnscopables = require('../internals/add-to-unscopables');
-var toObject = require('../internals/to-object');
-var toLength = require('../internals/to-length');
-var defineProperty = require('../internals/object-define-property').f;
-
-// `Array.prototype.lastIndex` getter
-// https://github.com/keithamus/proposal-array-last
-if (DESCRIPTORS && !('lastIndex' in [])) {
- defineProperty(Array.prototype, 'lastIndex', {
- configurable: true,
- get: function lastIndex() {
- var O = toObject(this);
- var len = toLength(O.length);
- return len == 0 ? 0 : len - 1;
- }
- });
-
- addToUnscopables('lastIndex');
-}