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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=570620" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 18
Operating system:
iOS 18.1
Device Platform:
Mobile
Date tested:
one year ago
cloneNode (deep)
43/s
innerHTML
27/s
createElement
18/s
View exact numbers
Test name
Executions per second
✓
cloneNode (deep)
43 Ops/sec
innerHTML
27 Ops/sec
createElement
18 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; }