Run results for: charAt vs String.fromCharCode

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0

Browser: Firefox 132

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

String.fromCharCode

1581.8M/s

charAt

1581.3M/s

View exact numbers

Test name	Executions per second
✓ String.fromCharCode	1,581,782,016 Ops/sec
charAt	1,581,322,880 Ops/sec

Script Preparation code:

const string = 'abahdbashjdbs'
const charCode = string.charCodeAt(5)
const index = 5

Tests: