Benchmark: JS: append vs appendChild multiple nodes

HTML Preparation code:

<div id="container"></div>

Script Preparation code:

var paragraphs = Array.from({length: 1000}, () => document.createElement("p"));
var container = document.getElementById("container");

Tests:

append
container.append(...paragraphs);
appendChild
for (let i = 0; i < paragraphs.length; i++) { container.appendChild(paragraphs[i]); }
document.fragment
const fragment = new DocumentFragment(); for (let i = 0; i < paragraphs.length; i++) { fragment.append(paragraphs[i]); } container.append(fragment);

Rendered benchmark preparation results:

Previous results

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36 Edg/135.0.0.0

Browser/OS: Chrome 135 on Windows

appendChild

3K/s

append

3K/s

document.fragment

2K/s

View exact numbers

JS: append vs appendChild multiple nodes (version: 0)