Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.4 Safari/605.1.15
Safari 16
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Array.prototype.concat 46559132.0 Ops/sec
spread operator 447759392.0 Ops/sec
Push 16960206.0 Ops/sec
Tests:
  • Array.prototype.concat

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

     
    var params = [ "hello", true, 7 ]
    var other = [ 1, 2, ...params ]
  • Push

     
    var params = [ "hello", true, 7 ];
    var other = [ 1, 2 ].push(...params);