-'use strict';
-var $ = require('../internals/export');
-var toObject = require('../internals/to-object');
-var toLength = require('../internals/to-length');
-var toInteger = require('../internals/to-integer');
-var addToUnscopables = require('../internals/add-to-unscopables');
-
-// `Array.prototype.at` method
-// https://github.com/tc39/proposal-relative-indexing-method
-$({ target: 'Array', proto: true }, {
- at: function at(index) {
- var O = toObject(this);
- var len = toLength(O.length);
- var relativeIndex = toInteger(index);
- var k = relativeIndex >= 0 ? relativeIndex : len + relativeIndex;
- return (k < 0 || k >= len) ? undefined : O[k];
- }
-});
-
-addToUnscopables('at');
+// TODO: Remove from `core-js@4`
+require('../modules/es.array.at');