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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=598073" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:137.0) Gecko/20100101 Firefox/137.0
Browser:
Firefox 137
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
createElement
10.7 Ops/sec
cloneNode (deep)
39.0 Ops/sec
innerHTML
11.5 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; }