Run results for: innerHTML vs element.firstChild.remove()

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:136.0) Gecko/20100101 Firefox/136.0

Browser: Firefox 136

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

element.firstChild.remove()

7.4M/s

innerHTML

5.0M/s

View exact numbers

Test name	Executions per second
✓ element.firstChild.remove()	7,385,294 Ops/sec
innerHTML	4,986,938 Ops/sec

HTML Preparation code:

<div id="container"></div>

Script Preparation code:

var node = document.getElementById('container');

for(var i = 0; i < 1000; i++) node.appendChild(document.createElement('div'));

Tests:

innerHTML
var node = document.getElementById('container'); node.innerHTML = '';
element.firstChild.remove()
var node = document.getElementById('container'); while (node.firstChild) { node.firstChild.remove() }