Defining Custom Elements

[LeaVerou]

Defining custom elements for use by others.

Code sample

class MyElement extends HTMLElement { … }
customElements.define("my-element", MyElement);

MDN URL:

https://developer.mozilla.org/en-US/docs/Web/API/CustomElementRegistry/define

Specification URL:

https://html.spec.whatwg.org/multipage/custom-elements.html#dom-customelementregistry-define-dev

Any other links?

No response

How stable is this feature?

Stable (Widely supported for several years)

Type of feature

JS API

What focus area does this feature fall under?

Making Web Components

Details

This question needs to be the first in the "Making Web Components" section.