Run results for: createElement vs cloneNode

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4595.0 Safari/537.36 OPR/80.0.4150.0 (Edition developer)

Browser: Opera 80

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
createElement	3.8 Ops/sec
cloneNode	9.3 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