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 is a fast, small, and feature-rich JavaScript library. search Search jQuery API Documentation. The second version helps you update code to run on jQuery 3.0 or higher, once you have used Migrate 1.x and upgraded to jQuery 1.9 or higher: Download the compressed, production jQuery Migrate 3.1.0. . All the aspects of the API that were deprecated in the corresponding version of jQuery. CSS Reference CSS Browser Support CSS Selector Reference Bootstrap 3 Reference Bootstrap 4 Reference W3.CSS Reference Icon Reference Sass Reference. Category: Deprecated 3.4. ... jQuery Selectors. Download the uncompressed, development jQuery Migrate 3.1.0. jQuery Reference.

The jQuery library is a single JavaScript file, and you reference it with the HTML