Angular 2 Firebase App Part 4 Firebase Authentication

What is the use of angular 2? Angular 2 is a more streamlined framework that allows programmers to focus on simply building JavaScript classes. Views and controllers are replaced with components, which can be described as a refined version of directives. AngularJS: It is a front-end dynamic JavaScript framework, used for developing 'Single Page Applications'. AngularJS is managed by Google and is open-source. ... Angular 2 is completely different from AngularJS. AngularJS had features like controllers, $scope, $scope variables How old is angular 2? Angular 2 moved to Beta in December 2015, and the first release candidate was published in May 2016. The final version was released on September 14, 2016. Is angular 2 frontend or backend? That's why Angular is considered a frontend framework. Its capabilities do not include any of the features that you will find in a backend language. Sorry you can't use Angular2+ or Angular JS for the backend as a framework ! Why was angular 2 rewritten? It was rewritten to allow for a decoupling of the framework from the DOM, enabling use of multiple renderers; Microsoft's TypeScript, a typed superset of JavaScript, was used in the rewrite. Is it worth learning angular in 2020? Angular is the most mature of the frameworks, has good backing in terms of contributors and is a complete package. However, the learning curve is steep and concepts of development in Angular may put off new developers. Angular is a good choice for companies with large teams and developers who already use TypeScript Should I learn angular or react 2020? If you have time for some longer learning curve, you can choose the Angular but for the smaller learning curve, Reactjs is the best option. ... It is not possible to compare its functionalities with just a library i.e., Reactjs. Typescript experts should not just miss to use Angular and can go ahead with the framework