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Whats new in Angular.js 2.0?

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About Angular 2.0

Angular 2.0 was officially announced at the ng-conference in October, 2014. This version won’t be a complex major update, rather a rewrite of the entire framework and will include breaking changes!

Why Angular 2.0?

Angular 2.0 development was started to address the following concerns:

Mobile
The new Angular version will be focused on the development of mobile apps. The rationale is that it’s easier to handle the desktop aspect of things, once the challenges related to mobile (performance, load time, etc.) have been addressed.

Modular
Various modules will be removed from Angular’s core, resulting in better performance. These will find their way into Angular’s ever-growing ecosystem of modules, meaning you’ll be able to pick and choose the parts you need.

Modern
Angular 2.0 will target ES6 and “evergreen” modern browsers (those automatically updated to the latest version). Building for these browsers means that various hacks and workarounds that make Angular harder to develop can be eliminated allowing developers to focus on the code related to their business domain.

Angular 2.0 is being written with AtScript, but that doesn't mean you have to write your application code with AtScript or know anything about AtScript to use Angular 2.0. You can easily write with TypeScript, ES6, ES5, CoffeeScript

Video for Angular.js 2.0

posted Nov 12, 2015 by Parampreet Kaur

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What is Redux?

The fundamental premise of redux is that the entire state of the application is represented in a single JavaScript object called a store, or application store, that can be acted upon using special functions called reducers.

Ng2Redux lets you easily connect your Angular 2 components with Redux, while still respecting the Angular 2 idiom.

Features include:

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  • Compatibility with the existing Redux devtools Chrome extension
  • A rich, declarative selection syntax using the @select decorator

Node Install CMD

npm install --save redux ng2-redux

In redux, user events are captured and emitted up to a reducer for processing. In Angular 1.x, it was a very common anti-pattern to see bloated controllers with large chunks of logic dedicated to manage local state. By moving logic that can directly manipulate state to reducers, the burden placed upon our components become negligible. In Angular 2, you will often see dumb controllers who do nothing more than capture an event and emit it via output to its parent controller.

Video for Redux in Angular 2

https://www.youtube.com/watch?v=s4xr2avwv3s 

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