Run results for: Spread vs Array.from on querySelectorAll

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:120.0) Gecko/20100101 Firefox/120.0

Browser: Firefox 120

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Spread	1323.9 Ops/sec
Array.from	1371.0 Ops/sec

HTML Preparation code:

<div id="my-div"></div>

Script Preparation code:

const div = document.getElementById("my-div");
for (let i = 0; i < 10000; i++) {
    const child = document.createElement("div");
    child.append(`I'm div-${i}`);
    div.append(child);
}

Tests:

Spread
const childNodes = [...document.querySelectorAll("#my-div div")];
Array.from
const childNodes = Array.from(document.querySelectorAll("#my-div div"));

Run results for: Spread vs Array.from on querySelectorAll

Create array from Node.childNodes

Spread

Array.from