Javascript libraries include: jQuery, React, "D3.js", Underscore, Lodash, Algolia Places, "Anime.js", Animate On Scroll, "Bideo.js", "Chart.js", etc. .
The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.
What is a JavaScript library?
JavaScript libraries contain various functions, methods or objects to perform practical tasks on web pages or JS-based applications. You can even build a WordPress website using them.
Think of them as a library where you can re-read your favorite books. You might be a writer and enjoy other writers' books, gaining new perspectives or innovations and using them in your life.
Similarly, JavaScript libraries have code or functionality that developers can reuse and make available with slight modifications. Developers write JS library code and other developers reuse the same code to perform certain tasks, such as preparing slides, rather than writing it from scratch. This saves them a lot of time and energy.
They are precisely the motivation for creating JavaScript libraries, which is why you can find dozens of them in multiple use cases. Not only do they save you time, but they simplify the entire development process.
How to use a JavaScript library
To use a JavaScript library in your app, reference the library source path or URL using the src attribute. It adds
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