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Run results for:
.startsWith() vs .test() vs .match() vs .indexOf() vs .substr()
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Run details:
User agent:
Mozilla/5.0 (Android 14; Mobile; rv:143.0) Gecko/143.0 Firefox/143.0
Browser:
Firefox Mobile 143
Operating system:
Android
Device Platform:
Mobile
Date tested:
6 months ago
Test name
Executions per second
regexp .test()
14856788.0 Ops/sec
string .match()
8702320.0 Ops/sec
indexOf === 0
977278144.0 Ops/sec
string .startsWith()
894059392.0 Ops/sec
Equality
963036928.0 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('https://') === 0
string .startsWith()
html.startsWith('https://')
Equality
html.substr(0,'https://'.length) === 'https://'