Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
.startsWith() vs .test() vs .match() vs .indexOf() vs equality
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=602884" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0
Browser:
Firefox 137
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
indexOf === 0
1921.0M/s
string .startsWith()
1911.6M/s
Equality
130.4M/s
regexp .test()
68.3M/s
string .match()
37.8M/s
View exact numbers
Test name
Executions per second
✓
indexOf === 0
1,920,954,368 Ops/sec
string .startsWith()
1,911,553,920 Ops/sec
Equality
130,357,496 Ops/sec
regexp .test()
68,331,944 Ops/sec
string .match()
37,845,512 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[0] === 'h' && html[1] === 't' && html[2] === 't' && html[3] === 'p' && html[4] === 's' && html[5] === ':' && html[6] === '/' && html[7] === '/'