'use strict'; var ToIntegerOrInfinity = require('es-abstract/2021/ToIntegerOrInfinity'); var ToLength = require('es-abstract/2021/ToLength'); var ToObject = require('es-abstract/2021/ToObject'); var SameValueZero = require('es-abstract/2021/SameValueZero'); var $isNaN = require('es-abstract/helpers/isNaN'); var $isFinite = require('es-abstract/helpers/isFinite'); var GetIntrinsic = require('get-intrinsic'); var callBound = require('call-bind/callBound'); var isString = require('is-string'); var $charAt = callBound('String.prototype.charAt'); var $indexOf = GetIntrinsic('%Array.prototype.indexOf%'); // TODO: use callBind.apply without breaking IE 8 var $max = GetIntrinsic('%Math.max%'); module.exports = function includes(searchElement) { var fromIndex = arguments.length > 1 ? ToIntegerOrInfinity(arguments[1]) : 0; if ($indexOf && !$isNaN(searchElement) && $isFinite(fromIndex) && typeof searchElement !== 'undefined') { return $indexOf.apply(this, arguments) > -1; } var O = ToObject(this); var length = ToLength(O.length); if (length === 0) { return false; } var k = fromIndex >= 0 ? fromIndex : $max(0, length + fromIndex); while (k < length) { if (SameValueZero(searchElement, isString(O) ? $charAt(O, k) : O[k])) { return true; } k += 1; } return false; };