The Angular renders component as shadow dom and attaches it to the app-shadowdom selector. Those components can be shared across applications if they are general enough. Shadow DOM refers to a subtree of DOM elements that renders as part of the document, but not into the main document DOM tree. Templates let you quickly answer FAQs or store snippets for re-use. In this option, Angular will not create the Shadow DOM for the component. Things become more clear when we explore how they affect the way Angular applies styles to components. A wrapper wraps the native DOM node in a wrapper node. Lets install Angular Material into our project. You can think of the shadow DOM as a “DOM within a DOM”. Shadow DOM is mostly about encapsulation of the implementation. You might guess why this is useful in our case. Imaginemos por ejemplo un portal de noticias, podriamos tener un web component para mostrar las últimas noticias, otro web component para … That’s why we see all those _ngcontent-* and _nghost-* attributes. Angular is a platform for building mobile and desktop web applications. let s = element.attachShadow({mode: 'closed'}); -you can't access SD. The Shadow DOM starts from #shadow-root element. We strive for transparency and don't collect excess data. Yesterday, I was struggling to overcome a CSS specificity issue in Angular 2's simulated shadow DOM functionality.After walking away from the problem, however, I realized that the issue was not in the shadow DOM emulation itself but rather in how I was applying CSS to my Angular 2 application. From here on, all the rules that apply to plain Shadow DOM, apply to our Angular component as well. single DOM tree in the browser; all JS and CSS works against the entire tree; no encapsulation, only with hacks; Shadow DOM. •Shadow tree: The DOM tree inside the shadow DOM. I’m really excited about the new HTML5 Web Components Standard.The Shadow DOM is particularly interesting, as it finally gives us encapsulated markup and styling. Shadow DOM was created to allow encapsulation and componentisation natively on the web platform without having to rely on tools like