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/136.0.0.0 Safari/537.36 Edg/136.0.0.0

Browser: Chrome 136

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

[10]

90.6M/s

charCodeAt(300)

89.0M/s

charCodeAt(0)

89.0M/s

[0]

88.7M/s

View exact numbers

Test name	Executions per second
✓ [10]	90,643,936 Ops/sec
charCodeAt(300)	89,034,656 Ops/sec
charCodeAt(0)	88,986,368 Ops/sec
[0]	88,688,584 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]