Run results for: Clear Element content v4

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:95.0) Gecko/20100101 Firefox/95.0

Browser: Firefox 95

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
innerHTML	1541849.6 Ops/sec
replaceChildren	1192974.1 Ops/sec
remove firstChild	1684805.9 Ops/sec
remove lastChild	1673064.4 Ops/sec
textContent	1525804.2 Ops/sec
remove and recreate root element	238933.4 Ops/sec

HTML Preparation code:

<div id="container"></div>

Script Preparation code:

const container = document.querySelector('#container');
for (let i=0; i<300; i++) 
  container.appendChild(document.createElement('p'));

Tests:

innerHTML
container.innerHTML ='';
replaceChildren
container.replaceChildren()
remove firstChild
while (container.firstChild) container.removeChild(container.firstChild)
remove lastChild
while (container.lastChild) container.removeChild(container.lastChild)
textContent
container.textContent=''
remove and recreate root element
const clone = container.cloneNode(false); container.parentNode.replaceChild(clone, container);