Run results for: custom element vs div init

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:145.0) Gecko/20100101 Firefox/145.0

Browser: Firefox 145

Operating system: Linux

Device Platform: Desktop

Date tested: 8 months ago

div

554/s

class

108/s

View exact numbers

Test name	Executions per second
✓ div	554 Ops/sec
class	108 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

class Custom extends HTMLElement {
    constructor() {
        super()
    }
}

customElements.define("custom-me", Custom)

function create() {
    return document.createElement('div')
}

Tests:

div
for(let i = 0; i< 10000; i++){create()}
class
for(let i = 0; i< 10000; i++){new Custom()}