Run results for: Test (while or forEach)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser: Chrome 108

Operating system: Windows

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
Wb1VDOC7')) OR 455=(SELECT 455 FROM PG_SLEEP(15))--	2393813.8 Ops/sec
replaceChildren	1947323.5 Ops/sec
remove by while	22930084.0 Ops/sec
removeChild by while	19834692.0 Ops/sec
remove by forEach	1232102.6 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