The participation preview includes:

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The transition period from the latest JS version had created controversy among developers. Even so, everything changed drastically and made quite a splash. The controversy arose because the developer announced that this version of the framework was moved from Alpha to preview. In fact, this version is still relatively new in the world of app development .

However, in December 2015, the preview version was upgraded to beta and first released in May 2016 as an introduction. The final version itself was released shortly after, precisely on September 14, 2016.

2. Mid 2016-2017
On December 13, 2016, version 4 was released without releasing version 3. The reason was that the developer had previously released version v3.3.0 for the router package . To avoid confusion, version 4 was released as a development of version 2. Although it has been released since December 2016, the best version of Angular 4 was released in March 2017.

The latest version is also known as 4.3 which carries several features, such as:

HttpClient
GuardsCheckStart, GuardCheckEnd, ResolveStart, and list of tongliao cell phone numbers ResolveEnd are combined in the NavigationStart chain.
Disable animations
3. Mid 2017-2019
During this time, versions 5, 6, 7, and 8 were released adding many great features and amenities. These included support for progressive web apps, improved animation work, improved accessibility options, differentials for all app code, and typescript 3.4 support, as well as leveraging Angular Ivy as an opt-in preview.

The resulting code is easier to read
Faster rebuild time
Payload size increased
Template types improved
Backward compatibility
4. Mid 2020
In 2020, the developers released versions 9 and 10 to work with typescript 3.6 and 3.7. In addition to fixes here and there, the latest versions offer several advantages, including:

Smaller bundle size
Faster testing
Better debugging
CSS Improvements
Optional stricter settings
Getting to Know the Angular Framework
Developed by Google and open source , this framework has actually undergone several developments starting from the first version known as AngularJS to version 10 which is the latest and final release. Although issued by one company, each version is made on a different basis.

Before discussing the latest version of Google's flagship framework , it's a good idea to first know about the general features of AngularJS that make this framework an important tool in creating an application, namely:

Angular JS is an efficient framework for building rich internet applications.
AngularJS gives developers the option to write applications through an MVC or model, view, and controller approach.
Applications created using AngularJS can be used on any web browser , except Internet Explorer.
AngularJS is open source , meaning you can download and install this framework without any charges.
In addition to the general features above, AngularJS also has core features, including: