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Run results for: Array.prototype.slice vs spread operator for Array copy

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

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Chrome 92
Windows
Desktop
3 years ago
Test name Executions per second
Array.prototype.slice 7912726.5 Ops/sec
spread operator 7474423.5 Ops/sec
Script Preparation code:
AخA
 
var arr = [];
for (let i;i<1000000;i++){
    arr.push(i);
}
Tests:

  • Array.prototype.slice

     
    var other = arr.slice();

  • spread operator

     
    var other = [ ...arr ]