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Run results for:
Array .indexOf vs .some vs .includes
performance comparison of ways to find if an array contains a value
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<iframe src="https://measurethat.net/Embed?id=541791" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Browser:
Chrome 128
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
some
29.5M/s
IndexOf
29.1M/s
Includes
28.8M/s
View exact numbers
Test name
Executions per second
✓
some
29,511,646 Ops/sec
IndexOf
29,088,640 Ops/sec
Includes
28,771,246 Ops/sec
Script Preparation code:
var array = ['cat', 'house', 'ate', 'bingo', 'mango', 'crypto', 'trump', 'banana', 'sausage', 'jesus']
Tests:
IndexOf
array.indexOf('sausage') !== 1
Includes
array.includes('sausage')
some
array.some(v => v === 'sausage')