A large number of programming languages are being used worldwide daily. Each of them has its own purpose, complexities, benefits and quirks. Nevertheless, its JavaScript that without any doubt left an unforgettable and lasting impact on the web, to emerge as one of the most popular programming language in the world.

The central reason for JavaScript’s widespread popularity and dominance rests in its versatility and flexibility. Not only it is regarded as the language of the web for traditional client-side use. But its also presently being used for server-side apps along with native mobile and desktop application development, progressive web apps.

There’s hundreds of frameworks and libraries for JavaScript that are available at your disposal. And with many more getting launched each and every month which can make the task of choosing a frameworks for your next project can be an intimidating task.

So in this post, it is here to help you out, as I have curated a small list of 8 JavaScript frameworks for 2021.

1. Ember

Ember

Ember.js is a productive, battle-tested open-source JavaScript framework. This framework can be use to create scalable enterprise-scale single PWA. Ember is based on the Model-View-ViewModel (MVVW) architecture pattern.

Originally a SproutCore 2.0 framework that was renamed as Ember.js by creator Yehuda Katz. Who is an accomplished developer who been credited as one of the creators of jQuery. The most cherished and key features of Ember is the Ember Command-line interface tool which is a productivity powerhouse in itself.

Though Ember is one of the older front-end JavaScript frameworks compared to React, Vue, and Svelte, it nevertheless packs a punch and still has a huge user-base.

2. React

React Js

Created by a team of Facebook developers led by Jordan Walke back in 2011, React.js is an open-source front-end JavaScript library, (it’s not a full-fledged framework. It became open-source in June 2013 and the initial prototype was dubbed “FaxJS” and was first tested in Facebook’s Newsfeed.

React can be considered one of the biggest powerful disruptors in the web development area that delivered a real breakthrough in shaping web applications.

Introduced as a component-based, functional, and declarative programming style for building interactive user interfaces that we mainly saw in single-page web apps. It delivers fast rendering by making use of ‘Virtual DOM’ that renders only those components that have changed, instead of rendering the whole page.

Although it presents a somewhat steeper learning curve than other front-end JavaScript frameworks, React is supported by a huge developer community, abundant of learning resources, and with a massive industry adoption worldwide.

3. Preact

Preactjs

Preact.js is a lightweight and high-performance library alternative to React. Preact is merely 3kb in size and still gives you all the necessary functionality of React. Created by Jason Miller, Senior Developer Programs Engineer at Google, and Preact can be considered as a subset of React stripping away some functionalities.

It’s built with the same core principle of React, a component-based approach with Virtual Dom while being completely compatible with React.

You can even use React packages without compromising on speed, performance, and smaller size. In instances where the full potential of React is not necessary, most developers even use React during development and switch to Preact for production.

4. Svelte

Svelte

Svelte.js is another open-source component-based front-end JavaScript framework written in Typescript. First launched in 2016, and since then it has witnessed an all-out explosion in popularity.

Numerous developers consider Svelte to be a game-changer and revolutionary idea that fundamentally changes the way many of us develops web apps. Unlike React or Vue, Svelte has no virtual DOM. Instead, you build components boilerplate-free in simple HTML, CSS, and JavaScript code than Svelte Compiler compiles its code into small framework-free vanilla JavaScript modules during build-time and updates the DOM when the state changes. Unlike other frameworks like React or Vue, Svelte doesn’t require high0browser processing.

As apps built with Svelte we notice there are lightning-fast with outstanding performance and other major advantages you’ll notice include zero client-side dependencies, lack of complex state management libraries.

5. Express.js

Express Js

Express.js is an open-source minimal web framework for Node.js, used for building APIs and web apps. It is very popular that its considered to be the best JavaScript framework for back-end with Node.js, especially in MEAN or MERN stacks.

Originally built by TJ Holowaychuk in 2010, before Express was acquired by IBM(StrongLoop) in 2015. Its maintained by Node.js Foundation. One of the key advantages of using Express is it rapid server-side coding.

Complex tasks that could take hours to code using pure Node.js can be resolved within a few minutes. On top of that, Express offers a robust routing mechanism for handling highly dynamic URLs as compared to the basic and rudimentary one offered by Node.js.

Also debugging is an effortless task by easily pin-pointing bugs plus Express provides a templating engine to dynamically render HTML pages on the server-side which makes web apps more efficient.

6. GatsbyJS

Gatsby Js

Last on this list is Gatsby, founded by Kyle Mathews and Sam Bhagwat, around 2015. Gatsby is a modern, flexible React and GraphQl based Static Site Generator that is used to build high-performance and SEO friendly static sites.

Gatsby pull data from any data source possible like WordPress, Drupal, Netlify, Contentful etc or any APIs, databases or simple markdown. Unlike Next.js, Gatsby does not perform server-side rendering. Instead, it generates HTML content on the client-side during build time. As a result, it delivers blazing-fast performance, flawless security and great SEO performance.

Another advantage that Gatsby offers are their plugins that can add key functionalities and modifications that can make your life easier.

These plugins range from enhancing UI/UX, using styled-components, integration with key services like Email marketing tools or CMS, SEO, image optimisation, setting up sites analytics tools, creating sitemaps, caching etc.

7. Next.js

Next Js

Next.js is an end-to-end server-side rendering framework based on React. created by Vercel(previously known as ZEIT) in 2017. Although both Next and Gatsby are based on React, there’s one key difference between those two. Gatsby is a static site generator while Next is essentially SSR (Server-side renderer).

Just remember Next does offer static generators as well. Next was built with the principle of “Build once, runs everywhere”. Which means that not only can you make web apps with Next.js.  But mobile, desktop apps and Progressive Web apps as well.

The major advantages of using Next.js is its automatic code-splitting, code reloading, automatic routing, and built-in handling of SEO.

8. Angular

Angular

Angular, an open-source typescript based framework by Google and used to build client-side single-page web applications. It was created by Google’s engineers Misko Hevery and Adam Abrons in 2010. AngularJS achieved popular recognition. As it was poised to reign supreme but the rise of React did push it into non-existence presenting its grave of short comings.

So as a result, it went through a complete and total re-write scratch and Angular was reborn in 2016.

AngularJS took inspiration from React and made severe changes. The biggest shift from M-V-W architecture  to component-based architecture just like we have seen in React. Today it’s one of the most secure front-end frameworks for building enterprise scaled apps.

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8 Best JavaScript Frameworks for 2021