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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 (iPhone; CPU iPhone OS 15_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.4 Mobile/15E148 Safari/604.1
Mobile Safari 15
iOS 15.4
Mobile
2 years ago
Test name Executions per second
character index 4917102.0 Ops/sec
charAt() 4752088.5 Ops/sec
slice() 4848897.0 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()