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Run results for:
.startsWith() vs .test() vs .match() vs .indexOf() vs equality v2
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=602886" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.4 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Equality
652.6M/s
indexOf === 0
605.0M/s
regexp .test()
460.0M/s
string .match()
202.4M/s
string .startsWith()
88.6M/s
View exact numbers
Test name
Executions per second
✓
Equality
652,614,656 Ops/sec
indexOf === 0
605,003,264 Ops/sec
regexp .test()
459,953,568 Ops/sec
string .match()
202,424,592 Ops/sec
string .startsWith()
88,612,312 Ops/sec
Script Preparation code:
var html = "https://www.google.com";
Tests:
regexp .test()
/^https?:\/\//.test(html)
string .match()
!!html.match(/^https:\/\//)
indexOf === 0
html.indexOf('https://') === 0
string .startsWith()
html.startsWith('https://')
Equality
html === "https://www.google.com"