Custom Elements are a feature of HTML that provide a way for you to build your own fully-featured DOM elements and use them in your HTML markup, CSS stylesheets, and JavaScript code
I've been unable to find a definitive answer to whether custom tags are valid in HTML5, like this: <greeting&…
html custom-elementWeb Components are the hot new thing, and a true web standard, everybody is talking about them and presumably using …
internet-explorer-11 web-component polyfills custom-elementI have a custom element my-checkbox that wraps a checkbox, label, styling, etc. When that checkbox is toggled I am …
javascript dom web-component shadow-dom custom-elementI'm trying to detect whether a custom element with a specific name was registered or not. Is there a way …
javascript html w3c web-component custom-elementI am new to web development and recently I have been seeing much debate and talks about Custom Elements v1. …
javascript html web-component shadow-dom custom-elementCode Consider the following Polymer custom element: <dom-module id="test-element"> <template> <input type="text" value="{{…
javascript polymer custom-elementUncaught DOMException: Failed to execute 'define' on 'CustomElementRegistry': this name has already been used with this registry at http://127.0.0.1:8000/components/@…
polymer web-component custom-element polymer-3.xI'm developing for sending an Array as element's attribute. File form-list.html So, for using the element and pass the …
javascript polymer polymer-1.0 custom-elementI have a custom element defined like so: class SquareLetter extends HTMLElement { constructor() { super(); this.className = getRandomColor(); } } customElements.define("square-letter", …
javascript html custom-elementI'm facing this issue while running polymer init on polymer-cli. Uncaught DOMException: Failed to execute 'define' on 'CustomElementRegistry'
polymer web-component polymer-2.x custom-element