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

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; SM-J600FN) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.116 Mobile Safari/537.36 EdgA/46.04.2.5157

Browser: Chrome Mobile 77

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
innerHTML	240878.1 Ops/sec
removeChild	359699.5 Ops/sec
removeChild backwards	368087.0 Ops/sec
innerText	204782.9 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