es.array.map.js 598 B

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  1. 'use strict';
  2. var $ = require('../internals/export');
  3. var $map = require('../internals/array-iteration').map;
  4. var arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');
  5. var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('map');
  6. // `Array.prototype.map` method
  7. // https://tc39.es/ecma262/#sec-array.prototype.map
  8. // with adding support of @@species
  9. $({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT }, {
  10. map: function map(callbackfn /* , thisArg */) {
  11. return $map(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  12. }
  13. });