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Run results for:
Single append vs multiple appendChild for large number of nodes
Just how bad is appendChild compared to append, anyway?
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=618260" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Gecko/20100101 Firefox/140.0
Browser:
Firefox 140
Operating system:
Linux
Device Platform:
Desktop
Date tested:
7 months ago
Test name
Executions per second
append
164.1 Ops/sec
appendChild
150.0 Ops/sec
HTML Preparation code:
<div id="wrapper"></div>
Script Preparation code:
window.items = Array.from({ length: 1024 }, () => document.createElement('div')); window.wrapper = document.getElementById('wrapper');
Tests:
append
Element.prototype.append.apply(wrapper, items);
appendChild
for (let element of items) wrapper.appendChild(element);