Category "continuations"

How `set!` works in Racket when working with continuations?

I have this code working code based on an example from wikipedia (define (foo5) (define (control-state return) (define-syntax-rule (yield x)

Is CallCC an improved version of goto?

My background is Javascript, Python & a bit of Haskell. I am trying to understand callCC, there are many explanations but I can't find them trivial & I

How to implement continuations in dynamic language like JavaScript?

I need some hits how I should go about and implement continuation for lips in JavaScript (my lisp is almost like scheme, except no continuations and TOC). Here