Benchmark: appendChild vs append vs map/append vs DocumentFragment

Tests:

appendChild
const ul = document.createElement('ul'); for (const d of '123456') { const li = document.createElement('li'); li.textContent = d; ul.appendChild(li); }
append
const ul = document.createElement('ul'); for (const d of '123456') { const li = document.createElement('li'); li.textContent = d; ul.append(li); }
map/append
const ul = document.createElement('ul'); const lis = Array.from('123456').map((d) => { const li = document.createElement('li'); li.textContent = d; return li; }); ul.append(...lis);
DocumentFragment
const ul = document.createElement('ul'); const fragment = new DocumentFragment(); for (const d of '123456') { const li = document.createElement('li'); li.textContent = d; fragment.append(li); } ul.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; rv:141.0) Gecko/20100101 Firefox/141.0

Browser/OS: Firefox 141 on Windows

appendChild

375K/s

map/append

322K/s

DocumentFragment

285K/s

append

207K/s

View exact numbers

appendChild vs append vs map/append vs DocumentFragment (version: 0) Benchmark.js