Run results for: array.prototype.at() vs array[array.length - 1]

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Linux

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
array.prototype.at()	159928672.0 Ops/sec
array[array.length - 1]	176036736.0 Ops/sec

Script Preparation code:

var array = [0, 1, 2, 3];

AخA
 
var array = [0, 1, 2, 3];

Tests:

array.prototype.at()
let lastWithAtArray = array.at(-1)
let lastWithAtArray = array.at(-1)
array[array.length - 1]
let lastWithLength = array[array.length - 1]
let lastWithLength = array[array.length - 1]