
Below are the main differences between Angular NgModule and javascript module,

| NgModule | JavaScript module |
| --- | --- |
| NgModule bounds declarable classes only | There is no restriction classes |
| List the module's classes in declarations array only | Can define all member classes in one giant file |
| It only export the declarable classes it owns or imports from other modules | It can export any classes |
| Extend the entire application with services by adding providers to provides array | Can't extend the application with services |

What are the differences between ngmodule and javascript module?

Angular is a TypeScript-based open-source front-end platform that makes it easy to build applications with in web/mobile/desktop.

What is Angular Framework?

Modules are logical boundaries in your application and the application is divided into separate modules to separate the functionality of your application.

What is a Angular module?

What are the steps to use animation module?

Learn about ngcc, the Angular Compatibility Compiler, and how it allows you to use existing libraries in Angular Ivy projects.

What is ngcc in Angular Ivy and why is it important?

Polyfills are a tool for Angular developers, allowing them to use new features of JavaScript without worrying about compatibility with older browsers.

How to use polyfills in Angular application?

How do you manually register locale data?

The ngIf and hidden properties in Angular control element visibility in different ways.

NgModule	JavaScript module
NgModule bounds declarable classes only	There is no restriction classes
List the module's classes in declarations array only	Can define all member classes in one giant file
It only export the declarable classes it owns or imports from other modules	It can export any classes
Extend the entire application with services by adding providers to provides array	Can't extend the application with services