Run results for: JavaScript array copy methods for() vs spread operator

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:88.0) Gecko/20100101 Firefox/88.0

Browser: Firefox 88

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
for() method copy	7694591.0 Ops/sec
spread operator copy	3453252.0 Ops/sec

Tests:

for() method copy
let arr1 = [1,2,3,4,5,6,7,8,9,10]; let arr2 = []; for (let i=0; i<arr1.length; i+=1) {arr2.push(arr1[i]);}
spread operator copy
let arr1 = [1,2,3,4,5,6,7,8,9,10]; let arr2 = [...arr1];