1. Open up SharePoint Portal and click on Site Actions -> Site Settings -> All Site Settings option

2. Under “Site Administration“group option, Click on “Content and Structure” link

3. From top menu Click “New” List option to create a list of type “Document Library”.

4. Let’s Configure document library further…. Let’s name it as “JavaLib”
[ Note: The name of the document library could be any name you like, I like the name JavaLib as we will use this library to organize all JavaScript’s related resources]

5. (Best Practices) Now, We can configure the JavaLib with additional columns, Versioning and Security so that it can return us a favors like versioning and auto advancing to new versions (if needed).

5.1. Add a column “Script Version” as Single Line of Text to JavaLib

Having “Script version” column becomes very informative when one has lots of developers.

5.2. Configure versioning with 10 Major & 10 Minor Versions

Versioning will allow you to rollback to previous version if there is a bug/known defects without having all other pages needing a modification.

5.3. Set Library security as Read Only to Everyone and Contribute to DevGroup

Limiting who can upload new items (scripts) will help establish controlled processes and release changes using major versions.

6. Let’s download most current JQuery version 1.3.2 from http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js to the desktop

7. Now, Let’s upload jquery.1.3.2.min.js file from our desktop to our JavaLib library.

Note: After uploading the file, Please make sure you change the Name from Jquery-1.3.2.min.js to Jquery and Title as Jquery-1.3.2.min.js and Script version as 1.3.2. This will help us in future if other revisions are available then you do not have to update all webparts with new framework urls.

8. Now we have JQuery available in our environment, with correct control security & versioning in place.

Thanks to Hemendra Patel over @ http://hemsoft.blogspot.com/2009/06/first-look-at-jquery-sharepoint.html

If youre not already using JQuery in your Sharepoint environment Im sure you will be in someway in the future, to get you started heres some useful links:

JQuery at EndUserSharepoint

50 JQuery examples

37 more JQuery examples