MeasureThat.net

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_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1 Safari/605.1.15
Safari 13
Mac OS X 10.15.4
Desktop
4 years ago
Test name Executions per second
character index 6053480.5 Ops/sec
charAt() 6101306.5 Ops/sec
slice() 6198211.0 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()