Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
startsWith or regex test or indexOf
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=488231" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 119
Operating system:
Android
Device Platform:
Mobile
Date tested:
2 years ago
indexOf
1.8M/s
startsWith
1.7M/s
regex
1.4M/s
View exact numbers
Test name
Executions per second
✓
indexOf
1,837,554 Ops/sec
startsWith
1,675,506 Ops/sec
regex
1,403,089 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 }