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'use strict'; /* eslint-disable es/no-array-prototype-indexof -- required for testing */ var $ = require('../internals/export'); var uncurryThis = require('../internals/function-uncurry-this-clause'); var $indexOf = require('../internals/array-includes').indexOf; var arrayMethodIsStrict = require('../internals/array-method-is-strict');
var nativeIndexOf = uncurryThis([].indexOf);
var NEGATIVE_ZERO = !!nativeIndexOf && 1 / nativeIndexOf([1], 1, -0) < 0; var FORCED = NEGATIVE_ZERO || !arrayMethodIsStrict('indexOf');
// `Array.prototype.indexOf` method
// https://tc39.es/ecma262/#sec-array.prototype.indexof
$({ target: 'Array', proto: true, forced: FORCED }, { indexOf: function indexOf(searchElement /* , fromIndex = 0 */) { var fromIndex = arguments.length > 1 ? arguments[1] : undefined; return NEGATIVE_ZERO // convert -0 to +0
? nativeIndexOf(this, searchElement, fromIndex) || 0 : $indexOf(this, searchElement, fromIndex); } });
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