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Run results for:
createElement vs cloneNode vs innerHTML for multi elements with optimized loops
Faster way to create new dom elements before insertion
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<iframe src="https://measurethat.net/Embed?id=604797" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0
Browser:
Firefox 138
Operating system:
Ubuntu
Device Platform:
Desktop
Date tested:
one year ago
createElement
1K/s
innerHTML
255/s
cloneNode (deep)
5/s
View exact numbers
Test name
Executions per second
✓
createElement
1,299 Ops/sec
innerHTML
255 Ops/sec
cloneNode (deep)
5 Ops/sec
Tests:
createElement
const list = []; let n = 0; const div = document.createElement('div'); const div2 = document.createElement('div'); const div3 = document.createElement('div'); const p = document.createElement('p'); div2.classList.add('two'); div3.classList.add('three'); p.classList.add('font-bold'); p.textContent = 'Hello!'; div.appendChild(div2); div2.appendChild(div3); div3.appendChild(p); console.log(div); while(true) { n++; list.push(div); if(n===100000) break; }
cloneNode (deep)
const list = []; let n = 0; const div = document.createElement('div'); const div2 = document.createElement('div'); const div3 = document.createElement('div'); const p = document.createElement('p'); div2.classList.add('two'); div3.classList.add('three'); p.classList.add('font-bold'); p.textContent = 'Hello!'; div.appendChild(div2); div2.appendChild(div3); div3.appendChild(p); while(true) { n++; list.push(div.cloneNode(true)); if(n===100000) break; }
innerHTML
const list = []; let n = 0; const div = document.createElement('div'); div.innerHTML = '<div><div class="two3"><div class="three"><p class="font-bold">Hello!</p></div></div></div>' console.log(div); while(true) { n++; list.push(div); if(n===100000) break; }