List the decorators in Angular and their uses

Question

Accepted Answer

Decorators are used in Angular to modify classes, methods, and properties at compile-time.

Component: marks a class as an Angular component and provides metadata about the component
Directive: marks a class as an Angular directive and provides metadata about the directive
Pipe: marks a class as an Angular pipe and provides metadata about the pipe
Injectable: marks a class as an Angular service and provides metadata about the service
NgModule: marks a class as an Angular module and provides metadata about the module
Input: declares a data-bound input property
Output: declares an event-bound output property
HostBinding: binds a property of the host element to a directive property
HostListener: listens for a host element event
ContentChild: queries for a directive or component that is a content child of the current component
ContentChildren: queries for multiple directives or components that are content children of the current component
ViewChild: queries for a directive or component that is a view child of the current component
ViewChildren: queries for multiple directives or components that are view children of the current component

Top Vista Foundation Full Stack Developer interview questions & answers