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Run results for: Array.prototype.concat vs spread operator (new try)

Compare the new ES6 spread operator with the traditional concat() method

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.54 Safari/537.36
Chrome 101
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Array.prototype.concat 24212688.0 Ops/sec
spread operator 4374160.0 Ops/sec
Tests:

  • Array.prototype.concat

    AخA
     
    var array = [ 1, 2 ];
    var other = [ ...array, 3 ];

  • spread operator

     
    var array = [ 1, 2 ];
    var other = array.concat(3);