Run results for: [i] vs .at(i) - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Android 13; Mobile; rv:108.0) Gecko/108.0 Firefox/108.0

Browser: Firefox Mobile 108

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
[i]	6.0 Ops/sec
.at(i)	4.2 Ops/sec
?.[i]	4.5 Ops/sec

Website performance monitoring

Script Preparation code:

var a = Array(100_000_000).fill(1);

Tests:

[i]
let total = 0; for (let i = 0; i < a.length; i++) { total += a[i]; }
.at(i)
let total = 0; for (let i = 0; i < a.length; i++) { total += a.at(i); }
?.[i]
let total = 0; for (let i = 0; i < a.length; i++) { total += a?.[i]; }