Run results for: innerhtml vs removechild

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/85.0.4183.109 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 85

Operating system: iOS 14.0

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
innerHTML	1597240.0 Ops/sec
removeChild	7139680.0 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)

Run results for: innerhtml vs removechild

innerHTML

removeChild