Angular
Description of service:
Price: 250.000 ₸
Period of execution: 2 weeks
Angular is a popular framework for developing web applications, created and maintained by Google. It enables the creation of dynamic, single-page applications (SPAs) using TypeScript, which provides strong typing and enhanced tool support.
Advantages of using Angular:
Structured and Organized Code:
- Use of components, modules, and services allows easy scaling and maintenance of applications.
- Separation of logic and presentation improves readability and simplifies project work.
TypeScript:
- Strong typing and the ability to use modern JavaScript features.
- Enhanced tool support and automatic error checking.
Templates and Directives:
- Declarative approach to creating user interfaces using templates.
- Directives allow extending HTML functionality.
RxJS and Reactive Programming:
- Built-in support for RxJS to manage asynchronous operations.
- Reactive approach to data and event handling.
Tools and Ecosystem:
- Angular CLI (Command Line Interface) for code generation, dependency management, and build tasks.
- Large ecosystem of libraries and tools for testing, building, and deploying applications.
Disadvantages of using Angular:
Complexity:
- Steep learning curve, especially for beginners.
- Requires understanding of TypeScript and reactive programming concepts.
Size:
- The framework and its dependencies can increase the size of the final application, affecting load time.
Examples of using Angular:
-
Creating Components:
- Components are the main building blocks of Angular applications. Each component consists of an HTML template, CSS styles, and TypeScript logic.
-
Routing:
- Angular provides a powerful routing module for creating navigation between pages and dynamically loading components.
-
Forms and Validation:
- Angular supports reactive and template-driven forms with client-side validation capabilities.
Sample Angular Code:
// app.component.ts
import { Component } from '@angular/core';
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css']
})
export class AppComponent {
title = 'Hello, Angular!';
}
// app.component.html
<div class="container">
<h1>{{ title }}</h1>
<button (click)="changeTitle()">Click Me!</button>
</div>
// app.component.css
.container {
text-align: center;
margin-top: 50px;
}
button {
padding: 10px 20px;
background-color: #007bff;
color: #fff;
border: none;
border-radius: 5px;
cursor: pointer;
}
button:hover {
background-color: #0056b3;
}
// app.module.ts
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }