Run results for: DocumentFragment vs insertAdjacentHTML

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36

Browser: Chrome 145

Operating system: Windows

Device Platform: Desktop

Date tested: 4 months ago

insertAdjacentHTML

2K/s

DocumentFragment

1K/s

View exact numbers

Test name	Executions per second
✓ insertAdjacentHTML	1,806 Ops/sec
DocumentFragment	1,342 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);