On 28 of May, 2014, the first commit of Immutable.js was pushed in the facebook’s organization on GitHub. Immutable.js is a set of immutable data structures (List, Set, Map, etc.) implemented in JavaScript.
Plain JavaScript array
| 20 | 10 | 5 | 1 | تعداد watch - تعداد آرایه |
| 2.58 | 2.573 | 2.56 | 2.517 | 100 |
| 2.853 | 2.747 | 2.675 | 2.555 | 1000 |
| 15.68 | 7.736 | 4.025 | 2.861 | 10000 |
Immutable JavaScript list
| 20 | 10 | 5 | 1 | تعداد watch - تعداد آرایه |
| 2.569 | 2.562 | 2.507 | 2.696 | 100 |
| 2.49 | 2.569 | 2.54 | 2.715 | 1000 |
| 2.708 | 2.599 | 2.538 | 2.832 | 10000 |
