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About The Code
The code itself is written rather cleanly in an attempt to self-document. If you've spotted some areas of code that could be improved, please feel free to discuss it on the Development mailing list. All input is gladly appreciated!
All of the code is available in two formats:
- Compressed (which allows you to have a significantly smaller file size) and
- Uncompressed (good for debugging and to understand what is behind the magic).
If you're interested in downloading Plugins developed by jQuery contributors, please visit the Plugins page.
jQuery is provided under the following MIT and GPL licenses.
CDN Hosted jQuery
A number of large enterprises provide hosted copies of jQuery on existing CDN networks that are available for public use. Below are links to the CDN-hosted copies of jQuery that you may hotlink to.
- jQuery CDN (Edgecast via (mt))
- https://code.jquery.com/jquery-1.4.4.min.js Minified version
- https://code.jquery.com/jquery-1.4.4.js Source version
- Please do not link to versions of jQuery on static.jquery.com or dev.jquery.com; hotlinking to these subdomains will be disabled in Q3 of 2010 and your sites will break!
- Google Ajax API CDN
- Microsoft CDN
Download jQuery
This is the recommended version of jQuery to use for your application. The code in here should be stable and usable in all modern browsers.
The minified versions, while having a larger file size than the packed versions (note: packed version is not available in current release), are generally the best versions to use on production deployments. The packed versions require non-trivial client-side processing time to uncompress (unpack) the code whereas the minified versions do not. The packed versions of jQuery will take less time to download than the minified or uncompressed versions; however, each time the library is loaded (initially or from the browser cache) it will need to be uncompressed which will cause a non-trivial delay in the execution of any jQuery code each time it is loaded.
Current Release
- 1.4.4 (Release Notes)
Minified, Uncompressed
Documentation: Changelog
Past Releases
- 1.4.3 (Release Notes)
Minified, Uncompressed
Documentation: Changelog
- 1.4.2 (Release Notes)
Minified, Uncompressed
Documentation: Changelog
- 1.4.1 (Release Notes)
Minified, Uncompressed
Documentation: Changelog, Visual Studio - 1.4 (Release Notes)
Minified, Uncompressed
Google's AJAX Library API/CDN: Minified
Documentation: Changelog - 1.3.2 (Release Notes)
Minified, Uncompressed
Google's AJAX Library API/CDN: Minified
Documentation: Visual Studio - 1.3.1 (Release Notes)
Minified, Uncompressed
Documentation: Visual Studio - 1.3 (Release Notes)
Minified, Uncompressed
Documentation: Changelog, Visual Studio - 1.2.6 (Release Notes)
Minified, Packed, Uncompressed
Documentation: Visual Studio - 1.2.5 (Release Notes)
Minified, Packed, Uncompressed - 1.2.4 (Release Notes)
Minified, Packed, Uncompressed - 1.2.3 (Release Notes)
Minified, Packed, Uncompressed - 1.2.2 (Release Notes)
Minified, Packed, Uncompressed - 1.2.1 (Release Notes)
Minified, Packed, Uncompressed - 1.2 (Release Notes)
Minified, Packed, Uncompressed - 1.1.4
Compressed, Uncompressed - 1.1.3.1
Compressed, Uncompressed - 1.1.3
Compressed, Uncompressed - 1.1.2
Compressed, Uncompressed - 1.1.1
Compressed, Uncompressed - 1.1
Compressed, Uncompressed - 1.0.4
Compressed, Uncompressed - 1.0.3
Compressed, Uncompressed - 1.0.2
Compressed, Uncompressed - 1.0.1
Compressed, Uncompressed - 1.0
Compressed
jQuery Git - An Instant WIP Build For Testing
This work-in-progress build (known as jQuery Git) is generated once a minute from the jQuery Git repository. It is provided as a convenience for anyone that wants to help test changes in the next version of jQuery.
When reporting issues with WIP builds of jQuery, please make sure you include the date the snapshot was generated (it is listed at the top of the file).
Linking to WIP builds directly from the CDN is not advised, as the file is constantly refreshed and will change from minute to minute as new commits are made to the repository.
WARNING: Do NOT use jQuery Git in a production system or live application! It is not tested. It is not stable. It will probably blow up on you unexpectedly. You have been warned! If in doubt, stop and use the current release.
- jquery-git.js - Uncompressed, work-in-progress build
Build From Git
Note: The following is quite advanced. If you wish to just use a more-recent version of jQuery, please try the WIP build.
All source code is kept under Git revision control, which you can browse online. There's a download link available for any file or directory, if you only want to download a portion of the jQuery code.
If you have access to Git, you can connect to the repository here:
git clone git://github.com/jquery/jquery.git
You can also check out a specific version of jQuery from GitHub at:
git clone git://github.com/jquery/jquery.git git checkout <version> e.g. git checkout 1.2.6
If you want to build your own copy of jQuery from the Git repository, you will need to build it.
Note: The jQuery UI code is in its own Git repository:
git clone git://github.com/jquery/jquery-ui.git
Build Requirements
jQuery currently requires the following components to be installed:
- A build system (either
makeorantworks):- make: Available on most Unix-based system (Unix, BSD, OSX, Cygwin)
- ant: Available on any platform with JDK and ANT installed
- java: A copy of Java, version 1.6.0 or later (required to build the minified version of jQuery).
Build Process
You will now need to use the build system that you chose previously - either make or ant.
If you're using make:
- To create jQuery:
make- This will create jquery.js and jquery.min.js in the dist directory
If you're using ant:
- To create jQuery:
ant- This will create jquery.js and jquery.min.js in the dist directory
© 2010 The jQuery Project
Sponsored by Media Temple and others.