Run results for: Element.append vs Node.appendChild

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.4 Safari/605.1.15

Browser: Safari 26

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 21 days ago

Test name	Executions per second
Element.append	13766.5 Ops/sec
Node.appendChild	14829.0 Ops/sec

HTML Preparation code:

<div id="testDiv"></div>

Script Preparation code:

// async function globalMeasureThatScriptPrepareFunction() {}

Tests:

Element.append
"use strict"; for (let i=0; i<100; i++) { const p = document.createElement("p"); p.textContent = i; testDiv.append(p); } testDiv.innerHTML="";
Node.appendChild
"use strict"; for (let i=0; i<100; i++) { const p = document.createElement("p"); p.textContent = i; testDiv.appendChild(p); } testDiv.innerHTML="";