Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Firefox/68.0
Firefox 68
Mac OS X 10.14
Desktop
5 years ago
Test name Executions per second
Array.prototype.slice 10024939.0 Ops/sec
spread operator 10387308.0 Ops/sec
Tests:
  • Array.prototype.slice

    AخA
     
    var params = [ "hello", true, 7 ];
    var other = [ 1, 2 ].slice();
  • spread operator

     
    var params = [ "hello", true, 7 ]
    var other = [ ...params ]