I made a simple example using Web Components with two custom elements (v1) where one is nested in another. index.html:  <!DOCTYPE html> <html> <head>   <meta charset="utf-8">   <title>Example</title>   &l...
This question is more aimed at user-created shadow DOM elements, but for accessibility I'll use the date input type for this question:  Say for example I have a date input on my page. With a couple of bits edited out, the shadow DOM markup for...
Say if I want to create a custom element using shadow dom. Some elements in the template have class names specified in the linked css file. Now I want to let the css rules have effects on the elements. But I can't achieve that because of the sh...
In web components, to register an element you simply type:  var XFoo = document.registerElement('x-foo', {   prototype: Object.create(HTMLElement.prototype) });   To create an element you can do one of these:  <x-foo></x-foo>  var...
I am looking into structuring vanilla web-components. I have previously used Polymer and like the fact that you can have the template, styles and JavaScript in one file for your component. I want to achieve this with 'vanilla' web components...
Consider, I have few elements which use Shadow DOM to hide their internal div-soup and layout.  Even tough they are different, they share the same CSS style sheet, as they are using the same set of elements that are supposed to be styled in consisten...
Ideally, I'd like to create a stand-alone Angular 2 component (with tests) and then re-use it between two or three different Angular 2 sites. What are the good ways to achieve this? And a bonus question - do any 3rd party Angular 2 components exi...
I'm trying to detect whether a custom element with a specific name was registered or not. Is there a way to make such check?  Or is there a way to get list of registered custom elements?  I do document.registerElement, but what else is there? Is...
I am creating a web component using native implementation, which in it's html template has links to images. However, those links only work if they are absolute, or relative to the main document, which means, that that component is not reusable, o...
I was listening to this episode of JavaScript Jabber:  http://javascriptjabber.com/120-jsj-google-polymer-with-rob-dodson-and-eric-bidelman/  At one point Rob says:     And everyone has this first inclination, because it makes so much sense. You’re...

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