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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36
Chrome 132
Windows
Desktop
2 months ago
Test name Executions per second
character index 67662776.0 Ops/sec
charAt() 69574704.0 Ops/sec
slice() 65260428.0 Ops/sec
at() 56149068.0 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()

  • at()