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 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Chrome 121
Mac OS X 10.15.7
Desktop
2 years ago
slice()
19.0M/s
character index
19.0M/s
charAt()
18.9M/s
View exact numbers
Test name Executions per second
✓ slice() 18,977,710 Ops/sec
character index 18,964,960 Ops/sec
charAt() 18,912,942 Ops/sec
Script Preparation code:
Tests: