Run results for: map undescore vs vanila

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:73.0) Gecko/20100101 Firefox/73.0

Browser: Firefox 73

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Underscore sortBy()	1914899.6 Ops/sec
Vanilla sort()	2439232.5 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js'></script>

Script Preparation code:

window.users = [
  { name: 'Ваня', level: '3' },
  { name: 'Саша', level: '1' },
  { name: 'Маша', level: '2' },
  { name: 'Ника', level: '3' },
  { name: 'Вера', level: '1' },
  { name: 'Саша', level: '2' },
  { name: 'Ваня', level: '2' }
];

Tests:

Underscore sortBy()
_.map(users, u => u.name + u.level )
Vanilla sort()
users.map(u => u.name + u.level)

Run results for: map undescore vs vanila

Underscore sortBy()

Vanilla sort()