⚡ JavaScript Libraries in Canada

JavaScript libraries are collections of prewritten JavaScript code with reusable functions and components that enable developers to simplify complex tasks, enhance website interactivity, and accelerate application development.

According to our statistics, JavaScript libraries are used on 71.5% of websites from Canada.

⭐ Most Popular in 2026

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

The most popular is jQuery, which dominates the market with an overwhelming 90.1% share.
It is followed by Swiper with 18% and Facebook SDK with 15.5%.

🚀 Highlights

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

✨ Best JavaScript Libraries

Below is a more detailed list of the top 25 of the 282 JavaScript libraries used on sites from Canada, ranked by their market share.

RankNameMarket 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
2
Swiper
Weston, Florida, United States

A modern touch slider library for building responsive sliders and carousels with hardware-accelerated transitions.

FreeOpen source
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
4
Polyfill

An open-source JavaScript library that provides modern web API features to older browsers that do not natively support them.

FreeOpen source
5
ImagesLoaded
Alexandria, Virginia, United States

A JavaScript library that detects when images have been loaded.

FreeOpen source
6
Slick

An open source, fully responsive and accessible carousel library.

FreeOpen source
7
🍪 JS Cookie
Germany

A simple, lightweight JavaScript library for handling browser cookies.

FreeOpen source
8
Modernizr

A JavaScript library that detects the availability of HTML, CSS and JavaScript features in the user's browser.

FreeOpen source
9
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
10
Waypoints
West Linn, Oregon, United States

A library that makes it easy to execute a function whenever you scroll to an element.

FreeOpen source
11
Owl Carousel
Germany

A touch enabled jQuery plugin that lets you create a beautiful, responsive carousel slider.

FreeOpen source
12
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
13
React
Menlo Park, California, United States

A popular open-source JavaScript library for building dynamic user interfaces, created by Facebook.

FreeOpen source
14
jQuery BlockUI

Allows you to block user interaction on the page or part of the page.

FreeOpen source
15
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
16
Regenerator
Menlo Park, California, United States

A JavaScript library from Facebook that allows the use of ES6 generators in older browsers.

FreeOpen source
17
FlexSlider
San Francisco, California, United States

A responsive jQuery slider created by the WooCommerce team and included with WooCommerce.

FreeOpen source
18
Magnific Popup

A responsive lightbox and dialog plugin for jQuery and Zepto.js.

FreeOpen sourceLegacy
19
Fancyapps

A commercial library of JavaScript UI components that includes lightbox, carousel, and pan/zoom components.

€29+
20
jQuery Easing
Wilberfoss, North Yorkshire, United Kingdom

A jQuery plugin that adds 10+ advanced easing animations.

FreeOpen source
21
Isotope
Alexandria, Virginia, United States

A commercial JavaScript library for creating filterable and sortable grid layouts.

FreeOpen source$25+
22
SmartMenus

A jQuery plugin for creating mobile-first, responsive, and accessible list-based website menus that work on all devices.

FreeOpen source
23
Lightbox
San Francisco, California, United States

The original lightbox library used to overlay images on top of the current page.

FreeOpen source
24
Masonry
Alexandria, Virginia, United States

A cascading grid layout library that places elements in optimal positions based on available vertical space.

FreeOpen source
25
Popper
Monza, Italy

A JavaScript library used for positioning and displaying tooltips, popovers, and dropdowns.

FreeOpen source

👉 See Also

Data is based on the analysis of 61,040 websites from Canada.
Statistics were last calculated on .
For details, see our methodology and disclaimer.