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Run results for:
JS: insertBefore vs appendChild vs prepend vs insertAdjacentElement
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=529744" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4.1 Safari/605.1.15
Browser:
Safari 17
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
appendChild
2.4M/s
insertBefore
2.4M/s
insertAdjacentElement
2.2M/s
prepend
2.0M/s
View exact numbers
Test name
Executions per second
✓
appendChild
2,420,890 Ops/sec
insertBefore
2,394,456 Ops/sec
insertAdjacentElement
2,191,017 Ops/sec
prepend
1,999,746 Ops/sec
HTML Preparation code:
<div id="container"></div>
Script Preparation code:
var container = document.getElementById("container"); var paragraph = document.createElement("p");
Tests:
insertBefore
container.insertBefore(paragraph, null);
appendChild
container.appendChild(paragraph);
prepend
container.prepend(paragraph);
insertAdjacentElement
container.insertAdjacentElement('afterbegin', paragraph);