What is Componentref? | ContextResponse.com

ComponentRef<C> class Represents an instance of a Component created via a ComponentFactory. ComponentRef provides access to the Component Instance as well other objects related to this Component Instance and allows you to destroy the Component Instance via the ComponentRef.

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Likewise, people ask, what is ViewContainerRef?

If you want to insert new component or template, you need to tell Angular where to put this element. And that's what ViewContainerRef is: A DOM element (container) where I can put your newly component as a sibling to this element.

Subsequently, question is, what is dynamic component in angular? Dynamic means, that the components location in the application is not defined at buildtime. That means, that it is not used in any angular template. Instead, the component is instantiated and placed in the application at runtime.

In this manner, what is ComponentFactory in angular?

ComponentFactorylink Base class for a factory that can create a component dynamically. Instantiate a factory for a given type of component with resolveComponentFactory() .

What is directive in angular?

Angular directives are used to extend the power of the HTML by giving it new syntax. Each directive has a name — either one from the Angular predefined like ng-repeat , or a custom one which can be called anything. And each directive determines where it can be used: in an element , attribute , class or comment .

Related Question Answers

What is TemplateRef and ViewContainerRef?

TemplateRef : It represents an embedded template that can be used to instantiate embedded. ViewContainerRef: It represents a container where one or more views can be attached.

What is NgTemplateOutlet?

NgTemplateOutlet is a directive that takes a TemplateRef and context and stamps out an EmbeddedViewRef with the provided context. The context is accessed on the template via let-{{templateVariableName}}=”contextProperty” attributes to create a variable the template can use.

What is view in angular?

Angular is a platform and framework for building client applications in HTML and TypeScript. Angular is written in TypeScript. Components define views, which are sets of screen elements that Angular can choose among and modify according to your program logic and data.

What is embedded view in angular?

Represents an Angular view in a view container. An embedded view can be referenced from a component other than the hosting component whose template defines it, or it can be defined independently by a TemplateRef .

What is an angular container?

Angular: The ng-container Element. ng-container is an element that's available in Angular 2+ and that can act as the host to structural directives. You can't use more than one template binding on an element.

What are custom elements in angular?

Angular Custom Elements are a recent addition to the Angular framework that allows you to create exportable components. In other words, whenever we create an Angular Element, we create a new custom HTML element that can be used on any webpage, even if that webpage does not use Angular at all.

What is angular loader?

In this article, we will learn how we can show the Loader in Angular 8 using Ngx spinner library. Ngx spinner is a library for loading spinner for Angular, which is meant to inform the user that data loading is in progress. Basically Loader is used to show the loading state of data in application.

What is dynamic loading in angular?

Dynamic component loadinglink This makes it impractical to use a template with a static component structure. Instead, you need a way to load a new component without a fixed reference to the component in the ad banner's template. Angular comes with its own API for loading components dynamically.

What is angular material design?

As per Google, "Material Design is a specification for a unified system of visual, motion, and interaction design that adapts across different devices. Our goal is to deliver a lean, lightweight set of AngularJS-native UI elements that implement the material design system for use in Angular SPAs."

What is a factory component?

A factory component is a composite activity. Structurally, it contains a set of viewpoints and a production plan. Behaviorally, it delegates its activities to other factory components or tasks.

What is $injector in AngularJS?

$injector is used to retrieve object instances as defined by provider, instantiate types, invoke methods, and load modules.

How do I make dynamic components in SketchUp?

Attributes make components dynamic by telling SketchUp what to do.

Adding attributes

1. Select the component you want to make dynamic.
2. On the Dynamic Components toolbar, click the Component Attributes tool ( ) or select Window > Component Attributes.
3. Click the Add Attribute plus sign icon to see a list of options.

What is a component in angular?

Components are a logical piece of code for Angular JS application. A Component consists of the following − Template − This is used to render the view for the application. This contains the HTML that needs to be rendered in the application. This part also includes the binding and directives.

What are custom elements HTML?

Custom elements allows you to extend existing (native) HTML elements as well as other custom elements. To extend an element, you need to pass registerElement() the name and prototype of the element to inherit from.

What is the use of ng template in angular 6?

ng-template is an Angular element used to render HTML templates. We use ng-template with angular *ngIf directive to display else template.

What is lazy loading in angular?

Lazy loading is a technique in Angular that allows you to load JavaScript components asynchronously when a specific route is activated. There are some good posts about lazy loading in angular, but I wanted to simplify it further.

What is @ViewChild?

The ViewChild decorator is used to gain access to a child component, found in the template, so that you can access its properties and methods.

What is pipe in angular?

Pipes are a useful feature in Angular. They are a simple way to transform values in an Angular template. There are some built in pipes, but you can also build your own pipes. A pipe takes in a value or values and then returns a value.

How do you write a directive?

How to Write a Directive Letter

1. Clearly state your request or indicate what needs to be done and give as much detail as necessary for the task, project, or other assignment to be accomplished.
2. Give the reason for the directive, if desired.
3. Specifically state how you expect the reader to proceed in order to accomplish the task.