Run results for: var array = [1,2,3];

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:125.0) Gecko/20100101 Firefox/125.0

Browser: Firefox 125

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

var z = array.at(-1);

149.5M/s

selectedAssetKeys.slice(-1)?.[0]

54.7M/s

View exact numbers

Test name	Executions per second
✓ var z = array.at(-1);	149,524,288 Ops/sec
selectedAssetKeys.slice(-1)?.[0]	54,720,648 Ops/sec

Tests:

var z = array.at(-1);
var array = [1,2,3]; var aaa = array.at(-1);
selectedAssetKeys.slice(-1)?.[0]
var array = [1,2,3]; var bbb = array.slice(-1)?.[0]