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 month ago

Test name	Executions per second
innerHTML	12751295.0 Ops/sec
replaceChildren	9276551.0 Ops/sec
remove by while	60487960.0 Ops/sec
removeChild by while	60885232.0 Ops/sec
remove by forEach	12744576.0 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()

Run results for: Test (while or forEach)

Test (while or forEach)

innerHTML

replaceChildren

remove by while

removeChild by while

remove by forEach