⚡ JavaScript Libraries in Slovenia

JavaScript libraries are collections of prewritten code that provide reusable functions and components for building interactive features and handling common client-side tasks in web applications.

Slovenia is a Southern European country with a population of around 2.1 million people.

According to our statistics, JavaScript libraries are used on 80.1% of websites from Slovenia.

⭐ Most Popular in 2026

The following chart shows the top JavaScript libraries in Slovenia in 2026, based on market share.

The most popular is jQuery, which dominates the market with an overwhelming 90.3% share.
It is followed by Swiper with 21.5% and Facebook SDK with 19.3%.

jQuery 90.3%
Swiper 21.5%
Facebook SDK 19.3%
ImagesLoaded 13.9%
Polyfill 13.9%
🍪 JS Cookie 12.5%
Owl Carousel 11.8%
jQuery BlockUI 10.2%
Waypoints 10%
Slick 9.8%
Modernizr 9.6%
Fancyapps 9.3%
Underscore.js 8.8%
Lottie 8.5%
Lightbox 8.4%

🚀 Highlights

Here is a list of the top libraries that are more popular in Slovenia than worldwide.
Differences between global and country rankings are shown in parentheses.

4. ImagesLoaded ^(-1)
6. 🍪 JS Cookie ^(-2)
8. jQuery BlockUI ^(-8)
9. Waypoints ^(-2)
11. Modernizr ^(-1)
12. Fancyapps ^(-1)
13. Underscore.js ^(-4)
15. Lightbox ^(-5)
16. jQuery Easing ^(-2)
18. Isotope ^(-3)

✨ Best JavaScript Libraries

Below is a more detailed list of the top 25 of the 246 JavaScript libraries used on sites from Slovenia, ranked by their market share.

Rank	Name	Market share
1	jQuery San Francisco, California, United States A fast, small, feature-rich JavaScript library designed to simplify HTML DOM tree traversal and manipulation, event handling, CSS animations, and Ajax. FreeOpen source	90.3%
2	Swiper Weston, Florida, United States A modern touch slider library for building responsive sliders and carousels with hardware-accelerated transitions. FreeOpen source	21.5%
3	Facebook SDK Menlo Park, California, United States A library that provides client-side tools for Social Plugins, Facebook Login, and Graph API calls. Free	19.3%
4	ImagesLoaded Alexandria, Virginia, United States A JavaScript library that detects when images have been loaded. FreeOpen source	13.9%
5	Polyfill An open-source JavaScript library that provides modern web API features to older browsers that do not natively support them. FreeOpen source	13.9%
6	🍪 JS Cookie Germany A simple, lightweight JavaScript library for handling browser cookies. FreeOpen source	12.5%
7	Owl Carousel Germany A touch enabled jQuery plugin that lets you create a beautiful, responsive carousel slider. FreeOpen source	11.8%
8	jQuery BlockUI Allows you to block user interaction on the page or part of the page. FreeOpen source	10.2%
9	Waypoints West Linn, Oregon, United States A library that makes it easy to execute a function whenever you scroll to an element. FreeOpen source	10%
10	Slick An open-source, fully responsive and accessible carousel library. FreeOpen source	9.8%
11	Modernizr A JavaScript library that detects the availability of HTML, CSS and JavaScript features in the user's browser. FreeOpen source	9.6%
12	Fancyapps A commercial library of JavaScript UI components that includes lightbox, carousel, and pan/zoom components. €29+	9.3%
13	Underscore.js Boston, Massachusetts, United States A utility library for JavaScript that provides support for functional programming helpers (each, map, reduce, filter) without extending any built-in JavaScript objects. FreeOpen source	8.8%
14	Lottie San Francisco, California, United States An animation framework created by Airbnb that lets developers export Adobe After Effects animations as JSON and render them natively on mobile, desktop, and the web. FreeOpen source	8.5%
15	Lightbox San Francisco, California, United States The original lightbox library used to overlay images on top of the current page. FreeOpen source	8.4%
16	jQuery Easing Wilberfoss, North Yorkshire, United Kingdom A jQuery plugin that adds 10+ advanced easing animations. FreeOpen source	8.2%
17	Magnific Popup A responsive lightbox and dialog plugin for jQuery and Zepto.js. FreeOpen sourceLegacy	8.2%
18	Isotope Alexandria, Virginia, United States A commercial JavaScript library for creating filterable and sortable grid layouts. FreeOpen source$25+	8%
19	FlexSlider San Francisco, California, United States A responsive jQuery slider created by the WooCommerce team and included with WooCommerce. FreeOpen source	7%
20	MediaElement.js Dallas, Texas, United States A free audio and video player with support for media files (MP4, WebM, MP3), streaming content (HLS, Dash), and embeddable players (YouTube, Facebook, Vimeo, Twitch, SoundCloud, etc). FreeOpen source	6.8%
21	Regenerator Menlo Park, California, United States A JavaScript library from Facebook that allows the use of ES6 generators in older browsers. FreeOpen source	6.2%
22	jQuery Cookie A deprecated jQuery plugin for reading, writing and deleting cookies. FreeOpen sourceLegacy	5.5%
23	SystemJS Vancouver, Canada A hookable, standards-based, dynamic ES module module loader. FreeOpen source	5.4%
24	jQuery Mousewheel A jQuery plugin that adds cross-browser mouse wheel support. FreeOpen sourceLegacy	4.9%
25	Masonry Alexandria, Virginia, United States A cascading grid layout library that places elements in optimal positions based on available vertical space. FreeOpen source	4.8%

👉 See Also

✨ Related Technologies
- JavaScript
🌎 JavaScript Libraries in other countries

Data is based on the analysis of 8,063 websites from Slovenia.
Statistics were last calculated on March 20, 2026.
For details, see our methodology and disclaimer.