Run results for: charCodeAt vs []

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

[10]

21.0M/s

[0]

21.0M/s

charCodeAt(300)

21.0M/s

charCodeAt(0)

20.9M/s

View exact numbers

Test name	Executions per second
✓ [10]	21,024,868 Ops/sec
[0]	21,002,822 Ops/sec
charCodeAt(300)	20,989,554 Ops/sec
charCodeAt(0)	20,869,746 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]