MeasureThat.net

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

Compare methods for testing string's beggining character.

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0
Firefox 91
Windows
Desktop
3 years ago
Test name Executions per second
character index 109239792.0 Ops/sec
charAt() 104718968.0 Ops/sec
slice() 28139352.0 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()