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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=601763" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Browser:
Chrome 135
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
1) innerHTML +=
8.8M/s
2) insertAdjacentHTML
3.6M/s
3) appendChild
1.7M/s
4) insertAdjacentElement
1.7M/s
View exact numbers
Test name
Executions per second
✓
1) innerHTML +=
8,808,815 Ops/sec
2) insertAdjacentHTML
3,561,247 Ops/sec
3) appendChild
1,691,205 Ops/sec
4) insertAdjacentElement
1,682,284 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);