MeasureThat.net

Run results for: Array.prototype.concat vs spread operator

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

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0
Firefox 52
Windows 7
Other
6 years ago
Test name Executions per second
Array.prototype.concat 5562598.5 Ops/sec
spread operator 1316319.1 Ops/sec
jQuery merge 10202094.0 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 ]

  • jQuery merge

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