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Run results for:
Compare string equals performance
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
To lower()
9421856.0 Ops/sec
To upper()
8598357.0 Ops/sec
locale compare
190822.3 Ops/sec
Script Preparation code:
var a = 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'; var b = 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'; var config = { sensitivity: 'accent' };
Tests:
To lower()
a.toLowerCase() === b.toLowerCase()
To upper()
a.toUpperCase() === b.toUpperCase()
locale compare
a.localeCompare(b, 'en', config);