Run results for: clone vs innerHTML

Run details:

User agent: Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser: Chrome 103

Operating system: Windows 8

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
inner	0.9 Ops/sec
clone	1.8 Ops/sec

Tests:

inner
const paren = document.createElement('div'); let n = 0; let str= ""; while(true) { n++; str += '<div><p class="font-bold">Hello!</p></div>'; if(n===100000) break; } paren.innerHTML = str;
clone
const paren = document.createElement('div'); 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++; paren.appendChild(div.cloneNode(true)); if(n===100000) break; }