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/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

[10]

35.5M/s

charCodeAt(0)

35.4M/s

charCodeAt(300)

35.4M/s

[0]

35.4M/s

View exact numbers

Test name	Executions per second
✓ [10]	35,511,364 Ops/sec
charCodeAt(0)	35,431,600 Ops/sec
charCodeAt(300)	35,404,400 Ops/sec
[0]	35,372,044 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]