Benchmark: createElement vs cloneNode (not deep) vs innerHTML

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(false)); 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; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
createElement
cloneNode (deep)
innerHTML

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/112.0.5615.167 Mobile/15E148 Safari/604.1

Browser/OS: Chrome Mobile iOS 112 on iOS 15.1

View result in a separate tab

Test name	Executions per second
createElement	2.3 Ops/sec
cloneNode (deep)	14.1 Ops/sec
innerHTML	1.9 Ops/sec

createElement vs cloneNode (not deep) vs innerHTML (version: 0)

Faster way to create new dom elements before insertion

Comparing performance of: createElement vs cloneNode (deep) vs innerHTML

Created: 2 years ago by: Guest

Jump to the latest result

createElement

cloneNode (deep)

innerHTML

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A