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- 'use strict';
- var $ = require('../internals/export');
- var $filter = require('../internals/array-iteration').filter;
- var arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');
-
- var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('filter');
-
- // `Array.prototype.filter` method
- // https://tc39.es/ecma262/#sec-array.prototype.filter
- // with adding support of @@species
- $({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT }, {
- filter: function filter(callbackfn /* , thisArg */) {
- return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
- }
- });
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