Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
Feature Requests
FAQ
Register
Log In
Run results for:
.startsWith() vs .test() vs .match() vs .indexOf()
Go to the benchmark
Embed
Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Browser:
Firefox 128
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
string .startsWith()
1607.1M/s
indexOf === 0
1587.6M/s
regexp .test()
63.5M/s
string .match()
33.6M/s
View exact numbers
Test name
Executions per second
✓
string .startsWith()
1,607,082,112 Ops/sec
indexOf === 0
1,587,551,488 Ops/sec
regexp .test()
63,493,420 Ops/sec
string .match()
33,598,588 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('http://') === 0
string .startsWith()
html.startsWith('https://')