Safari shipped support for Shadow DOM v1 in Safari 10, and has completed implementation of Custom Elements v1 in WebKit. as of Chrome 53 and Chrome 54 respectively.
Chrome supports the two major specs that make up Web Components - Shadow DOM and Custom Elements Today, thanks to broad collaboration between browser vendors, the next-generation of the Web Components spec - v1 - is gaining wide support. You may have heard of Web Components before - an early version of the Web Components spec - v0 - was shipped in Chrome 33. Because Web Components are built with platform API’s which include powerful encapsulation primitives, you can even use these components within other JavaScript libraries or frameworks as if they were standard DOM elements. Each new custom element can have a custom tag like, and have all the goodness of built-in elements - custom elements can have properties and methods, fire and respond to events, and even have an encapsulated style and DOM trees to bring along their own look and feel.īy providing a platform-based, low-level component model, Web Components let you build and share re-usable elements for everything from specialized buttons to complex views like datepickers. Web Components are a set of new web platform features that let you create your own HTML elements. Ever wanted to build your own self-contained JavaScript component, that you can easily use across multiple projects or share with other developers regardless of what JavaScript framework they use? Web Components may be for you.
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