es.array.to-reversed.js 747 B

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  1. 'use strict';
  2. var $ = require('../internals/export');
  3. var lengthOfArrayLike = require('../internals/length-of-array-like');
  4. var toIndexedObject = require('../internals/to-indexed-object');
  5. var createProperty = require('../internals/create-property');
  6. var addToUnscopables = require('../internals/add-to-unscopables');
  7. var $Array = Array;
  8. // `Array.prototype.toReversed` method
  9. // https://tc39.es/ecma262/#sec-array.prototype.toreversed
  10. $({ target: 'Array', proto: true }, {
  11. toReversed: function toReversed() {
  12. var O = toIndexedObject(this);
  13. var len = lengthOfArrayLike(O);
  14. var A = new $Array(len);
  15. var k = 0;
  16. for (; k < len; k++) createProperty(A, k, O[len - k - 1]);
  17. return A;
  18. }
  19. });
  20. addToUnscopables('toReversed');