Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
innerHTML vs insertAdjacentHTML vs createContextualFragment long HTML strings repeat 10
innerHTML vs insertAdjacentHTML vs createContextualFragment: Incrementally append long HTML strings.
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=604443" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0
Browser:
Firefox 138
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
innerHTML
0.3 Ops/sec
insertAdjacentHTML
28.6 Ops/sec
createContextualFragment
31.1 Ops/sec
HTML Preparation code:
<div id='id'></div>
Script Preparation code:
// Change these numbers to see how well they scale batch = 1000; repeat = 10;
Tests:
innerHTML
const box = document.getElementsByTagName("div").item(0); let html = ''; for (let i = 0; i < batch; i++) html += '<div class="a b"><div>Test</div></div>'; for (let i = 0; i < repeat; i++) box.innerHTML += html;
insertAdjacentHTML
const box = document.getElementsByTagName("div").item(0); let html = ''; for (let i = 0; i < batch; i++) html += '<div class="a b"><div>Test</div></div>'; for (let i = 0; i < repeat; i++) box.insertAdjacentHTML('beforeend', html);
createContextualFragment
const box = document.getElementsByTagName("div").item(0); let html = ''; for (let i = 0; i < batch; i++) html += '<div class="a b"><div>Test</div></div>'; for (let i = 0; i < repeat; i++) { const range = document.createRange(); range.selectNode(box); const documentFragment = range.createContextualFragment(html); box.appendChild(documentFragment); }