Run results for: charCodeAt vs []

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36 OPR/94.0.0.0

Browser: Opera 94

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

charCodeAt(300)

461.9M/s

charCodeAt(0)

460.4M/s

[0]

460.3M/s

[10]

460.3M/s

View exact numbers

Test name	Executions per second
✓ charCodeAt(300)	461,922,496 Ops/sec
charCodeAt(0)	460,437,696 Ops/sec
[0]	460,314,240 Ops/sec
[10]	460,256,736 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]