What is the difference between JavaScript and jQuery?

Answer 1

JavaScript is the default scripting language of the web.It's very useful in computer world and has many libraries and frameworks based on it.
jQuery is one of those libraries and make some tasks like DOM manipulation easier.

Answer 2

javascript : the langage
jquery : a javascript library.

jquery is to write javascript easier. but to code canvas or to be stronger, you must know coding in js
look at my codes to know how use jquery, if you want
not simplest ^^