Run results for: CreateElement vs DOM Parser

Run details:

User agent: Mozilla/5.0 (Linux; Android 12; moto g(50) 5G) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/18.0 Chrome/99.0.4844.88 Mobile Safari/537.36

Browser: Chrome Mobile 99

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
CreateElement	1035070272.0 Ops/sec
CreateHTMLDocument	1051283072.0 Ops/sec
DOMParser	1050344384.0 Ops/sec

Script Preparation code:

var testString = '<body>' + Array(100001).join('<div>x</div>') + '</body>';

Tests:

CreateElement
function test_innerHTML() { var b = document.createElement('body'); b.innerHTML = testString; return b; }
CreateHTMLDocument
function test_createHTMLDocument() { var d = document.implementation.createHTMLDocument(''); d.body.innerHTML = testString; return d.body; }
DOMParser
function test_DOMParser() { return (new DOMParser).parseFromString(testString, 'text/html').body; }

Run results for: CreateElement vs DOM Parser

CreateElement

CreateHTMLDocument

DOMParser