Angular vs AngularJS: Key Differences and Which One to Choose

Angular vs AngularJS

Angular vs AngularJS

When it comes to building dynamic, single-page web applications, Angular and AngularJS are two of the most popular frameworks developers turn to. However, despite their similar names, they are fundamentally different in terms of architecture, features, and use cases.

At IT Path Solutions, we often receive queries from clients about the differences between Angular vs AngularJS and which one is better suited for their projects. In this blog, we’ll break down the key differences, features, and advantages of Angular vs AngularJS to help you make an informed decision.

What is Angular?

AngularJS, the predecessor to Angular, is an open-source JavaScript-based framework also developed by Google. It was designed to simplify front-end development by extending HTML with additional attributes and providing a framework for dynamic web applications. AngularJS follows the Model-View-Controller (MVC) architecture and is widely used for building SPAs.

Key Features of Angular

  1. TypeScript-Based: Angular uses TypeScript, which provides static typing, better tooling, and improved code quality.
  2. Component-Based Architecture: Angular applications are built using components, which are reusable and modular pieces of code.
  3. Dependency Injection: Angular’s dependency injection system makes it easier to manage and test services.
  4. Two-Way Data Binding: Angular simplifies synchronization between the model and the view, ensuring real-time updates.
  5. Cross-Platform Compatibility: Angular supports web, mobile, and desktop applications, making it a versatile choice for developers.
  6. Enhanced Performance: Angular’s ahead-of-time (AOT) compilation and tree-shaking features improve application performance.

Also Read :- Angular vs Vue: Which Is The Best Framework For Your Application

What is AngularJS?

AngularJS, the predecessor to Angular, is an open-source JavaScript-based framework also developed by Google. It was designed to simplify front-end development by extending HTML with additional attributes and providing a framework for dynamic web applications. AngularJS follows the Model-View-Controller (MVC) architecture and is widely used for building SPAs.

Key Features of AngularJS

  1. JavaScript-Based: AngularJS is built using JavaScript, making it easier for developers familiar with JS to get started.
  2. MVC Architecture: AngularJS separates the application logic (Model), the user interface (View), and the business logic (Controller).
  3. Two-Way Data Binding: Changes in the UI are automatically reflected in the application logic and vice versa.
  4. Directives: AngularJS uses directives to extend HTML functionality, enabling dynamic content rendering.
  5. POJO Model: AngularJS uses Plain Old JavaScript Objects (POJO), eliminating the need for additional getter and setter functions.
  6. Large Community Support: AngularJS has a massive community of developers and extensive documentation.

Advantages of Angular Over AngularJS

  1. Improved Performance: Angular’s AOT compilation and smaller bundle sizes result in faster load times and better performance.
  2. Modularity: Angular’s modular architecture allows developers to break down applications into smaller, reusable components.
  3. TypeScript Benefits: TypeScript offers better error detection, improved code readability, and enhanced tooling support.
  4. Mobile Development: Angular supports mobile app development through frameworks like Ionic.
  5. Future-Proof: Angular is actively maintained and updated by Google, ensuring long-term support and compatibility.

Advantages of AngularJS Over Angular

  1. Ease of Use: AngularJS is easier to learn for developers familiar with JavaScript.
  2. Rapid Prototyping: AngularJS allows for quick development and prototyping of applications.
  3. Large Ecosystem: AngularJS has a vast library of plugins and extensions.
  4. Legacy Support: Many existing applications still use AngularJS, making it relevant for maintenance and updates.

Which One Should You Choose?

The choice between Angular and AngularJS depends on your project requirements, team expertise, and long-term goals.

  • Choose Angular if:
    • You’re building a new, large-scale application.
    • You need high performance and scalability.
    • Your team is comfortable with TypeScript.
    • You want a future-proof framework with active support.
  • Choose AngularJS if:
    • You’re working on a small project or prototype.
    • Your team is more familiar with JavaScript.
    • You need to maintain or update an existing AngularJS application.

Angular vs AngularJS: A Side-by-Side Comparison

Parameter

Angular

AngularJS

Supportive LanguageLargely uses TypeScriptOnly JavaScript Supported
ResponsiveYes. Fully optimised for mobiles.Not a robust support for Mobiles. 
ArchitectureComponents BasedMVC & MVVC
Learning DifficultyIt a challenge to learn AngularAngularJS is relatively easy as compared to Angular
Dependency InjectionUses Hierarchical InjectionUses Directives instead of Dependency Injection
Routing CommandCan route between multiple views using @Route Config{(…)}Can define routing with @routeProvider.when() 
Command Line InterfaceInbuilt AngularCLI toolDoesn’t have CLI tool
ExamplesWeb versions of Gmail, UpworkNetflix & Istock website. 

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Conclusion

Both Angular and AngularJS have their unique strengths. While AngularJS works well for simpler, quick projects, Angular is the preferred choice for modern, high-performance applications.

At IT Path Solutions, we specialize in custom development using both Angular and AngularJS. Whether you’re looking to migrate from AngularJS to Angular or start a new project from scratch, our expert team is here to guide you.

 

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Keyur Patel
Keyur Patel
Co-Founder

Keyur Patel is the director at IT Path Solutions, where he helps businesses develop scalable applications. With his extensive experience and visionary approach, he leads the team to create futuristic solutions. Keyur Patel has exceptional leadership skills and technical expertise in Node.js, .Net, React.js, AI/ML, and PHP frameworks. His dedication to driving digital transformation makes him an invaluable asset to the company.