Run results for: innerhtml vs removechild(firstChild) vs removechild(lastChild) vs innerText

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36 Edg/101.0.1210.53

Browser: Chrome 101

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
innerHTML	1158422.2 Ops/sec
removeChild	3194792.2 Ops/sec
removeChild backwards	3184199.5 Ops/sec
innerText	1810810.4 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 = '';
removeChild
var node = document.getElementById('container'); while(node.firstChild) node.removeChild(node.firstChild)
removeChild backwards
var node = document.getElementById('container'); while(node.lastChild) node.removeChild(node.lastChild)
innerText
var node = document.getElementById('container'); node.innerText = '';

Run results for: innerhtml vs removechild(firstChild) vs removechild(lastChild) vs innerText

innerHTML

removeChild

removeChild backwards

innerText