MeasureThat.net

Run results for: Large Array concat vs spread operator vs push

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

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Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.0
Firefox 135
Ubuntu
Desktop
one month ago
Test name Executions per second
Array.prototype.concat 749581.1 Ops/sec
spread operator 15125.6 Ops/sec
Push 4078.2 Ops/sec
Tests:

  • Array.prototype.concat

    AخA
     
    var params = new Array(10000);
    var other = [ 1, 2 ].concat(params);

  • spread operator

     
    var params = new Array(10000);
    var other = [ 1, 2, ...params ]

  • Push

     
    var params = new Array(10000);
    var other = [ 1, 2 ].push(...params);