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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 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.96 Safari/537.36
Chrome 88
Mac OS X 10.15.6
Desktop
3 years ago
Test name Executions per second
character index 7569475.5 Ops/sec
charAt() 7602435.0 Ops/sec
slice() 7326970.0 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()