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Run results for:
createElement vs cloneNode with option and fragment
Faster way to create new dom elements before insertion
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<iframe src="https://measurethat.net/Embed?id=530494" 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/17.5 Safari/605.1.15
Browser:
Safari 17
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
cloneNode
102/s
cloneNode fragment
90/s
createElement
84/s
View exact numbers
Test name
Executions per second
✓
cloneNode
102 Ops/sec
cloneNode fragment
90 Ops/sec
createElement
84 Ops/sec
Tests:
createElement
var datalist = document.createElement('datalist') n = 0, node = document.createElement('option'); while(true) { n++; let o = document.createElement('option') o.value = n.toString() datalist.appendChild(o); if(n===5000) break; }
cloneNode
var datalist = document.createElement('datalist') n = 0, node = document.createElement('option'); while(true) { n++; let o = node.cloneNode(false) o.value = n.toString() datalist.appendChild(o); if(n===5000) break; }
cloneNode fragment
var f = new DocumentFragment() var datalist = document.createElement('datalist') n = 0, node = document.createElement('option'); while(true) { n++; let o = node.cloneNode(false) o.value = n.toString() f.appendChild(o); if(n===5000) break; } datalist.appendChild(f)