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Run results for:
innerHTML vs appendChild
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=576797" 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/18.0.1 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
appendchild
425.9 Ops/sec
innerHTML +=
95.8 Ops/sec
Script Preparation code:
box1 = document.createElement("div"); box2 = document.createElement("div"); box2HTML = box2.innerHTML;
Tests:
appendchild
for(let i = 0; i < 10000; i++) { box1.appendChild(box2); }
innerHTML +=
for(let i = 0; i < 10000; i++) { box1.innerHTML += box2HTML; }