Run results for: createElement vs innerHTML for creating elements in DOM

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0

Browser: Firefox 137

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 19 days ago

HTML Preparation code:

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

Tests:

createElement
const container = document.getElementById('container'); container.innerHTML = ''; for (let i = 0; i < 1000; i++) { const div = document.createElement('div'); const p = document.createElement('d'); p.classList.add('font-bold'); p.textContent = 'Hello'+i+'!'; div.appendChild(p); container.appendChild(div); } /*cleanup*/ container.innerHTML = '';
innerHTML
const container = document.getElementById('container'); container.innerHTML = ''; for (let i = 0; i < 1000; i++) { container.innerHTML += '<div><p class="font-bold">Hello'+i+'!</p></div>'; } /*cleanup*/ container.innerHTML = '';
innerHTML append
const container = document.getElementById('container'); container.innerHTML = ''; for (let i = 0; i < 1000; i++) { container.append('<div><p class="font-bold">Hello'+i+'!</p></div>'); } /*cleanup*/ container.innerHTML = '';