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 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36
Chrome 81
Mac OS X 10.14.6
Desktop
4 years ago
Test name Executions per second
character index 5165475.5 Ops/sec
charAt() 5095735.0 Ops/sec
slice() 4738056.5 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()