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Скачать или смотреть Angular 8 2020 | Introduction to Angular

  • Technical Babaji (Tarique Akhtar)
  • 2020-01-18
  • 36223
Angular 8 2020 |  Introduction to Angular
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Описание к видео Angular 8 2020 | Introduction to Angular

In this video, I’m going to give you a general overview of a very popular and widely used client-side framework called Angular. This Angular introduction is mostly aimed at newcomer developers who have little experience with JS frameworks and wish to learn the basic idea behind Angular as well as understand its differences from AngularJS.


Why Do I Need a Framework?

If you’re not sure what a JavaScript (or client-side) framework is, that’s a technology providing us the right tools to build a web application while also defining how it should be designed and how the code should be organized.

Most JS frameworks these days are opinionated, meaning they have their own philosophy of how the web app should be built and you may need to spend some time to learn the core concepts. Other solutions, like Backbone, do not instruct developers on how they should craft the project, thus some people even call such technologies simply libraries, rather than frameworks.

Actually, JavaScript frameworks emerged not that long ago. I remember times where websites were built with poorly structured JS code (in many cases, powered by jQuery). However, client-side UIs have become more and more complex, and JavaScript lost its reputation as a “toy” language. Modern websites rely heavily on JS and the need to properly organize (and test!) the code has arisen. Therefore, client-side frameworks have become popular and nowadays there are at least dozen of them.

Advantages of Angular
-------------------------------------
So, why Angular? Well, because it’s supported on various platforms (web, mobile, desktop native), it’s powerful, modern, has a nice ecosystem, and it’s just cool. Not convinced? Let me be a bit more eloquent then:

Angular presents you not only the tools but also design patterns to build your project in a maintainable way. When an Angular application is crafted properly, you don’t end up with a tangle of classes and methods that are hard to modify and even harder to test. The code is structured conveniently and you won’t need to spend much time in order to understand what is going on.
It’s JavaScript, but better. Angular is built with TypeScript, which in turn relies on JS ES6. You don’t need to learn a totally new language, but you still receive features like static typing, interfaces, classes, namespaces, decorators etc.
No need to reinvent the bicycle. With Angular, you already have lots of tools to start crafting the application right away. You have directives to give HTML elements dynamic behavior. You can power up the forms using FormControl and introduce various validation rules. You may easily send asynchronous HTTP requests of various types. You can set up routing with little hassle. And there are many more goodies that Angular can offer us!
Components are decoupled. Angular strived to remove tight coupling between various components of the application. Injection happens in NodeJS-style and you may replace various components with ease.
All DOM manipulation happens where it should happen. With Angular, you don’t tightly couple presentation and the application’s logic making your markup much cleaner and simpler.
Testing is at the heart. Angular is meant to be thoroughly tested and it supports both unit and end-to-end testing with tools like Jasmine and Protractor.
Angular is mobile and desktop-ready, meaning you have one framework for multiple platforms.
Angular is actively maintained and has a large community and ecosystem. You can find lots of materials on this framework as well as many useful third-party tools.
So, we can say that Angular is not just a framework, but rather a platform that empowers developers to build applications for the web, mobile, and the desktop. You may learn more about its architecture in this guide.

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