JavaScript is the ‘Lingua Franca’ of the Web. It is also the second most popular programming language in the world, just behind Python.

If the current trend continues, JavaScript will soon overtake Python as the most popular programming language. One of the Key features of JavaScript is it has a tiny Standard library. To supplement it, JavaScript has millions of libraries (packages). JavaScript package manager NPM ecosystem is one of the most popular and vibrant package manager ecosystems in the Software Development industry.

As a JavaScript developer, you should have a good idea about the most important and useful JavaScript libraries and use them instead of reinventing the wheel. What are the most popular JavaScript libraries?

Here I am listing the 10 most popular JavaScript libraries based on the following features:

• The number of downloads.
• The number of dependent projects.
• Number of GitHub stars

Please note that this list is about libraries and not about frameworks. Also, I am listing libraries across the whole stack: Front-end and Back-end.

1. Lodash

Whether you are developing a Front-end or Back-end applications in JavaScript, you will feel the need for a common Utility library. Lodash is by far the most widely used common JavaScript Utility library. It provides utility functions for common programming tasks using the functional programming paradigm. It is built upon the popular JavaScript library underscore.js. It makes JavaScript coding easier and cleaner.

Main Features

• Common functions to iterate arrays, objects, and strings.
• Manipulate and test numbers and values.
• Create composite functions.
• Advanced functional programming features.

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