Run results for: charCodeAt vs []

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

[0]

515.4M/s

charCodeAt(0)

475.1M/s

[10]

470.9M/s

charCodeAt(300)

465.7M/s

View exact numbers

Test name	Executions per second
✓ [0]	515,426,592 Ops/sec
charCodeAt(0)	475,068,224 Ops/sec
[10]	470,856,256 Ops/sec
charCodeAt(300)	465,713,792 Ops/sec

Script Preparation code:

var str = "some string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string heresome string here"

Tests:

charCodeAt(0)
str.charCodeAt(0)
charCodeAt(300)
str.charCodeAt(300)
[0]
str[0]
[10]
str[300]