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Run results for:
createElement vs cloneNode from DOM
Performance test of creating html structure through createElement vs cloning structure from DOM with cloneNode.
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<iframe src="https://measurethat.net/Embed?id=561311" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Browser:
Chrome 128
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
cloneNode
11/s
createElement
10/s
View exact numbers
Test name
Executions per second
✓
cloneNode
11 Ops/sec
createElement
10 Ops/sec
HTML Preparation code:
<div class='container'> <div> <a href="#">link</a> </div> </div> <div id="appendedItems"></div>
Tests:
createElement
var itemsContainer = document.getElementById('appendedItems'); for (i=0; i < 10000; i++) { var fragment = document.createDocumentFragment(); var container = document.createElement('div'); container.className = 'container'; var div = document.createElement('div'); var a = document.createElement('a'); var aTextNode = document.createTextNode('link'); a.href = '#'; a.appendChild(aTextNode); div.appendChild(a); container.appendChild(div); fragment.appendChild(container); itemsContainer.appendChild(fragment); }
cloneNode
var itemsContainer = document.getElementById('appendedItems'); var container = document.querySelector('.container'); for (i=0; i < 10000; i++) { var fragment = document.createDocumentFragment(); var cloned = container.cloneNode(true); var a = cloned.querySelector('a'); a.href = '##'; a.textContent = 'newLink'; fragment.appendChild(cloned); itemsContainer.appendChild(fragment); }