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Run results for:
createElement vs cloneNode vs innerHTML
Faster way to create new dom elements before insertion
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<iframe src="https://measurethat.net/Embed?id=571142" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0
Browser:
Firefox 128
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
cloneNode (deep)
10/s
createElement
4/s
innerHTML
2/s
View exact numbers
Test name
Executions per second
✓
cloneNode (deep)
10 Ops/sec
createElement
4 Ops/sec
innerHTML
2 Ops/sec
Tests:
createElement
const list = []; let n = 0; while(true) { n++; const div = document.createElement('div'); const p = document.createElement('p'); p.classList.add('font-bold'); p.textContent = 'Hello!'; div.appendChild(p); list.push(div); if(n===100000) break; }
cloneNode (deep)
const list = []; let n = 0; const div = document.createElement('div'); const p = document.createElement('p'); p.classList.add('font-bold'); p.textContent = 'Hello!'; div.appendChild(p); while(true) { n++; list.push(div.cloneNode(true)); if(n===100000) break; }
innerHTML
const list = []; let n = 0; while(true) { n++; const div = document.createElement('div'); div.innerHTML = '<p class="font-bold">Hello!</p>'; list.push(div); if(n===100000) break; }