Benchmark: Compare appendChild after createElement, vs appendChild after getElementById (version: 4) (version: 1)

HTML Preparation code:

<section id="container"></section>

Tests:

appendChild to fragment, then append after getElementById (with cloneNode)
let fragment = document.createDocumentFragment(); let elem = document.createElement("div"); for (let i = 0; i < 100; i++) { fragment.appendChild(elem); elem = elem.cloneNode(); } let container = document.getElementById("container"); container.appendChild(elem)
appendChild to fragment, then append after createElement (with cloneNode)
let fragment = document.createDocumentFragment(); let elem = document.createElement("div"); for (let i = 0; i < 100; i++) { fragment.appendChild(elem); elem = elem.cloneNode(); } let container = document.createElement("section"); container.appendChild(elem)

Rendered benchmark preparation results:

Previous results

Test case name	Result
appendChild to fragment, then append after getElementById (with cloneNode)
appendChild to fragment, then append after createElement (with cloneNode)

ⓘ Get performance results from real users on your website with Request Metrics.

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Firefox/91.0

Browser/OS: Firefox 91 on Mac OS X 10.15

Test name	Executions per second
appendChild to fragment, then append after getElementById (with cloneNode)	16487.8 Ops/sec
appendChild to fragment, then append after createElement (with cloneNode)	14868.2 Ops/sec

Compare appendChild after createElement, vs appendChild after getElementById (version: 4) (version: 1) (version: 1)