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

Compare methods for testing string's character.

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 Edg/150.0.0.0
Chrome 150
Windows
Desktop
15 days ago
character index
239.6M/s
charAt()
237.8M/s
charCodeAt()
237.8M/s
slice()
237.3M/s
View exact numbers
Test name Executions per second
✓ character index 239,559,152 Ops/sec
charAt() 237,822,720 Ops/sec
charCodeAt() 237,781,664 Ops/sec
slice() 237,264,240 Ops/sec
Script Preparation code:
Tests: