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Run results for: Case insensitive string comparison: toLowerCase vs localeCompare vs toUpperCase

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36
Chrome 109
Windows
Desktop
2 years ago
Test name Executions per second
toLowerCase() 10032695.0 Ops/sec
localeCompare() 204295.2 Ops/sec
toLowerCase() FAIL 9071660.0 Ops/sec
localeCompare() FAIL 206662.9 Ops/sec
toUpperCase() 8844617.0 Ops/sec
toUpperCase() FAIL 8664905.0 Ops/sec
Script Preparation code:
Tests:

  • toLowerCase()

  • localeCompare()

  • toLowerCase() FAIL

  • localeCompare() FAIL

  • toUpperCase()

  • toUpperCase() FAIL