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jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers. jQuery was originally released in January 2006 at BarCamp NYC by John Resig and was influenced by Dean Edwards’ earlier "cssQuery" library.

jQuery also provides capabilities for developers to create plug-ins on top of the JavaScript library. This enables developers to create abstractions for low-level interaction and animation, advanced effects and high-level, themeable widgets. The modular approach to the jQuery library allows the creation of powerful dynamic web pages and Web applications. With a combination of versatility and extensibility, jQuery has changed the way that millions of people write JavaScript.

What is the difference between jQuery regular to jQuery slim build?

jQuery slim is a smaller package than the regular build, that excludes AJAX and effects modules, resulting in a smaller size, about 6kb. You might not notice any performance improvements.

What is jQuery Migrate?

It can be a lot of work to upgrade the jQuery library, as some APIs were removed in the new version. To save time and simplify the transition from older versions you can use jQuery Migrate, which restores the APIs that were removed. Additionally, it displays warnings in the browser console when deprecated APIs are being used. When you finish to fully upgrade your website to the new version of jQuery, you can remove jQuery Migrate from your website.

jQuery CDNs (Free):

Read about browser support: https://jquery.com/browser-support/

Key Features:

  • Lightweight footprint
  • Effects and animations
  • Extensibility through plug-ins
  • CSS3 compliant
  • Cross-Browser
  • JSON parsing
  • And much more…

Download jQuery Core

Download from official site

Download jQuery Migrate

Download from official site

Last Update: August 29, 2023

Current Version: 3.7.1 / 2.2.4 / 1.12.4

License: Freeware

Developer: John Resig

Homepage: jQuery.com

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