What is AngularJS ?

AngularJS is a client side JavaScript MVC framework to develop a dynamic web application. AngularJS was originally started as a project in Google but now, it is open source framework.

AngularJS is entirely based on HTML and JavaScript, so there is no need to learn another syntax or language.

AngularJS changes static HTML to dynamic HTML. It extends the ability of HTML by adding built-in attributes and components and also provides an ability to create custom attributes using simple JavaScript.

History of AngularJS :

In the past, web developers were using HTML for creating static documents. Based on Angular’s documentation, however, “While HTML was great for that purpose, it falters when trying to use it for declaring dynamic views in web applications.” (“Why AngularJS?”, angularjs.org). In addition, several frameworks that were provided “tried to deal with HTML’s shortcomings by abstracting away HTML, CSS and JavaScript or by providing an imperative way for manipulating the DOM. These abstractions worked to some extent but did not address the root problem that HTML was not designed to show dynamic content.” (“Alternatives”, angularjs.org).

With time, as web and mobile apps became popular, and the demand for reliable ways to create dynamic content grew bigger, a few open sourced solutions were created by independent 3rd parties to simplify and structure the process. Those solutions offered better front-end presentations with structured approach, more user functionality and improved performance which became a crucial part in modern applications. One caveat was that many libraries were developed to solve a sole problem and none of them offered a full stack of features. With growing number of options and so many libraries to choose from, with each offering its own way of “doing things right” it was almost impossible to choose between the bunch.

In 2009, a developer named Misko Hevery started a side project which was the seed of current AngularJS. Learning from the mistakes of other libraries, Misko built a framework to handle the downfalls of HTML while taking ideas and best practices of other libraries. The “Total Package” approach of Angular, as well as its simple, yet “genius” implementation of some features, made it extremely popular among web developers. While it was not the only framework on the market, it offered some of the best practices and features which made it grow in popularity pretty fast. A few months in the market, Google understood the great potential and acquired the project with its team. With the back and sponsorship of a huge company such as Google, Angular became better and even more popular.

Advantages of AngularJS :

1.Open source JavaScript MVC framework.
2.Supported by Google.
3.No need to learn another scripting language. It’s just pure JavaScript and HTML.
4.Supports separation of concerns by using MVC design pattern.
5.Built-in attributes (directives) makes HTML dynamic.
6.Easy to extend and customize.
7.Supports Single Page Application.
8.Uses Dependency Injection.
9.Easy to Unit test.
10.REST friendly.
11.With AngularJS, developer write less code and get more functionality.
12.In AngularJS, views are pure html pages, and controllers written in JavaScript do the business processing.


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