CSE HTML Validator

Just an introduction
Hello all.

currently I am a college student seeking a degree in website design and developement.
My instructor introduced me to CSE HTML Validator.
Looking foward to my new career choice.
The class is teaching Javascript Jquery for Web Developement.
Any tips from any one that will improve my developing skills wills be held in the upmost regards.
Thanks
DMiller5

Maybe this is of some use?

30 Days to Learn jQuery http://tutsplus.com/course/30-days-to-learn-jquery/