How to install jquery

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Last updated: April 4, 2026

Quick Answer: To install jQuery, you can either download the library file and link it locally in your HTML, or use a Content Delivery Network (CDN) by including a script tag in your HTML's `<head>` or `<body>` section. Using a CDN is generally recommended for faster loading times and caching benefits.

Key Facts

jQuery is a fast, small, and feature-rich JavaScript library.
There are two primary methods for installing jQuery: local download or CDN.
CDNs like Google Hosted Libraries or cdnjs offer hosted jQuery files.
The latest stable version of jQuery (as of late 2023) is jQuery 3.7.1.
Always ensure you are linking to a valid and secure (HTTPS) jQuery file.

What is jQuery?

jQuery is a popular, open-source JavaScript library designed to simplify HTML document traversal and manipulation, as well as event handling, CSS animation, and Ajax. It was created by John Resig and first released in January 2006. Its philosophy is that "write less, do more," meaning it aims to make common JavaScript tasks much easier to perform with fewer lines of code than would be required by using plain JavaScript.

The library is widely used in web development due to its cross-browser compatibility, ease of use, and extensive plugin ecosystem. It abstracts away many of the complexities of working with the DOM (Document Object Model), making it accessible even to developers with less experience in JavaScript.

Methods for Installing jQuery

There are two main approaches to incorporating jQuery into your web project:

1. Using a Content Delivery Network (CDN)

This is the most common and often recommended method. A CDN is a network of distributed servers that deliver web content to users based on their geographic location. When you use a CDN for jQuery, your users' browsers download the jQuery file from a server close to them, which can significantly speed up loading times. Furthermore, if a user has visited another website that uses the same CDN for jQuery, their browser might already have the file cached, leading to even faster loading on your site.

To use a CDN, you simply add a `