Intro to RxJs

OR: "Introduction to Observables"

OR: "WTF are Observables?"

ASYNCHRONY

aka The First Mindfuck of JavaScript

  
  function doSomething() {
    // Does stuff
    return computedThing;
  }

var mahDatas = doSomething();

// => undefined

aka The First Mindfuck of JavaScript

  
  function doSomething(callback) {
    // Does stuff
    return callback(computedThing);
  }

var mahDatas = doSomething(val => {
  console.log(val)
});

Language agnostic API definition for implementing Observables.