Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.129 Safari/537.36
Chrome 81
Mac OS X 10.15.3
Desktop
4 years ago
Test name Executions per second
`Array.slice(-1)[0]` 10088678.0 Ops/sec
`Array[Array.length]` 7853367.0 Ops/sec
Script Preparation code:
AخA
 
var arr = Array.from(Array(10000).keys());
Tests:
  • `Array.slice(-1)[0]`

     
    arr.slice(-1)[0];
  • `Array[Array.length]`

     
    arr[arr.length-1];