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Release of Angular 2.0, Ready to create your first Angular 2 App?

Cross-platform application development

Angular JS is JavaScript based, open source, front-end web application framework for developing dynamic web apps. It allows you to use HTML as template language and also to extend HTML’s syntax that helps to express all components of your web app clearly.

It is primarily maintained by Google and its first version was launched by Google in 2010 as ‘Angular web application framework’. It is used to address challenges coming across in the process of single-page applications development. Angular’s important features like data binding and dependency injection reduce the amount of code need to be written otherwise. It is an ideal partner with any kind of server technology.

HTML is great for static documents but for building dynamic web applications in a way of ‘what do I have to do to trick the browser into doing what I want?’

The resisting mismatch between static documents and dynamic applications can be solved with frameworks and a library.

Frameworks – “a particular implementation of a web application, where your code fills in the details. The framework is in charge and it calls into your code when it needs something app-specific. E.g., durandal, ember, etc.

A library – “a collection of functions which are useful when writing web apps. Your code is in charge and it calls into the library when it sees fit. E.g., jQuery.

The approach used by Angular to minimize this resisting mismatch is by teaching the browser new syntax using a construct called ‘directives’.

Examples of directives are as follows:

  • Data binding.
  • Forms and form validation support.
  • Grouping of HTML into reusable components.
  • DOM control structures for repeating, showing and hiding DOM fragments.

web app development

Angular – A Complete Client-side Solution

Angular is a complete solution for building the client-side of a web application. It solved the problems encountered in the development of an emerging web. It manages all of the DOM and AJAX glue code written by you and arranges it in a well-defined structure.

Angular 2

After the success of Angular 1, its full-platform successor, Angular -2 was released at Google Headquarters on 15th September 2016. The company’s announcement mentions, “Angular 1 first solved the problem of how to develop for an emerging web. Six years later, the challenges faced by today’s application developers, and the sophistication of the devices that applications must support, have both changed immensely”.

Angular 2.0 came up with amazing new features like support for mobile development and modern browsers. Many of the core functionalities have been converted into modules. Now along with built-in libraries, third-party libraries can also be used easily.

After the release of Angular 2, the Angular team is going to release the updates via three channels i.e. Major, Minor, and Patch. Major versions will introduce incompatible API changes. Minor versions will come up with the addition of backwards-compatible functionality. Patch versions will bring fixes for backwards-compatible bugs.

Angular 2 core concept

Check out core concepts of Angular 2

Each Angular 2 application needs a set of components, for every screen, UI element, and route. A root component will hold all another set of components. Each component has input and output properties that are defined using property decorators. Input properties allow data flow into a component and output properties allow data flow out of the component. Input and output properties are the public API of a component.

The Angular 2 provides a higher-level API such that the native platform, the DOM, will reflect the state of the Angular application. This will help in two ways:

  • It will allow unit testing of the behaviour of the most of the part of an app without disturbing the DOM. This will make tests easier and faster.
  • It will be easier to refactor the components.
  • It will allow Angular applications to run completely outside of the browser on other platforms.
  • It will allow Angular applications to run in a web worker.

Angular 2 also provides such APIs, so that you can directly interact with the DOM. With Angular 2 any component can be bootstrapped as an application. Also, any component can be loaded into a router outlet. Thus you need to learn fewer APIs and it makes components more reusable.

Release of Angular 2.2.0

After the release of stable Angular 2.0 version, next update, Angular 2.1.0 was released as minor update and it does not contain any breaking changes. It came up as a drop-in replacement for version 2.0.x.

The most recent update on 15th Nov 2016, Angular version 2.2.0 was announced as a minor release. It too does not have any breaking changes and is a drop-in replacement for 2.1.x.

Now building dynamic web applications and cross-platform mobile applications will be easier and faster with the release of Angular 2. Krify has expertise in rendering and extending services for the development of Mobile Apps, Web Apps, Web-Hosting, UX & UI designs and Digital Marketing.

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