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; Ubuntu; Linux x86_64; rv:72.0) Gecko/20100101 Firefox/72.0
Firefox 72
Ubuntu
Desktop
2 years ago
Test name Executions per second
character index 31153814.0 Ops/sec
charAt() 32529860.0 Ops/sec
slice() 14951574.0 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()