Run results for: DOM api vs innerHTML

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0

Browser: Firefox 67

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
with wrap	969.9 Ops/sec
without createDocumentFragment	246.1 Ops/sec
with createDocumentFragment	895.3 Ops/sec
wrap with display	931.6 Ops/sec

HTML Preparation code:

<div id="body"></div>

Script Preparation code:

const body = document.getElementById('body');

Tests:

with wrap
let i = 1000; let wrap = document.createElement('div'); while (i--) { let a = document.createElement('span'); wrap.appendChild(a); } body.appendChild(wrap);
without createDocumentFragment
let i = 1000; while (i--) { let a = document.createElement('span'); body.appendChild(a); }
with createDocumentFragment
let i = 1000; let fr = document.createDocumentFragment(); while (i--) { let a = document.createElement('span'); fr.appendChild(a); } body.appendChild(fr);
wrap with display
let i = 1000; let wrap = document.createElement('div'); wrap.style.display = 'none'; while (i--) { let a = document.createElement('span'); wrap.appendChild(a); } body.appendChild(wrap); wrap.style.display = 'block';