Run results for: DocumentFragment vs insertAdjacentHTML

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 135

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

DocumentFragment

246/s

insertAdjacentHTML

173/s

View exact numbers

Test name	Executions per second
✓ DocumentFragment	246 Ops/sec
insertAdjacentHTML	173 Ops/sec

HTML Preparation code:

<div id='test'></div>

Tests:

DocumentFragment
const fragment = document.createDocumentFragment() for (i = 0; i < 1000; i++) { const innerDiv = document.createElement("div"); innerDiv.className = "MyClass" fragment.appendChild(innerDiv); } document.getElementById("test").append(fragment);
insertAdjacentHTML
html = "" for (i = 0; i < 1000; i++) { html += "<div class='MyClass'></div>"; } document.getElementById("test").insertAdjacentHTML("beforeend", html);