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Run results for: Array spread vs. push performance

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Chrome 130
Linux
Desktop
6 months ago
Test name Executions per second
Array.prototype.push 10452134.0 Ops/sec
Array.prototype.concat 2.1 Ops/sec
Array spread 2.7 Ops/sec
Script Preparation code:
AخA
 
var arr = [1, 1, 1, 1, 1];
Tests:

  • Array.prototype.push

     
    arr.push(1);

  • Array.prototype.concat

     
    arr.concat(1);

  • Array spread

     
    [...arr, 1];