Run results for: insertAdjacentHTML VS append VS appendChild (createDocumentFragment) [div only]

Run details:

User agent: Mozilla/5.0 (Linux; Android 12; SAMSUNG SM-S908B) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/18.0 Chrome/99.0.4844.88 Mobile Safari/537.36

Browser: Chrome Mobile 99

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
append	439.0 Ops/sec
insertAdjacentHTML	765.9 Ops/sec
appendChild (createDocumentFragment)	450.7 Ops/sec

HTML Preparation code:

<div></div>

Tests:

append
let newElement = document.createElement("div"); let newElementPart = {}; for (i = 0; i < 1000; i++) { newElementPart = document.createElement("div"); newElement.append(newElementPart); } document.body.append(newElement);
insertAdjacentHTML
let html = "<div>"; for (i = 0; i < 1000; i++) { html += "<div></div>"; } html += "</div>"; document.body.insertAdjacentHTML("beforeend", html);
appendChild (createDocumentFragment)
let fragment_VDOM = document.createDocumentFragment(); let newElement = document.createElement("div"); let newElementPart = {}; for (i = 0; i < 1000; i++) { newElementPart = document.createElement("div"); newElement.appendChild(newElementPart); } fragment_VDOM.appendChild(newElement); document.body.appendChild(fragment_VDOM);