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That statement pasted in my question was copied from https://developer.mozilla.org/en-US/docs/Web/W… Read more How Deal "connectedcallback May Be Called Once Your Element Is No Longer Connected" Coding A Webcomponent

I'm trying to create a polyfill of sorts using the Custom Elements API for custom elements used… Read more Cannot Access Attributes Of A Custom Element From Its Constructor

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?

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) {`

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 don't know how to make a disqus comments code to work inside of my custom elements. Structu… Read more Disqus Comments Don't Work In A Polymer Custom Element

Here is my jsBin. The parent-element sets the value of the --custom-color property in the child-ele… Read more Polymer 1.x: Obtaining CustomStyles Property Value

How do I remove the click listener I bound to window in the constructor below? I need it to listen … Read more Remove Event Listener That Has Been Added Using Bind(this)