Kyle Simpson
You Don't Know JS
Dive into the core pillars of the JavaScript language with Kyle Simpson, author of the popular, You Don't Know JS, book series. You'll learn JavaScript's types, how to convert between them, and compare them with == and ===. You'll also learn lexical scope and closure. As well as the objects oriented system (this, prototypes and classes).
This course and others like it are available as part of our Frontend Masters video subscription.