3 ms·

JS is and always was prototype based. The class keyword is as far as I know just syntax sugar that creates a prototype chain and a new-able function that assign

JS is and always was prototype based. The class keyword is as far as I know just syntax sugar that creates a prototype chain and a new-able function that assigns the prototype to self.

jwalton 7y ago
The '#privateVar' syntax means that classes are no longer simply syntax sugar, unfortunately.
- eropple 7y ago
  Private variables could always be simulated with IIFEs. I'm pretty sure that's actually how TypeScript does it if you compile down low enough.