Angular JS v 2.0 Features and Angular JS Training
Angular Js is a Java script framework for web application development. Its a open source tools. In recent years It has become one of the most popular tool to develop single page web applications. Angular Js has more community support to development from individual developers and corporations.
AngularJS was originally developed in 2009 and followings are versions of Angular Js
Angular JS v 1.1
Angular JS v 1.2
Angular JS v 1.3
Angular JS v 1.4
Angular JS v 1.5
Angular JS v 1.6
Angular JS v 2 (simply called Angular)
Angular JS v 3 (skipped due to the misalignment of the router package’s)
Now we are going to see What’s in Angular JS 2.0 over previous versions. Angular 2.0 was made by rewrite of the entire framework and will include breaking changes. Angular 2 has following concerns over the past versions
Mobile – The new Angular version will be focused on the development of mobile apps. In this version challenges related to mobile has been solved.
Modular – Various modules will be removed from Angular’s core, resulting in better performance.
Modern – Angular 2.0 will target ES6 and other advanced browsers
Major changes in Angular Js v 2.0
AtScript is a superset of ES6 and it’s being used to develop Angular 2.0. It’s processed by the Traceur compiler (along with ES6) to produce ES5 code and uses Type Script’s type syntax to generate runtime type assertions instead of compile time checks.
Improved Dependency Injection (DI)
Dependency injection was one of the factors that initially differentiated Angular from its competitors
AtScript provides tools for associating metadata with functions. This facilitates the construction of object instances by providing the required information to the DI library
A child injector inherits all the services of its parent with the capability of overriding them at the child level. According to requirement, different types of objects can be called out and automatically overridden in various scopes.
The improved DI library will feature instance scope control, which will become even more powerful when used with child injectors and your own scope identifiers.
Templating and Data Binding
Let’s take a look at templating and data binding as they go hand in hand when developing apps.
Dynamic Loading let developers add new directives or controllers on the fly.
In Angular 2.0, the template compilation process will be asynchronous.
Angular 2.0 has Component Directives Decorator Directives Template Directives
The initial Angular router was designed to handle just a few simple cases. The router in Angular 2.0 has been reworked to be simple and extensible.
The child router will convert each component of the application into a smaller application by providing it with its own router
This will give developers full0020 control over the navigation of their developing applications
A pipeline architecture in Angular V 2.0 which makes it incredibly easy to add one’s own steps to the pipeline or remove default ones
Its a super useful feature which measures where time is spent in your application
Scope functions completed removed in Angular Js v 2 in favor of ES6 Classes.
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