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Run results for:
startsWith or regex test or indexOf
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=488240" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 102
Operating system:
Android
Device Platform:
Mobile
Date tested:
2 years ago
startsWith
790K/s
indexOf
715K/s
regex
583K/s
View exact numbers
Test name
Executions per second
✓
startsWith
790,290 Ops/sec
indexOf
714,502 Ops/sec
regex
582,831 Ops/sec
Script Preparation code:
window.myString = "Hello, world!"; window.prefix = "Hello"; window.regex = /^Hello/;
Tests:
startsWith
if (myString.startsWith(prefix)) { // do something }
regex
if (regex.test(myString)) { // do something }
indexOf
if (myString.indexOf(prefix) === 0) { // do something }