In our Angular 4 app, we've a    <parent-component> which has a <form> The <form> has <level-1-child> The <level-1-child> has <level-2-child> The <level-2-child> has <textarea>   What we need to do?...

My target is to send data from Angular component to service and use service methods to work on it. Example:  export class SomeComponent {     public data: Array<any> = MyData;     public constructor(private myService: MyService) {       this.my...

This is in continuation of the previous question I asked on SO: Add directives to component selector when it is declared - Angular 7  I am dynamically creating components on a button click. The components are displayed one below another in a list lik...

Sorry if it's a silly question but i am a noob in angular 1.5.x   I am using es6 class based components with one way data bindings throughout the app(best practices as far as i know).  I have a Container Component. It has a Sidebar Component and...

I have a strange problem where by the form submit event of my child form is firing twice on my parent form.  child.component.html  <form [formGroup]="childForm" (ngSubmit)="childFormSubmit()">   ... </form>   child.compone...

I'm writing an AngularJS component and I was wondering what's the correct way to add ngdoc annotation both to the component itself and to the controller function.  Do you have any examples?...

Taken from the AngularJS 1 documentation:     You can also make the binding optional by adding ? : <? or <?attr.   How does the optional one differ from the non-optional one for the one-way binding?  I can seem to figure out the differences for...

I am new to Angular and am running into an issue with the constructor on a child component being called twice, and the second time it is called it is clearing the properties set the first time.  This is the parent component:  @Component({     selecto...

Error     compiler.js:215 Uncaught Error: Template parse errors:   Can't bind to 'ngbCollapse' since it isn't a known property of 'div'. ("][ngbCollapse]="isHidden">   I have a NavbarComponent and a FooterCompon...

I have piece of html I want to show as a component, as I'm not manipulating the DOM.  As a directive it works fine, but as a component it doesn't. I have made components before with no problem, just can't see what the issue is here. If I...