what is module?

 what is module?

 

In Angular, a module is a mechanism to group components, directives, pipes and services that are related, in such a way that can be combined with other modules to create an application. An Angular application can be thought of as a puzzle where each piece (or each module) is needed to be able to see the full picture.

How to create a module:

Syntax:  ng generate module user-auth

And create a component inside the module(user-auth).

Syntax: ng generate component  user-auth/login

 After create a component inside the module:
 

How to use login component in app.module.ts.

Step 1: Here login is component and here exports this component in the user-auth.module.ts

 Step 2: in the app.module.ts. we can imports the module(userAuthModule) in Imports:[ UserAuthModule], section

Step 3:  In the app.component.html. we can add the component(<app-login></app-login>) here

Step 4: 

 

Step 5: output