tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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evenOdd.js (637B)

      1 // Copyright (c) 2023 Ecma International.  All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-map.groupby
      6 description: Map.groupBy populates Map with correct keys and values
      7 info: |
      8  Map.groupBy ( items, callbackfn )
      9  ...
     10 includes: [compareArray.js]
     11 features: [array-grouping, Map]
     12 ---*/
     13 
     14 const array = [1, 2, 3];
     15 
     16 const map = Map.groupBy(array, function (i) {
     17  return i % 2 === 0 ? 'even' : 'odd';
     18 });
     19 
     20 assert.compareArray(Array.from(map.keys()), ['odd', 'even']);
     21 assert.compareArray(map.get('even'), [2]);
     22 assert.compareArray(map.get('odd'), [1, 3]);
     23 
     24 reportCompare(0, 0);