Hey👋, there. Ever wondered what JavaScript libraries are, how they can be useful, and which libraries to use? In this piece, I'll explain everything.

JavaScript library is a library of pre-written code that can be used repeatedly to perform JavaScript tasks.

They are useful because they :

• Utilize fewer codes to achieve more.

• Make it easier to integrate JavaScript with other web development technologies.

• Facilitate development.

AOS.Js

AOS is the short form for "Animate on Scroll". It is a library that contains various scrolling animations that can be added to your websites. These animations include Fade up, Fade down, Zoom in, Zoom out, etc.

It can be used with various frameworks or other JavaScript libraries such as React, Angular, and Vue js by simply using CDNs or package managers such as npm, yarn, or bower.

Benefit:

• Works on all screen sizes

• It has no dependencies

Check out this Library documentation.

Anime.Js

Anime.Js is a lightweight library that allows you to add cool and complex animations with a simple API to your project.

Features:

• Built-in staggering system

• Layered CSS transforms

• Controls and callback

• Animate anything (Html, CSS, JS, SVG)

Bideo.Js

Bideo.Js is a library used to incorporate full-screen background videos into your websites.

Benefits/ Features:

• Easy to use and implement

• Videos can be resized based on the browser used

• Responsive on all screen sizes

fullPage.Js

fullPage.Js are useful for one-page websites. They help to create beautiful full-screen scrolling websites.

Features:

• Enables both vertical and horizontal scrolling.

• Auto-scrolling on page loads

• Responsive on all screen sizes.

To avoid wasting time writing code that has already been created by another programmer, developers should reuse existing code whenever possible. It's also important to understand which libraries to use and how to use them.