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Run results for:
createElement vs innerHTML for creating elements in DOM
Speed of inserting DOM elements by various methods
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<iframe src="https://measurethat.net/Embed?id=620682" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0 Waterfox/56.6.2022.01
Browser:
Firefox 68
Operating system:
Windows 7
Device Platform:
Desktop
Date tested:
7 months ago
Test name
Executions per second
createElement
83.5 Ops/sec
innerHTML
0.3 Ops/sec
innerHTML append
255.5 Ops/sec
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 = '';