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Top JavaScript Frameworks and libraries to Learn in 2020

4 years ago
Top JavaScript Frameworks and libraries to Learn in 2020 by html hints

JavaScript is one of the foundational web development languages including with HTML and CSS JavaScript is a client scripting language which is used for creating web pages. It is used when a user want to make webpage dynamic and add special effects on page like animations, content manipulation on scroll and many types of graphics which manipulation DOM. Now, common question comes first that - is Javascript front end or backend?

Java-Script is used on all platform of web development. Yes JavaScript used in both front end and backend.

#JavaScript for Front End Development

In Front end, JavaScript used to make web pages dynamic. JavaScript is the best language for manipulating HTML to do various task such as validating submission forms, making animations on HTML objects or updating specific section of page content without updating the entire page.

#JavaScript for Back End Development

In Backend, its use Node.js framework. Which is a runtime environment for backend work in JavaScript. The Node.js framework allows a developer to retrieve data from database & display on front end & build scalable network applications able to process many user requests.

#What is the JavaScript framework, and why to use one?

JavaScript framework is an application framework written in JavaScript. Where the developer manipulate frameworks built-in functions and use them for their convenience.

Most of the developers prefer to use Frameworks, which is more adaptable for the designing of websites, and JavaScript frameworks are a type of tool that makes working with JavaScript easier and smoother.

Top JavaScript Frameworks and libraries


React is one of the top JavaScript framework developed and used by Facebook to build user interfaces. React is a declarative, efficient, and flexible JavaScript library. React allows developers to create large web applications that can change data on user action, without reloading the page. The main purpose of React is to be fast, scalable, and simple. It works only on user interfaces in the application & can be integrate with any backend of your choice such as PHP, Node.js, Django & many more. If you’re a novice and not sure about where to begin, React is a very good place to start your frontend development journey.

#ReactJS Example

Below, links are used to make React environment on HTML page without setting up special thing.

<script src= "https://unpkg.com/react@16/umd/react.production.min.js"></script>
<script src= "https://unpkg.com/react-dom@16/umd/react-dom.production.min.js"></script>
<script src="https://unpkg.com/babel-standalone@6.15.0/babel.min.js"></script>

<div id="id01">Hello World!</div>
<script type="text/babel">
  <h1>Hello React!</h1>,
#ReactJS Features

JSX - In React, instead of using regular JavaScript for return HTML data to browser, it uses JSX. JSX is a simple JavaScript that enables HTML quoting and uses these HTML tag syntax to render sub components. HTML syntax is processed into JavaScript calls of React Framework. Additionally, we can also write in pure old JavaScript.

React Native - React-native is a mobile apps building framework using only Javascript. It uses the same design as React, letting you utilize a rich mobile UI library components. It uses the same fundamental for UI building blocks as regular iOS and Android apps. The best part of using react-native is its a cross platform language means you dont need to write different code for IOS & Android. Also its very easy to converting React Web UI to React Native Mobile UI

Virtual Document Object Model - React creates an in-memory data structure cache which computes the changes made and then updates the browser. This allows a special feature that enables the programmer to code as if the whole page is rendered on each change whereas react library only renders components that actually change.


One of the most powerful, efficient, and open-source JavaScript frameworks is Angular. Google operates this framework and is implemented to use for developing a Single Page Application (SPA). It extends the HTML into the application and interprets the attributes to perform data binding.

#Angular Example
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script>

<div ng-app="" ng-init="firstName='John'">
  <p>Input something in the input box:</p>
  <p>Name: <input type="text" ng-model="firstName"></p>
  <p>You wrote: <b>{{ firstName }}</b></p>
#Angular Features

Virtual Document Object Model - Learn one way to build applications with Angular and reuse your code and abilities to build apps for any deployment target. For web, mobile web, native mobile and native desktop.

SPEED & PERFORMANCE - Achieve the maximum speed possible on the Web Platform today, and take it further, via Web Workers and server-side rendering. Angular puts you in control over scalability. Meet huge data requirements by building data models on RxJS, Immutable.js or another push-model.

Angular is mobile and desktop-ready - meaning you have one framework for multiple platforms.

Angular is actively maintained - It has a large community and ecosystem. You can find lots of materials on this framework as well as many useful third-party tools.


Though developed in the year 2016, this JavaScript framework has already made its way into the market and has proven its worth by offering various features. Its dual integration mode is one of the most attractive features for the creation of high-end SPA or Single Page Application. It is a much reliable platform for developing cross-platform.

#Vue Example

In the example below, a new Vue object is created with new Vue(). The property el: binds the new Vue object to the HTML element with id="MyFirstApp".

<div id="MyFirstApp">
  <h1>{{ message }}</h1>

var Object = new Vue({
  el: '#MyFirstApp',
  data: {message: 'Hello World!'}
#Vue Features

Very Small Size The success of JavaScript framework depends on its size. The smaller the size is, the more it will be used. One of the greatest advantages of Vue.js is its small size with containing all features than other javascript frameworks. The size of this framework is 18–21KB and it takes no time for the user to download and use it.

Simple Integration - Vue.js is also popular among the web developers because it facilitates them to integrate with the existing applications. This is because it is based on JavaScript framework and can be integrated into other applications built on JavaScript. This means that it is useful for developing new web applications as well as altering the pre-existing applications. This integration is possible because Vue.js has components for everything.

Two-Way Communication - And last but not least Vue.js also facilitates two way communications because of its MVVM architecture which makes it quite easy to handle HTML blocks. In this respect, it seems very close to Angular.js which also speeds up HTML blocks.

4. Node.js

Node.js is a server-side platform built on Google Chrome's JavaScript Engine (V8 Engine). Node.js was developed by Ryan Dahl in 2009 and its latest version is v0.10.36.

Node.js is an open source, cross-platform runtime environment for developing server-side and networking applications. Node.js applications are written in JavaScript, and can be run within the Node.js runtime on OS X, Microsoft Windows, and Linux.

Node.js also provides a rich library of various JavaScript modules which simplifies the development of web applications using Node.js to a great extent.

#Node.js Features

Following are some of the important features that make Node.js the first choice of software architects.

Asynchronous and Event Driven - All APIs of Node.js library are asynchronous, that is, non-blocking. It essentially means a Node.js based server never waits for an API to return data. The server moves to the next API after calling it and a notification mechanism of Events of Node.js helps the server to get a response from the previous API call.

Single Threaded but Highly Scalable Node.js uses a single threaded model with event looping. Event mechanism helps the server to respond in a non-blocking way and makes the server highly scalable as opposed to traditional servers which create limited threads to handle requests. Node.js uses a single threaded program and the same program can provide service to a much larger number of requests than traditional servers like Apache HTTP Server.

No Buffering Node.js applications never buffer any data. These applications simply output the data in chunks.


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