Run results for: parseFromString vs cloneNode

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 months ago

Test name	Executions per second
createElement	18.9 Ops/sec
cloneNode	28.9 Ops/sec

Script Preparation code:

var markup = '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1"><g class="joint-port"/></svg>';

Tests:

createElement
var list = [], n = 0; while(true) { n++; list.push(new DOMParser().parseFromString(markup, 'text/xml')); if(n===1000) break; }
cloneNode
var list = [], n = 0, node = new DOMParser().parseFromString(markup, 'text/xml'); while(true) { n++; list.push(node.cloneNode(true)); if(n===1000) break; }