Run results for: Array.prototype.slice vs spread vs push operator - large array 100000

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Script Preparation code:

var arr = Array.from({length: 10000}, () => Math.random())

AخA
 
var arr = Array.from({length: 10000}, () => Math.random())

Tests:

Array.prototype.slice
var other = arr.slice();
var other = arr.slice();
spread operator
var other = [ ...arr ]
var other = [ ...arr ]
Push operation
var other = [] arr.forEach(el => other.push(el))
var other = []
arr.forEach(el => other.push(el))