Run results for: Test (innerHTML, replaceChildren, remove, removeChild)

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.3.2

Device Platform: Mobile

Date tested: one year ago

removeChild

39.2M/s

remove

36.2M/s

innerHTML

12.5M/s

replaceChildren

5.4M/s

View exact numbers

Test name	Executions per second
✓ removeChild	39,214,284 Ops/sec
remove	36,181,492 Ops/sec
innerHTML	12,538,710 Ops/sec
replaceChildren	5,380,451 Ops/sec

HTML Preparation code:

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

Script Preparation code:

const node = document.getElementById('parent');
const child = document.createElement('div')
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
const node = document.getElementById('parent'); while(node.firstChild) node.firstChild.remove()
removeChild
const node = document.getElementById('parent'); while(node.firstChild) node.removeChild(node.firstChild)