7 JavaScript Libraries to Work With in 2021

7 JavaScript Libraries to Work With in 2021

Popular JavaScript libraries and frameworks are incredibly useful tools that any front-end web designer should be familiar with. They can add powerful functionality to your site or help you create current web design trends, resulting in an exceptional experience for your users. This article presents 7 useful libraries for JavaScript developers.

1. FullPage.js

7 JavaScript Libraries to Work With in 2021


FullPage.js is a jQuery and Vanilla JavaScript plugin for a single-page website that allows you to create web pages with vertical or horizontal scrolling with smooth animation and slow-down options.


  • Vertical and horizontal scrolling is possible
  • Easy to use. Easily customizable.
  • It works in both modern and old browsers.
  • The responsive design is suitable for screens of different sizes, as well as for tablets and mobile devices.
  • Automatic scrolling when the page loads.
  • Supports mouse wheel scrolling.
  • Lazy loading of images / videos.
  • It can also be used as a vanilla JavaScript plugin.
  • React and Angular wrappers.

2. Anime.js

Anime JS


Anime.js is a lightweight JavaScript animation library with a simple but powerful API. It works with CSS properties, SVG, DOM attributes, and JavaScript objects.


  • The step-by-step system built into the anime makes it easy to work through complex and overlapping animations. It can be used for both timings and properties.
  • Animates multiple CSS conversion properties with different timestamps simultaneously in a single HTML element.
  • Play, pause, control, reverse, and trigger events synchronously using the full built-in callback and control functions.
  • Anime.js works with any website. Animate all CSS, SVG, DOM attributes, as well as JavaScript objects using a single unified API.

3. Screenfull.js

Screenfull js


Screenfull.js is a common JavaScript library that allows you to display any HTML elements in full-screen mode using the full-screen JavaScript API. Works with all modern browsers, such as IE7 / 8/9/10, Chrome, Firefox, Safari, and others.

4. Moment.js

Moment js

MomentJS is a JavaScript library that helps you analyze, validate, manipulate, and display the date / time in JavaScript in a very simple way.


  • Allows you to display the date in accordance with the localization and in a readable format.
  • The ability to use MomentJS inside the browser using the script method. It is also available with Node.js and can be installed using npm.
  • In MomentJS, you can find many easy-to-use methods for adding, subtracting, checking the date, getting the maximum, minimum date, etc.
  • This is an open source project, everyone can easily contribute to the library and add features in the form of plugins and make it available on GitHub and in Node.js.

5. Slick


Slick is a fresh new jQuery plugin for creating fully customizable, responsive, and mobile – friendly carousels / sliders that work with any html elements.


  • Fully responsive.
  • If possible, it uses CSS3. Fully functional and without it.
  • Swipe adjustment.
  • An infinite loop.
  • Autoplay, dots, arrows, callbacks, and more.

6. Popper.js

popper js


Popper.js is an engine, a library that calculates and, if necessary, applies styles to poppers.


  • Placing elements while keeping them in the original DOM context.
  • Allows you to export the calculated information for integration with React and other view libraries.
  • Supports Shadow DOM elements.
  • Fully customizable thanks to the modifier-based structure.

7. Leaflet



Leaflet is a leading open source JavaScript library for interactive maps that are mobile-friendly. It only weighs about 39KB of JS and has all the mapping features developers need.


  • Leaflet is designed with simplicity, performance, and usability in mind.
  • It works effectively on all major desktop and mobile platforms out of the box, taking advantage of HTML5 and CSS3 available in both modern and old.
  • It can be extended with a huge number of plugins, has a beautiful, easy to use and well-documented API, as well as simple, readable source code, which is a pleasure to contribute to.


It is important for a developer to have and use the right JavaScript libraries. This will increase your productivity and make development much easier and faster. Each developer individually selects a library based on their needs. These are 7 JavaScript libraries that you can try out and start using in your projects today.

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