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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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 Edg/117.0.2045.36
Chrome 117
Windows
Desktop
one year ago
Test name Executions per second
character index 10516299.0 Ops/sec
charAt() 10907049.0 Ops/sec
slice() 10582960.0 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()