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Run results for:
Fastest way to do string includes string
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=504750" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Browser:
Chrome 121
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
.indexOf
12583240.0 Ops/sec
includes
12800590.0 Ops/sec
regex case sensi
5550696.5 Ops/sec
regex case insensi
6314585.0 Ops/sec
Script Preparation code:
window.myString = 'a looooooong string who knows how Long' window.regexpI = new RegExp('long', 'i'); window.regexp = new RegExp('long');
Tests:
.indexOf
myString.toLocaleLowerCase().indexOf('long') !== -1
includes
myString.toLocaleLowerCase().includes('long')
regex case sensi
myString.toLocaleLowerCase().match(regexp)
regex case insensi
myString.match(regexpI)