Run results for: rand012983903218

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:129.0) Gecko/20100101 Firefox/129.0

Browser: Firefox 129

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
slice	204753.7 Ops/sec
spread	78664.2 Ops/sec

Script Preparation code:

var randObj = {
    "id": 1,
    "something": 2,
    "nested": {
        "ab": "c",
        "d": "e"
    },
    "ok": false
}
var arr = []

for (i = 0; i < 1000; i++) {
    arr.push(randObj)
}

Tests:

slice
let newArr = arr.slice()
spread
let newArr = [...arr]

Run results for: rand012983903218

rand

slice

spread