Run results for: charCodeAt vs []

Run details:

User agent: Mozilla/5.0 (Android 13; Mobile; rv:120.0) Gecko/120.0 Firefox/120.0

Browser: Firefox Mobile 120

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

[0]

474.2M/s

charCodeAt(0)

448.1M/s

charCodeAt(300)

444.1M/s

[10]

440.1M/s

View exact numbers

Test name	Executions per second
✓ [0]	474,174,080 Ops/sec
charCodeAt(0)	448,055,808 Ops/sec
charCodeAt(300)	444,083,648 Ops/sec
[10]	440,090,304 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]