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 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36
Chrome 85
Linux
Desktop
4 years ago
Test name Executions per second
character index 3602148.0 Ops/sec
charAt() 3651283.5 Ops/sec
slice() 3103812.2 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()