Run results for: Clear Element content v4

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0

Browser: Chrome 126

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

remove lastChild

2.9M/s

remove firstChild

2.9M/s

replaceChildren

2.1M/s

innerHTML

2.1M/s

textContent

2.0M/s

remove and recreate root element

189K/s

View exact numbers

Test name	Executions per second
✓ remove lastChild	2,941,774 Ops/sec
remove firstChild	2,936,671 Ops/sec
replaceChildren	2,109,726 Ops/sec
innerHTML	2,066,941 Ops/sec
textContent	1,962,089 Ops/sec
remove and recreate root element	188,695 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);