Run results for: template innerHTML vs DocumentFragment createElement

Run details:

User agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:63.0) Gecko/20100101 Firefox/63.0

Browser: Firefox 63

Operating system: FreeBSD

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
template	36487.6 Ops/sec
DocumentFragment	48606.2 Ops/sec

Tests:

template
const tpl = document.createElement('template'); tpl.innerHTML = ` <div> <h1>Heading</h1> <p>Paragraph 1</p> <p>Paragraph 2</p> <button>Button</button> </div> `; const el = tpl.content.firstElementChild document.documentElement.appendChild(el.cloneNode());
DocumentFragment
const fragment = document.createDocumentFragment(); 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); fragment.appendChild(el); document.documentElement.appendChild(fragment);