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Run results for:
.startsWith() vs .test() vs .match() vs .indexOf()
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Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 126
Operating system:
Android
Device Platform:
Mobile
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
indexOf === 0
3.4M/s
string .startsWith()
2.7M/s
regexp .test()
2.3M/s
string .match()
1.9M/s
View exact numbers
Test name
Executions per second
✓
indexOf === 0
3,398,682 Ops/sec
string .startsWith()
2,687,571 Ops/sec
regexp .test()
2,320,532 Ops/sec
string .match()
1,891,519 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://')