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Run results for:
Javascript: Case insensitive string comparison
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=556440" 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
toLowerCase()
10.0M/s
toLowerCase() FAIL
9.4M/s
Regex
3.8M/s
Regex FAIL
3.7M/s
View exact numbers
Test name
Executions per second
✓
toLowerCase()
10,048,963 Ops/sec
toLowerCase() FAIL
9,358,077 Ops/sec
Regex
3,838,263 Ops/sec
Regex FAIL
3,659,858 Ops/sec
Script Preparation code:
var a = "soFt" var b = "Software Development" var c = "doFt"
Tests:
toLowerCase()
a.toLowerCase() === b.toLowerCase()
Regex
const re = new RegExp(a, "gi") re.test(b)
toLowerCase() FAIL
c.toLowerCase() === b.toLowerCase()
Regex FAIL
const re = new RegExp(c, "gi") re.test(b)