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Run results for:
createElement vs cloneNode + querySelector
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<iframe src="https://measurethat.net/Embed?id=593022" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Browser:
Chrome 134
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
cloneNode + querySelector
11/s
createElement
10/s
View exact numbers
Test name
Executions per second
✓
cloneNode + querySelector
11 Ops/sec
createElement
10 Ops/sec
Tests:
createElement
let elements = []; for(let n=0; n<=100000;n++) { let container = document.createElement('div'); container.className = "container"; let divOne = document.createElement('div'); divOne.className = "divOne"; container.appendChild(divOne); let divTwo = document.createElement('div'); divTwo.className = "divTwo"; container.appendChild(divTwo); let divThree = document.createElement('div'); divThree.className = "divThree"; container.appendChild(divThree); elements.push({container, divOne, divTwo, divThree}); }
cloneNode + querySelector
let elements = []; const container = document.createElement('div'); container.className = "container"; let divOne = document.createElement('div'); divOne.className = "divOne"; container.appendChild(divOne); let divTwo = document.createElement('div'); divTwo.className = "divTwo"; container.appendChild(divTwo); let divThree = document.createElement('div'); divThree.className = "divThree"; container.appendChild(divThree); for(let n=0; n<=100000;n++) { const element = container.cloneNode(true); elements.push({ container: element, divOne: element.querySelector('.divOne'), divTwo: element.querySelector('.divTwo'), divThree: element.querySelector('.divThree') }); }