MeasureThat.net

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

Compare methods for testing string's beggining character.

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Chrome 104
Windows
Desktop
2 years ago
Test name Executions per second
character index 7910380.0 Ops/sec
charAt() 7926692.5 Ops/sec
slice() 6697879.0 Ops/sec
substr() 7393472.0 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()

  • substr()

;