Learn how to define, use, style, and add content to custom elements with JavaScript and Web Components. Explore how to integrate custom elements with web frameworks.

This elm package has an associated 'pdf-element' npm package; together they provide a custom element for rendering PDFs in elm, using mozilla's pdf.js library. Using a tool like parcel (which is very ...

By establishing a “blank" user interface in standard Web technologies, Mozilla puts customization within reach of more users.