MeasureThat.net

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

Compare methods for testing string's beggining character.

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.122 Safari/537.36
Chrome 81
Mac OS X 10.15.4
Desktop
4 years ago
Test name Executions per second
character index 4746071.5 Ops/sec
charAt() 4804856.5 Ops/sec
slice() 4670385.0 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()