Run results for: createElement vs cloneNode

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; Redmi Note 9 Pro) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Mobile Safari/537.36 OPR/61.2.3076.56749

Browser: Opera Mobile 61

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
createElement	6.3 Ops/sec
cloneNode	9.8 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