JavaScript frameworks | JavaScript libraries 2020

Difference between JavaScript Frameworks and JavaScript Libraries?

JavaScript frameworks just give you some basic structure around which you will add your code to have a greater functionality of that system and it allows a standard way of creating applications. Sometimes frameworks use libraries to do their work. A JavaScript library is a collection of built-in classes and functions which help you to develop JavaScript bases website or web applications. Let me explain this with the term “Inversion Of Control”.

JavaScript frameworks | JavaScript Libraries concept
JavaScript frameworks | JavaScript libraries 2020
Difference between JavaScript Frameworks and JavaScript Libraries?

There are a lot of JavaScript frameworks and JavaScript libraries which help you in developing amazing websites but we don’t know how to use these JavaScript frameworks, I mean exactly which JavaScript framework, JavaScript library is built for which work. I am here to explain and clear all your doubts about frameworks of JavaScript.

JavaScript frameworks | JavaScript libraries 2019-2020

Some JavaScript Frameworks and JavaScript Libraries 2019:

jQuery Library
Polymer Library
BackboneJS Framework
Vue.JS Framework
Vanilla JS Framework
Meteor Framework
EmberJS Framework
Node JS Run-time JavaScript Environment
Express JsApplication Framework for Node JS

Best Frameworks for JavaScript by work:

Here we explaining JavaScript Frameworks with their purpose of use. The list is not sorted or a priority base it’s a random list.


NodeJS is one of the most powerful JavaScript run-time cross-platform environment created by Ryan Dahl in 2010. It is the first server-side JavaScript, Server-side JavaScript means it runs outside of the browser and perfect for real-time applications. Promises in Node JS can help us in writing neat asynchronous code.

What is Node JS used for:

  1. JSON support (NodeJS read JSON file).
  2. Create a remote control App.
  3. Real Time Applications.
  4. NodeJS comes with a large number of Drawing Tools
  5. Chat Applications (Run on OS)
  6. Gaming Apps
  7. Desktop Applications
  8. YouTube video Down-loader

Top Companies which use NodeJS for Production:

  1. NASA
  2. Uber
  3. Twitter
  4. eBay
  5. LinkedIn

JavaScript Frameworks by popularity 2019:

1: AngularJS

AngularJS is an open-source JavaScript framework developed and maintained by Google. The release date of Angular JS is October 2019. The latest version is Angular 7. It is a front-end web framework for developing Single Page Applications (SPA). Learning Angular JS is easy just take angular JS quick start and become an expert. Web Development companies provide a number of jobs for Angular JS. The Average Angular JS developer Salary is $67924 per year in the USA. There 2 to 4 Angular JS interview questions are always asked for a job.

AngularJS is used for:

  1. Single Page Applications
  2. Real-Time char Application
  3. Mobile Applications
  4. Small Data websites, Sites and Blogs (Not for large data like Social Network)
  5. Web Applications
  6. E-commerce Web Applications
  7. Company Dashboard
  8. Coupon Deal sites
  9. Angular JS is based on MVC
  10. You can Create Your Own Chrome Extension
  11. Fire-base Powered Application

Top websites which used AngularJS for front-end:

  1. Netflix
  2. PayPal

2: Vue.JS

Vue.JS is also an open-source JavaScript framework was created by Evan You. The last stable release was on March 2019. Vue.JS is used for building User Interface and Single Page Applications (SPA). Vue.JS is component-based like ReactJS. The Average Vue.JS developer salary is $76000 per Year. The Angular alternative is Vue.JS.

Vue.JS is used for :

  1. App Development
  2. Product Carousel
  3. Games without canvas
  4. Loading animations
  5. Create WYSIWYG editor
  6. Simple Chat Components

Some websites used which Vue.JS

  1. Git lab
  2. Font Awesome
  3. Chess  

JavaScript Libraries by popularity 2019:

1: ReactJS

ReactJS is an open-source library is developed and maintained by Facebook and the open-source community. Its release in May 2013 and now on August 2019 stable version is released. It can be used as a base in mobile applications development. React Code is based on components which rendered through React router DOM library. It is used for User Interface(UI). Web Development companies provide a number of jobs for ReactJS. The Average React Vs Angular Developer Salary difference is almost $52376 per Year. The ReactJS developer Salary is $120300 per year in the USA. Their ReactJS interview questions are always asked for the job of Front-end Developer. There a lot of react tutorials available on internet. If you wish the best websites list for learning ReactJS just comment us.

We can say JavaScript + HTML = ReactJS (JSX)

ReactJS is used for:

  1. React Create Apps
  2. Can be Used for Large Data Websites (e.g. Social Network)
  3. Used where you want fast work without reloading
  4. React Server Side Rendering technique (SSR)
  5. Building Single Page Applications (SPA)  
  6. Can be used with the following technologies:
    • Use with Node JS
    • React material UI
    • React with Redux Tutorials are available

Top websites which used ReactJS for front-end:

  1. Facebook
  2. Yahoo Mail
  3. Dropbox
  4. Instagram

2: jQuery

jQuery is the most popular JavaScript Library with Rich features. jQuery is used by 73% of the most popular websites. It was developed in 2006 by John Resig. It is a lightweight and fast JavaScript Library. The CDN for jQuery UI is available which makes it more lightweight. If someone ask me to choose between Simple JavaScript Vs jQuery then I will choose jQuery just because of the large number of capabilities. Let’s take a look at this example of getting an element by id.

JavaScript Code:

var myVariable = getElementById(‘Id-name’);

jQuery get element by id  code:

var myVariable = $(‘#id-name’);

we can say “write less do more”.

jQuery can be used for:

  1. Use jQuery for Ajax based Applications.
  2. Event Handling (jQuery scroll to top or scroll to bottom etc.)
  3. jQuery on form submit (Form Validation)
  4. jQuery drag and drop  
  5. Create jQuery Plugins
  6. jQuery Animate (Animations)
  7. API supported

For any query please comment or contact us!

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About Arif Ullah

Web Designer, Web Developer, and SEO expert.
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