I want to create a Web Component. I use a ShadowDom and after generating a list I want to add a click Event to each element of the list. But I wonder how to access the list. Neither the document nor the template shows me the items after a querySelect. My question: How can I access the generated list within
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Tag: web-component
Why I can not call method of WebComponent?
I wonder why I cannot call a method defined in web-component if I attached this component via .append instead of using tag name inside the template. Below I am providing few examples. One is not working(throwing an error). I wonder why this first example is throwing this error. Example 1 In this example, I am creating a web-component inside my
WebComponent that extends HTMLButtonElement is not calling constructor() and connectedCallBack()
I’m trying to create a web component button but when I add it in HTML the constructor() function is never being called. class MyButton extends HTMLButtonElement { title = “”; constructor({ …
Difference between HTML template content and innerHTML
Say I have an HTML tag that I define and select as follows:
This is my template
let myTemplate = document.querySelector(‘…
How can I share an Angular 2 component between multiple Angular 2 projects?
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 exist? AdvertisementAnswer UPDATE OFFICIAL Angular CLI https://angular.io/guide/creating-libraries You can create an […]
When should I use componentDidMount?
In React componentDidMount is used during the mounting phase, for example, one can setState and wrap it in componentDidMount. But, one can use setState directly and then render the component. In which cases should I prefer componentDidMount for a mounting phase? AdvertisementAnswer It’s useful for several things: Starting ajax As the documentation says, doing subscriptions […]
What happens to child nodes if there is no “, but a shadow root
Consider this code: //js class FooBar extends HTMLElement { constructor(){ super(); } } customElements.define(‘foo-bar’, FooBar);
Test</h1&…
How would I import a custom web component asynchronously?
I have made my custom input element (modern text input for forms) into a web component. The .js file that I made to implement it has three parts. The HTML Template: const textInputTemplate = …
How should I reference assets in angular custom element (Web Components)
I have created a web component and I referenced image from my asset folder in there as below on local everything is fine, I published my custom element to firebase host and javascript, css and asset folder already exist on my host. then I tried to use my web component in another html peage as […]
Listen for global events on a Web Component
I have a main.js that makes a call to an API and receives a response object. After the response, I want to fire an event that my Custom Web Component is listening for. makeRequest(request).then((…
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