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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=589584" 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/18.2 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 +=
20.1M/s
3) appendChild
17.4M/s
2) insertAdjacentHTML
17.3M/s
4) insertAdjacentElement
15.5M/s
View exact numbers
Test name
Executions per second
✓
1) innerHTML +=
20,119,022 Ops/sec
3) appendChild
17,400,622 Ops/sec
2) insertAdjacentHTML
17,340,110 Ops/sec
4) insertAdjacentElement
15,482,321 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);