# Web Components in Unsupported Browsers

What happens to Web Components (Custom Elements and Shadow DOM) in unsupported browsers? 
	In this screencast I'm creating a Custom Element with Shadow DOM
    from scratch and run the sample in Firefox, Safari and Chrome. Patching (aka polyfill) included:






See you at Structuring Single Page Applications (SPA)s / Progressive Web Applications (PWA)s with WebComponents -- the "no frameworks, no migrations" approach, at Munich Airport, Terminal 2 or webcomponents.training (online).