Run results for: innerhtml vs removeChild-firstChild vs removeChild-lastChild

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 OPR/73.0.3856.329

Browser: Opera 73

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

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-firstChild
var node = document.getElementById('container'); while(node.firstChild) node.removeChild(node.firstChild)
removeChild-lastChild
var node = document.getElementById('container'); while(node.lastChild) node.removeChild(node.lastChild)