Uses of HostListener

What is HostListener Decorator?

The @HostListener decorator in Angular provides a convenient way to listen for events on the host element of a component. It allows to define event handlers directly within the component class. In order to listen to events on the host element of the directive or component, one uses Angular’s @HostListener decorator. This decorator function takes an event name as a parameter. The related function is called by the host element when that event is fired....

Features of HostListener

Better Type Inference: Angular 17 reduce the requirement for manual type annotations by providing improved type inference for event arguments in @HostListener decorators. Event Modifier Support: To provide more streamlined event processing, it might be improved to include event modifiers like .prevent, .stop in @HostListener decorators.Dynamic Event Binding: Using @HostListener, Angular 17 may bring the capability to dynamically bind event listeners, opening up more adaptable event handling scenarios.Conditional Event Handling: Depending on specific requirements inside the component or directive, modifications may be made to enable conditional event handling....

Uses of HostListener

Event Parameterization: Event data like coordinates, target element, key codes, etc. may be accessed by capturing event objects with @HostListener and giving them as parameters to event handler functions.Type Safety: TypeScript’s @HostListener reduces the possibility of runtime errors by enabling you to declare the type of event objects being supplied to the event handler methods.Integration with Directives: To attach event listeners to host elements and define associated behavior based on user interactions or other events, @HostListener is frequently used within directives.Dynamic Event Binding: To handle events more adaptably, @HostListener can be used to dynamically bind event listeners based on component state or other criteria....

Steps to Create Angular Project

Step 1: Create the angular project using the following command....