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I do not understand why pseudo classes like :focus-within need to be within the :host() function br… Read more Why Do Pseudoclasses On The Host Element Have To Be Inside Of The Host Function?

I'm beginning to use custom elements, and one thing I can't figure out is sharing styling. … Read more Shared Styling With Custom Html Elements?

I have a custom element, called x-foo. I would like to extend it, and create an x-foo-extended elem… Read more How To Extend An Existing Custom Element?

I am trying to create a custom table row but having difficulty getting it to behave properly. I… Read more Creating A Custom Table Row

I am trying webcomponents in a sample app. Since some of the specs are not included in some browser… Read more Html Import Webcomponents Polyfill Not Working In Firefox

What is the difference between HTMLImports.whenReady and window.addEventListener('WebComponent… Read more What Is The Difference Between `htmlimports.whenready` And `window.addeventlistener('webcomponentsready', Function(e) {`