Tyler Buchea

Basic typing of variables const name: string = "Tom Delong"; const age: number = 23; Typing for Class, Array, and Map class User { constructor({ name, age }: { name: string, age: number }) { this.id = Math.random(); this.name = name; this.age = age; } } const users: User[] = [ new User({ name: "Mark", age: 23 }), new User({ name:

An asynchronous function is just a regular function that returns a Promise instead of a Number, String, etc. function asynchronousFunction() { const executorFunction = (resolve) => { setTimeout(() => resolve("foo"), 2000); }; return new Promise(executorFunction); } function synchronousFunction() { return "bar"; } asynchronousFunction() // foo .then(console.log) .catch(console.log); console.log(synchronousFunction()); // bar // console.log output: