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_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Chrome 87
Mac OS X 10.15.7
Desktop
4 years ago
Test name Executions per second
character index 7877919.5 Ops/sec
charAt() 7754232.0 Ops/sec
slice() 7150828.5 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()