How do I add a simple jQuery script to WordPress?

Question

I read the Codex and a few blog posts about using jQuery in WordPress, and its very frustrating. I\'ve got as far as loading jQuery in functions.php file, but a

Answer 1

"We have Google" cit. For properly use script inside wordpress just add hosted libraries. Like Google

After selected library that you need link it before your custom script: exmpl

and after your own script