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/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

[10]

29.0M/s

[0]

28.7M/s

charCodeAt(300)

28.7M/s

charCodeAt(0)

28.6M/s

View exact numbers

Test name	Executions per second
✓ [10]	28,960,060 Ops/sec
[0]	28,684,570 Ops/sec
charCodeAt(300)	28,676,976 Ops/sec
charCodeAt(0)	28,621,722 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]