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    Angular JS Advantages and Disadvantages

    Angular JS has its pros and cons, which states strength and limitations.

    AngularJS Advantages

    Certain features in angular make it favourable for use. Following are the benefits of Angular JS; let’s discuss:

    • Open-source
    • Easy to extend
    • Easy to test
    • Great MVC
    • Google supported
    • No Prerequisite knowledge
    • Easy to customize
    • Single page application (SPA)
    Open Source

    Angular JS is an open-source JavaScript MVC framework; therefore, a custom application can be available to anyone at affordable costs. Since it is open-source, it provides the advantage of quickly changing the source code to clarify. We can make any changes to satisfy the customer requirements. It can add employment or delete employment.

    Various features an open-source application can possess are as follows:

    • Customization character
    • Interpreted collaboration
    • Powerful supportability
    • Open-source technologies are group-oriented
    • Vulnerability
    • Interoperability
    Single Page Application (SPA)

    Single page application means only a single HTML web page is loaded, and further updating is done on that single page only. Since it is mostly used to create single page application and single page application works fast and user-friendly.

    Applications that are built using angular technology are as follows:

    • Malhar-Angular-Dashboard, Viktor
    • NV-1 (open-source musical instrument)
    • Taiga (Project Manager application for agile developers and designers)
    • ProtonMail (Encrypted Webmail Interface)
    • DuckieTv (web app for tracking tv shows)
    • Aisle (e-commerce marketplace)
    • SoundNode (Sound Cloud for desktop )
    No prerequisite knowledge

    HTML, CSS and JavaScript are to work on AngularJS. So, there is no need to learn any other scripting language. So if you want to learn angular, it is a plus point for you as HTML, CSS, and javascript are simply easy to learn (in case you have no prerequisite knowledge of it), and if you are familiar with this languages, then its quite easy task for you to learn angular.

    Easy to extend and customize

    Due to specific built-in attributes, it is easy to extend. These attributes make it possible to extend the functionality of HTML by attaching a particular behaviour with it. One can create its directives too in it; therefore, it is customized.

    Customized means adding or removing features or functionality, which is done to satisfy the specific needs. Also, customized software consists of user-friendly features rather than unnecessary elements, purely according to individual needs.

    Google supported

    A large community, Google, supports the AngularJs framework.

    The various advantages of Google supported sites are:

    • Regular updates are done.
    • For distributed or remote users, the anywhere/anytime access capability to the corporate intranet by google supported sites.
    • It provides a capacity to work across the operating system.

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    Great MVC

    As we know, there are three components of MVC architecture (Model, View, Controller), so in many frameworks, a programmer has to split the code into multiple MVC components also, after that programmer has to code again to combine the code of these three parts. While in angular, it is being done automatically. Angular strings the code together and hence saves the time of the programmer too.

    Easy to test

    Angular is a JavaScript framework, and JavaScript is a dynamically typed language. Angular possesses excellent power of expression. But there is no help of compiler in angular. Therefore, it is necessary to write strong test code for it. An in-built dependency injection comes in it, which makes it easier to test individual components of the code. Both unit testing and integration testing is supported by angular.

    Also, there are some other tools are too available that will make testing easier such as:

    • Jasmine –

      It is a behaviour-driven development framework for JavaScrip. It helps in keeping tests structural and documented is vital.

    • Karma –

      It is a command-line for Javascript. It loads a source code of an application and runs our tests.

    AngularJS Disadvantages

    Even angular is not like a silver bullet. It also has some limitations. Here, we will talk about the rules of AngularJS. Due to JavaScript, some of AngualrJs limitation occurs.

    • Less secure
    • No specific way
    • JavaScript-Based
    • Not supported everywhere
    • Memory leakage
    Less secure

    There is no server authorization and authentication in angular. Authorization means granting permission for data access and identifying a user by validating credentials. AngularJs can’t provide both the features; that’s we call it less secure.

    Only emphasize JavaScript.

    AngularJs, totally depend upon JavaScript. If these scripts hide, the resultant pages seem like a basic page.

    Memory leakage

    Also, it is a JavaScript framework, and there is an issue of memory leak in JavaScript. We can define memory leak as the memory requires by application anymore, and due to some factors, it will not return to the pool of the free memory. Memory leak leads to various other issues, too, such as slowdowns, crashes, high latency.

    No specific way

    It is very vast and complex. In angular, there are many ways to perform the same task, so it is difficult to predict which is the most optimized way to achieve a specific job.

    Not supported everywhere

    Internet Explorer 8.0 doesn’t support AngularJs.

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