7 JavaScript Libraries to Check Out in 2021

7 JavaScript Libraries to Work With in 2021

Popular JavaScript libraries and frameworks are particularly handy tools that every front-end web designer should know how to handle. They not only offer additional functionality to your site, but also help to create current web design trends, resulting in an outstanding experience for your users. This article talks about 7 approved and most liked 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 enables you to build web pages with vertical or horizontal scrolling with vivid animation and slow-down motions.

Main Features:

  • Vertical and horizontal scrolling is available.
  • User-friendly and easy to customize.
  • It operates in both modern and old browsers.
  • The overall design suits screens of different sizes, including tablets and mobile devices.
  • Automatic scrolling activated once the page loads.
  • Has mouse wheel scrolling.
  • Supports lazy loading of images and videos.
  • It can also be applied as JavaScript plugin.
  • Can be used with React and Angular wrappers.

2. Anime.js

Anime JS


Anime.js is a lightweight JavaScript animation library that has a great API and operates with CSS properties, SVG, DOM components, and JavaScript items.

Key Features:

  • The gradual system built into the Anime makes it easy to manage complex and repeated animations. It can be used to set both timings and properties.
  • The library can animate several CSS conversion properties with various timestamps simultaneously in a single HTML item.
  • Play, pause, control, reverse, and trigger events could be used synchronously thanks to the full built-in callback and control features.
  • Anime.js can run on any website. It is also possible to 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 standard JavaScript library that lets you display any HTML items in full-screen mode using the full-screen JavaScript API. Operates with all modern browsers like IE7 / 8/9/10, Chrome, Firefox, Safari, and others.

4. Moment.js

Moment js

MomentJS is a JavaScript library that lets you analyze, verify, modify, and display the date / time in JavaScript in a standard way.

Main Features:

  • Lets you display the date in a readable way in accordance with you location.
  • It is possible to use MomentJS inside the browser using the script method. Same is also available with Node.js or can be installed using npm.
  • In MomentJS, you can access many applicable methods for inserting, subtracting, reviewing the date, getting the maximum, minimum date, and many more.
  • Since it is an open source project, any one can easily access and contribute to the library by adding features in the form of plugins and making it available on GitHub or Node.js.

5. Slick


Slick is a relatively new jQuery plugin dedicated to creating fully adjustable and mobile – friendly carousels / sliders that could be combined with any html elements.

Key Features:

  • Responsive framework.
  • Typically uses CSS3 but can function even without it.
  • Offers swipe adjustment function.
  • Active infinite loop.
  • You can use autoplay, dots, arrows, callbacks, and more.

6. Popper.js

popper js


Popper.js operates as an engine, a library that computes and, if needed, applies certain design to poppers.

Features Include:

  • You can place items while keeping them in the original DOM context.
  • Lets you export the estimated information for combination with React and other view libraries.
  • Supports Shadow DOM components.
  • Offers fully customizable thanks to the modifier-based system.

7. Leaflet



Leaflet is a popular open- source JavaScript library for mobile-friendly interactive maps. Conveniently, it only takes about 39KB of JS weight and has all the mapping features you would ever need.


  • Leaflet is built with simplicity, efficiency, and flexibility in mind.
  • It works the same way on all key desktop and mobile platforms, relying on all HTML5 and CSS3 available in both modern and old versions.
  • It can be upgraded with a great number of plugins, has an adaptive, easy to use and well-structured API, as well as uncomplicated, readable source code, which you could potentially contribute to.


It is essential for a developer to learn how to run JavaScript libraries. It will dramatically increase your productivity and make development more effortless and fast. Normally, each developer individually selects a library based on their project needs. These are 7 JavaScript libraries we recommend to try out and use in your work starting from today.


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