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

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 116

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
array[array.length - 1]	3301232.8 Ops/sec
array.at(-1)	7036438.5 Ops/sec

Script Preparation code:

var array = [1,2,3];

AخA
 
var array = [1,2,3];

Tests:

array[array.length - 1]
var d = array[array.length - 1];
var d = array[array.length - 1];
array.at(-1)
var z = array.at(-1);
var z = array.at(-1);