MeasureThat.net

Run results for: char index vs charAt() vs slice() vs at()

Compare methods for testing string's beginning character.

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Safari/605.1.15
Safari 16
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
character index 5139275.0 Ops/sec
charAt() 5161345.5 Ops/sec
slice() 5191110.0 Ops/sec
at() 5111223.5 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()

  • at()

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