MeasureThat.net

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

Compare methods for testing string's beggining character.

Go to the benchmark
Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:107.0) Gecko/20100101 Firefox/107.0
Firefox 107
Ubuntu
Desktop
one year ago
Test name Executions per second
character index 43618644.0 Ops/sec
charAt() 41182984.0 Ops/sec
slice() 34901540.0 Ops/sec
substr() 34814464.0 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()

  • substr()

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