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Run results for:
Javascript: Case insensitive string comparison 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
toLowerCase()
7672537.0 Ops/sec
localeCompare()
131349.5 Ops/sec
toLowerCase() FAIL
5858133.5 Ops/sec
localeCompare() FAIL
130922.4 Ops/sec
Script Preparation code:
var a = "John Doe" var b = "john doe" var c = "john smith" var o = { sensitivity: 'base' }
Tests:
toLowerCase()
a.toLowerCase() === b.toLowerCase()
localeCompare()
a.localeCompare(b,undefined,o)
toLowerCase() FAIL
c.toLowerCase() === b.toLowerCase()
localeCompare() FAIL
c.localeCompare(b,undefined,o)