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Run results for:
.startsWith() vs .test() vs .match() vs .indexOf()
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=614001" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0) Gecko/20100101 Firefox/141.0
Browser:
Firefox 141
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
string .startsWith()
1276.3M/s
indexOf === 0
1165.1M/s
regexp .test()
23.9M/s
string .match()
11.4M/s
View exact numbers
Test name
Executions per second
✓
string .startsWith()
1,276,314,240 Ops/sec
indexOf === 0
1,165,111,040 Ops/sec
regexp .test()
23,879,012 Ops/sec
string .match()
11,404,627 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://')