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Run results for:
JS regexp
regex VS string.startsWith
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=578463" 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/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
StartsWith.text
517K/s
RegExp.text
514K/s
View exact numbers
Test name
Executions per second
✓
StartsWith.text
516,997 Ops/sec
RegExp.text
514,057 Ops/sec
Script Preparation code:
var url = '/c/category/some-stuff.html'; var regex = /^(\/nxp|\/_next\/static|\/_next\/image|\/favicon.ico)/;
Tests:
RegExp.text
if (!regex.test(url)) console.log('passed');
StartsWith.text
if (!url.startsWith('/nxp') && !url.startsWith('/_next/static') && !url.startsWith('/_next/image') && !url.startsWith('/favicon.ico')) console.log('passed');