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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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser:
Chrome 130
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
string .startsWith()
28.0M/s
indexOf === 0
24.7M/s
regexp .test()
21.5M/s
string .match()
11.6M/s
View exact numbers
Test name
Executions per second
✓
string .startsWith()
28,026,014 Ops/sec
indexOf === 0
24,691,032 Ops/sec
regexp .test()
21,537,474 Ops/sec
string .match()
11,610,494 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://')