olddustysocksunderthecouch

import { someData } from ‘./path/to/file.js’;

olddustysocksunderthecouch

import * as upToYou from ‘./path/to/file.js’;

olddustysocksunderthecouch

class Person {
    constructor () {
        this.name = ‘Douglas Adams’;
    }
}
const person = new Person();
console.log(person.name); //logs: ‘Douglas Adams’

olddustysocksunderthecouch

class Person {
    name = ‘Douglas Adams’;
}
const person = new Person();
console.log(person.name); //logs: ’Douglas Adams’

olddustysocksunderthecouch

class Person{ 
    name = ‘Douglas Adams’;
    printAuthorsName () {
        console.log(this.name); // this is required to refer to the class!
    }
}
const person = newPerson();
person.printAuthorsName();

olddustysocksunderthecouch

class Person{
    name = ‘Douglas Adams’;
    printAuthorsName = () => {
    console.log(this.name);
    }
}
const person = new Person();
person.printAuthorsName();

olddustysocksunderthecouch

class Human{
    species = ‘human’;
}

const person = new Person();
class Person extends Human{
    name = ‘Douglas Adams’;
    printAuthorsName = () => {
        console.log(this.name);
    }

olddustysocksunderthecouch

const oldArray = [1, 2, 3];
const newArray = […oldArray, 4, 5]; // This now is[1, 2, 3, 4, 5];

olddustysocksunderthecouch

const oldObject = {
    name: ‘Douglas Adams’
};
const newObject = {
    …oldObject,
    age: 42
};

olddustysocksunderthecouch

{
    name: ‘Douglas Adams’,
    age: 42
}