Run results for: Test (while or forEach)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3.1 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

removeChild by while

60.9M/s

remove by while

60.5M/s

innerHTML

12.8M/s

remove by forEach

12.7M/s

replaceChildren

9.3M/s

View exact numbers

Test name	Executions per second
✓ removeChild by while	60,885,232 Ops/sec
remove by while	60,487,960 Ops/sec
innerHTML	12,751,295 Ops/sec
remove by forEach	12,744,576 Ops/sec
replaceChildren	9,276,551 Ops/sec

HTML Preparation code:

<div id="parent"></div>

Script Preparation code:

const node = document.getElementById('parent');
const child = document.createElement('div')
child.classList.add('child')
child.textContent = 'some text'

for(var i = 0; i < 5000; i++) node.appendChild(child);

Tests:

innerHTML
const node = document.getElementById('parent'); node.innerHTML = '';
replaceChildren
const node = document.getElementById('parent'); node.replaceChildren();
remove by while
const node = document.getElementById('parent'); while(node.firstChild) node.firstChild.remove()
removeChild by while
const node = document.getElementById('parent'); while(node.firstChild) node.removeChild(node.firstChild)
remove by forEach
const node = document.querySelectorAll('.child'); for (const child of node) child.remove()