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Run results for:
.startsWith() vs .test() vs .match() vs .indexOf()
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=605941" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36
Browser:
Chrome 136
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
indexOf === 0
193.1M/s
string .startsWith()
74.0M/s
regexp .test()
52.8M/s
string .match()
32.4M/s
View exact numbers
Test name
Executions per second
✓
indexOf === 0
193,080,368 Ops/sec
string .startsWith()
74,010,664 Ops/sec
regexp .test()
52,806,616 Ops/sec
string .match()
32,363,100 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://')