⚡ JavaScript Libraries in Hong Kong

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.

Hong Kong is an East Asian special administrative region of China with a population of around 7.5 million people.

According to our statistics, JavaScript libraries are used on 75.8% of websites from Hong Kong.

Statistics based on 19K+ analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is jQuery, which dominates the market with a substantial 90.3% share.
It is followed by Swiper with 30.3% and Wow.js with 12.4%.

jQuery 90.3%
Swiper 30.3%
Wow.js 12.4%
Owl Carousel 9%
Facebook SDK 8.2%
Slick 7.8%
Polyfill 5.8%
Waypoints 5.4%
Fancyapps 5.4%
ImagesLoaded 5.1%
FlexSlider 4.9%
Modernizr 4.8%
React 4.7%
Animate On Scroll 4.6%
jQuery Easing 4.3%

🚀 Highlights

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

3. Wow.js ^(-22)
4. Owl Carousel ^(-3)
8. Waypoints ^(-3)
9. Fancyapps ^(-4)
11. FlexSlider ^(-8)
14. Animate On Scroll ^(-18)
15. jQuery Easing ^(-3)
17. jQuery Cookie ^(-12)
19. Popper ^(-5)
20. jQuery Mousewheel ^(-11)

✨ Best JavaScript Libraries

Below is a more detailed list of the top 25 of the 258 JavaScript libraries used on sites from Hong Kong, 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	30.3%
3	Wow.js A JavaScript library that reveals CSS animations when you scroll. FreeOpen source	12.4%
4	Owl Carousel Germany A deprecated open-source jQuery plugin for creating responsive, touch-enabled, and accessible carousel sliders. FreeOpen sourceLegacy	9%
5	Facebook SDK Menlo Park, California, United States A library that provides client-side tools for Social Plugins, Login, and Graph API calls. Free	8.2%
6	Slick An open-source jQuery carousel library for creating responsive, touch-enabled, and keyboard-accessible content sliders. FreeOpen source	7.8%
7	Polyfill An open-source JavaScript library that provides modern web API features to older browsers that do not natively support them. FreeOpen source	5.8%
8	Waypoints West Linn, Oregon, United States An open-source JavaScript library that executes functions when users scroll to specific elements on a web page. FreeOpen source	5.4%
9	Fancyapps Ogre, Latvia A commercial JavaScript UI component library for creating lightboxes, carousels, and interactive image viewers. €29+	5.4%
10	ImagesLoaded Alexandria, Virginia, United States An open-source JavaScript library that detects when images and CSS background images have finished loading, allowing code to run only after loading is complete. FreeOpen source	5.1%
11	FlexSlider San Francisco, California, United States A responsive jQuery slider created by the WooCommerce team and included with WooCommerce. FreeOpen source	4.9%
12	Modernizr San Francisco, California, United States An open-source feature detection library that identifies browser support for HTML, CSS, and JavaScript features and allows websites to adapt accordingly. FreeOpen source	4.8%
13	React Menlo Park, California, United States A popular open-source JavaScript library for building dynamic user interfaces through reusable and stateful UI components, originally created by Facebook. FreeOpen source	4.7%
14	Animate On Scroll A CSS-driven, lightweight library to animate elements on your page as you scroll. FreeOpen source	4.6%
15	jQuery Easing Wilberfoss, North Yorkshire, United Kingdom A jQuery plugin that adds 10+ advanced easing animations. FreeOpen source	4.3%
16	Magnific Popup A responsive lightbox and dialog plugin for jQuery and Zepto.js. FreeOpen sourceLegacy	4%
17	jQuery Cookie A deprecated jQuery plugin for reading, writing and deleting cookies. FreeOpen sourceLegacy	3.6%
18	🍪 JS Cookie Germany An open-source, lightweight JavaScript library for managing browser cookies. FreeOpen source	3.3%
19	Popper Monza, Italy A JavaScript library used for positioning and displaying tooltips, popovers, and dropdowns. FreeOpen source	3.1%
20	jQuery Mousewheel A jQuery plugin that adds cross-browser mouse wheel support. FreeOpen sourceLegacy	3.1%
21	Lightbox San Francisco, California, United States The original lightbox library used to overlay images on top of the current page. FreeOpen source	3.1%
22	Isotope Alexandria, Virginia, United States A commercial JavaScript library for creating filterable and sortable grid layouts. FreeOpen source$25+	3%
23	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	2.6%
24	SystemJS Vancouver, Canada A hookable, standards-based, dynamic ES module module loader. FreeOpen source	2.5%
25	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	2.5%

👉 See Also

🌎 JavaScript Libraries in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 19,066 websites from Hong Kong.
We currently track the presence of 312 JavaScript libraries across the web.
Of these, 258 were detected on websites from Hong Kong.
Statistics were last calculated on August 4, 2026.
For more details, see our methodology and disclaimer.