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 (iPhone; CPU iPhone OS 15_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Mobile/15E148 Safari/604.1
Mobile Safari 15
iOS 15.5
Mobile
2 years ago
Test name Executions per second
character index 7191375.5 Ops/sec
charAt() 7256588.5 Ops/sec
slice() 7214976.5 Ops/sec
substr() 6391235.5 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()

  • substr()

;