Run results for: createElement vs cloneNode

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36

Browser: Chrome 64

Operating system: Windows 8.1

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
createElement	2.6 Ops/sec
cloneNode	8.0 Ops/sec

Tests:

createElement
var list = [], n = 0; while(true) { n++; list.push(document.createElement('div')); list[list.length-1].appendChild(document.createElement('div')); list[list.length-1].appendChild(document.createElement('div')); if(n===100000) break; }
cloneNode
var list = [], n = 0, node = document.createElement('div'); node.appendChild(document.createElement('div')); node.appendChild(document.createElement('div')); while(true) { n++; list.push(node.cloneNode(true)); if(n===100000) break; }