MeasureThat.net

Run results for: char index vs charAt() vs slice() vs at()

Compare methods for testing string's beginning character.

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1 Safari/605.1.15
Safari 17
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
character index 9641729.0 Ops/sec
charAt() 9685215.0 Ops/sec
slice() 9659903.0 Ops/sec
at() 9546186.0 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()

  • at()

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