MeasureThat.net

Run results for: Array concat vs spread operator vs push vs new array spread

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

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:86.0) Gecko/20100101 Firefox/86.0
Firefox 86
Mac OS X 10.15
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 8702586.0 Ops/sec
Push 4375399.0 Ops/sec
New array spread 4738780.5 Ops/sec
Tests:

  • Array.prototype.concat

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

  • Push

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

  • New array spread

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