Architecture of Angular
Angular might sound complex at first, but think of it like building something out of Lego blocks.
Each part has a role, and together they create powerful web applications.
Each part has a role, and together they create powerful web applications.
Components
The building blocks of an Angular app.
Example:
A header, navigation menu, footer, or login form each can be its own component.
The building blocks of an Angular app.
Example:
A header, navigation menu, footer, or login form each can be its own component.
Components decide what you see on the page and what happens when you interact with it.
Templates
Templates define how your components look. They use regular HTML mixed with special Angular syntax (like *ngIf or {{ }}) to make the page dynamic.
Example:
Show or hide something based on a condition.
Templates
Templates define how your components look. They use regular HTML mixed with special Angular syntax (like *ngIf or {{ }}) to make the page dynamic.
Example:
Show or hide something based on a condition.
Directives
Directives are special instructions you add to your HTML to tell Angular how to behave.
Example:
Services
Services hold the logic and behind-the-scenes work that you don not want in your components.
Example:
By keeping this logic in services, your components stay cleaner and easier to manage.
Directives are special instructions you add to your HTML to tell Angular how to behave.
Example:
- *ngIf: show or hide an element based on a condition
- *ngFor: repeat an element for each item in a list
Services
Services hold the logic and behind-the-scenes work that you don not want in your components.
Example:
- Fetching data from an API
- Managing user login status
By keeping this logic in services, your components stay cleaner and easier to manage.
Modules
Modules group related components, services, and directives together. They help organize your app into sections or features.
Example:
AppModule is the main module of every Angular app.
Dependency Injection
This is a design pattern that makes it easy to share services or data between parts of your app.
Instead of each part creating its own copy, they “ask” Angular to provide it.
Modules group related components, services, and directives together. They help organize your app into sections or features.
Example:
AppModule is the main module of every Angular app.
Dependency Injection
This is a design pattern that makes it easy to share services or data between parts of your app.
Instead of each part creating its own copy, they “ask” Angular to provide it.
Router
The Router handles navigation between different pages or views in your app.
The Router handles navigation between different pages or views in your app.
Example:
Clicking on “Home” shows the home page, and “About” shows the about page without reloading the whole website.
Data Binding
Data binding keeps your apps data and the user interface connected.
Example:
If a user updates their name, it automatically updates everywhere it is shown.
Lifecycle Hooks
These are special events in a components life cycle (like when it is created, updated, or destroyed).
You can use these hooks to run custom code at specific moments.
Modules and Dependencies
Modules let you group related features, like chapters in a book. Dependencies make sure each module has access to what it needs.
These are special events in a components life cycle (like when it is created, updated, or destroyed).
You can use these hooks to run custom code at specific moments.
Modules and Dependencies
Modules let you group related features, like chapters in a book. Dependencies make sure each module has access to what it needs.