Run results for: Clear Element content v4

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.1 Safari/605.1.15

Browser: Safari 15

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
innerHTML	1103486.8 Ops/sec
replaceChildren	2285535.0 Ops/sec
remove firstChild	2699298.8 Ops/sec
remove lastChild	2696113.2 Ops/sec
textContent	2650552.2 Ops/sec
remove and recreate root element	584736.0 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);