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 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/109.0
Firefox 109
Mac OS X 10.15
Desktop
one year ago
Test name Executions per second
character index 105940336.0 Ops/sec
charAt() 92285880.0 Ops/sec
slice() 79560984.0 Ops/sec
substr() 79650552.0 Ops/sec
Script Preparation code:
Tests:

  • character index

  • charAt()

  • slice()

  • substr()

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