Run results for: createElement vs cloneNode

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/119.0.6045.109 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 119

Operating system: iOS 17.1

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
createElement	45.7 Ops/sec
cloneNode	72.3 Ops/sec

Tests:

createElement
var list = [], n = 0; while(true) { n++; list.push(document.createElement('div')); if(n===100000) break; }
cloneNode
var list = [], n = 0, node = document.createElement('div'); while(true) { n++; list.push(node.cloneNode(true)); if(n===100000) break; }

Run results for: createElement vs cloneNode

Faster way to create new dom elements before insertion

createElement

cloneNode