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Run results for:
innerHTML vs insertAdjacentHTML vs appendChild vs insertAdjacentElement
innerHTML vs insertAdjacentHTML vs appendChild vs insertAdjacentElement
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<iframe src="https://measurethat.net/Embed?id=576798" 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
1) innerHTML +=
4.7M/s
2) insertAdjacentHTML
4.6M/s
3) appendChild
4.0M/s
4) insertAdjacentElement
3.5M/s
View exact numbers
Test name
Executions per second
✓
1) innerHTML +=
4,732,837 Ops/sec
2) insertAdjacentHTML
4,597,724 Ops/sec
3) appendChild
3,976,695 Ops/sec
4) insertAdjacentElement
3,450,125 Ops/sec
Script Preparation code:
box1 = document.createElement("div"); box2 = document.createElement("div"); box2HTML = box2.innerHTML;
Tests:
1) innerHTML +=
box1.innerHTML += box2HTML;
2) insertAdjacentHTML
box1.insertAdjacentHTML('beforeend', box2HTML);
3) appendChild
box1.appendChild(box2);
4) insertAdjacentElement
box1.insertAdjacentElement('beforeend', box2);