Difference Between Angular And Angularjs
Comparing Angular and AngularJS
Difference Between Angular And Angularjs
Angular.js, commonly referred to as AngularJS, is the first version of the Angular framework developed by Google. It uses JavaScript and follows the MVC (Model-View-Controller) architecture. AngularJS is a popular framework for building dynamic web applications. On the other hand, Angular, also known as Angular 2+ or just Angular, is a complete rewrite of AngularJS using TypeScript and following the component-based architecture. Angular is more powerful, efficient, and provides better performance than AngularJS. It also offers additional features like Angular CLI, Ivy rendering engine, and improved dependency injection.
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1 - Angular (also known as Angular 2+):
Angular is a modern, open source web application framework developed and maintained by Google. It is a complete rewrite of the original AngularJS framework, designed to address the shortcomings of AngularJS and offer improved performance, scalability, and maintainability. Angular uses TypeScript as its primary language and follows a component based architecture for building web applications.
2) AngularJS:
AngularJS, also known as Angular 1.x, is the original version of the Angular framework released by Google in 2010. It introduced concepts like two way data binding and dependency injection to simplify web development. However, AngularJS has limitations in terms of performance, scalability, and modularity compared to Angular.
3) Architecture:
Angular follows a component based architecture where web applications are built as a tree of components that interact with each other. This makes it easier to maintain and reuse code across the application. AngularJS uses controllers and scopes to manage the application's logic, which can lead to complex and hard to maintain code in larger applications.
4) Language:
Angular is built using TypeScript, which is a superset of JavaScript that adds static typing, interfaces, and other features to improve code quality and developer productivity. AngularJS, on the other hand, uses plain JavaScript without static typing, which can lead to errors and bugs in large codebases.
5) Performance:
Angular is designed for performance, with features like Ahead of Time (AOT) compilation and tree shaking to optimize the size and speed of web applications. AngularJS relies on Just in Time (JIT) compilation, which can affect performance, especially for larger applications with many components and dependencies.
6) Tooling and Ecosystem:
Angular has a rich ecosystem of tools and libraries that integrate seamlessly with the framework. The Angular CLI (Command Line Interface) provides a powerful set of tools for building, testing, and deploying Angular applications. AngularJS also has tools like Karma and Protractor, but the ecosystem is not as robust as Angular's.
7) Community Support:
Angular has a large and active community of developers who contribute to the framework, create tutorials, and offer support through forums and online resources. AngularJS community has decreased over the years as developers transition to newer versions of Angular.
8) Long term Support:
Angular follows a strict release schedule with long term support (LTS) versions for stability and maintenance. AngularJS has reached its end of life and is no longer actively maintained by Google, which means developers may face security vulnerabilities and compatibility issues as web technologies evolve.
Considering these differences, we offer a training program that focuses on teaching students the latest Angular concepts, best practices, and tools to build modern web applications efficiently and effectively. Our program covers topics like component based architecture, TypeScript, Angular CLI, performance optimization, and upgrading from AngularJS to Angular for a seamless transition to the latest version of the framework.
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