The complete jQuery tutorial
Have a look at the Table of contents to the right, where all the chapters are listed and be sure to come back regularly, as we will keep adding new chapters to it. We hope that this tutorial will get you started properly on jQuery and come to love it as much as we do.
A basic knowledge of HTML is recommended when learning jQuery. If you're new to HTML, you might wish to take a look at this great HTML5 tutorial before proceeding.