Run results for: array for vs some (test)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/119.0

Browser: Firefox 119

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

array for

113.3M/s

array some

97.2M/s

View exact numbers

Test name	Executions per second
✓ array for	113,271,664 Ops/sec
array some	97,175,456 Ops/sec

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.core.js"></script>

Tests:

array for
var a = ['hello', 'a', 'bc']; function find(target, arr) { for (let i = 0; i < arr.length; i++) { if (target === arr[i]) return true; } return false; } var b = find('bc', a);
array some
var a = ['hello', 'a', 'bc']; var b = a.some(item => item === 'bc');