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Run results for: Array.prototype.slice vs spread operator With slightly bigger array

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

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Chrome 129
Mac OS X 10.15.7
Desktop
6 months ago
Test name Executions per second
slice operator 15912808.0 Ops/sec
spread operator 6572069.5 Ops/sec
Script Preparation code:
​x
 
var params = Array(100).fill('Hello World');
​
Tests:

  • slice operator

     
    var other = params.slice();

  • spread operator

     
    var other = [ ...params ]