Script Preparation code:
x
 
const ITERATIONS = 500000;
var index = ITERATIONS/2;
var n = Math.random();
var list = [];
for (let i = 0; i < length; i += 1) {
  list.push(Math.random());
}
Tests:
  • Array clone with spread operator

     
    const clone = [...list];
  • Array clone with slice

     
    const clone = list.slice();
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    Array clone with spread operator
    Array clone with slice

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 2 years ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36
Chrome 100 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
Array clone with spread operator 5997487.5 Ops/sec
Array clone with slice 15556043.0 Ops/sec