ignitae Academy

Modern JavaScript, the useful parts

Destructuring, generators, private fields and Proxy: the everyday language features that make modern JavaScript read better.

Syllabus

Destructuring and spread

Destructure what you need, spread the rest
Destructuring, spread and rest (exercise)

Iterators and generators

A generator yields values one at a time
Range generator and take (exercise)

Classes and private fields

A private field is state the outside cannot touch
A counter with a private field (exercise)

Proxy and Reflect

A Proxy intercepts; Reflect does the real work
A validating proxy (exercise)