Run results for: charCodeAt vs []

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser: Chrome 127

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

charCodeAt(0)

12.6M/s

charCodeAt(300)

12.4M/s

[0]

11.4M/s

[10]

11.4M/s

View exact numbers

Test name	Executions per second
✓ charCodeAt(0)	12,640,963 Ops/sec
charCodeAt(300)	12,443,476 Ops/sec
[0]	11,399,033 Ops/sec
[10]	11,370,406 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]