packages/core-js/modules/es.array.reverse.js

'use strict';
var $ = require('../internals/export');
var uncurryThis = require('../internals/function-uncurry-this');
var isArray = require('../internals/is-array');

var nativeReverse = uncurryThis([].reverse);
var test = [1, 2];

// `Array.prototype.reverse` method
// https://tc39.es/ecma262/#sec-array.prototype.reverse
// fix for Safari 12.0 bug
// https://bugs.webkit.org/show_bug.cgi?id=188794
$({ target: 'Array', proto: true, forced: String(test) === String(test.reverse()) }, {
  reverse: function reverse() {
    // eslint-disable-next-line no-self-assign -- dirty hack
    if (isArray(this)) this.length = this.length;
    return nativeReverse(this);
  }
});