Run results for: Array spread clone vs manual clone

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/114.0

Browser: Firefox 114

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 10 months ago

Test name	Executions per second
spread operator	3.8 Ops/sec
manual clone	4.2 Ops/sec

Script Preparation code:

var arr = [];
for (let i = 0; i < 10000000; ++i) {
	arr.push(i);
}

Tests:

spread operator
let cloned = [...arr];
manual clone
let cloned = new Array(arr.length); for (let i = 0; i < arr.length; ++i) { cloned[i] = arr[i]; }