Run results for: innerHTML vs appendChild

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:94.0) Gecko/20100101 Firefox/94.0

Browser: Firefox 94

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
innerHTML	121958.4 Ops/sec
DocumentFragment	115195.7 Ops/sec

Tests:

innerHTML
const el = document.createElement('div'); el.innerHTML = ` <h1>Heading</h1> <p>Paragraph 1</p> <p>Paragraph 2</p> <button>Button</button> `; document.documentElement.appendChild(el);
DocumentFragment
const el = document.createElement('div'); const heading = document.createElement('h1'); const para1 = document.createElement('p'); const para2 = document.createElement('p'); const button = document.createElement('button'); heading.innerText = 'Heading'; para1.innerText = 'Paragraph 1'; para2.innerText = 'Paragraph 2'; button.innerText = 'Button'; el.appendChild(heading); el.appendChild(para1); el.appendChild(para2); el.appendChild(button); document.documentElement.appendChild(el);