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Run results for:
Array.includes vs OR operator
Array.includes may be more readable, but is it more performant?
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=576354" 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/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
OR operator
18K/s
Array.includes
8K/s
Array.includes (cached array)
8K/s
View exact numbers
Test name
Executions per second
✓
OR operator
18,085 Ops/sec
Array.includes
8,151 Ops/sec
Array.includes (cached array)
7,775 Ops/sec
Script Preparation code:
var data = [...Array(10000)].map((_, i) => [i, i]); var cachedArray = ['a', 'b', 'c', 'd', 'e', 'f']; var g = 'g';
Tests:
Array.includes
data.forEach(() => { return ['a', 'b', 'c', 'd', 'e', 'f'].includes(g); });
Array.includes (cached array)
data.forEach(() => { return cachedArray.includes(g); });
OR operator
data.forEach(() => { return 'a' === g || 'b' === g || 'c' === g || 'd' === g || 'e' === g || 'f' === g; });