❓ CHALLENGE

console.log('Start');

setTimeout(() => console.log('Timeout'), 0);

Promise.resolve().then(() => console.log('Promise'));

console.log('End');

😯 Virtual x86: x86 Virtualization with JS and WASM

Run Linux, numerous older versions of Windows, BSD, MS-DOS, and other systems right in the browser (and quickly, too). Not a new project, but I’m always impressed how it’s constantly getting updates. GitHub repo.

FABIAN HEMMER

❓ CHALLENGE

function Car(make) {
  this.make = make;
}

function Truck(make) {
  this.make = make;
}

const car = new Car('Toyota');
const truck = new Truck('Toyota');

console.log(car.__proto__ === truck.__proto__);
console.log(car.constructor === truck.constructor);
console.log(car instanceof Truck);
console.log(car instanceof Car);
console.log(Truck.prototype.isPrototypeOf(car));
console.log(Car.prototype.isPrototypeOf(truck));

❓ CHALLENGE

function Animal() {
  this.type = 'animal';
}

function Dog() {
  this.name = 'dog';
}

Dog.prototype = new Animal();

const rover = new Dog();
const spot = new Dog();

console.log(rover instanceof Dog);
console.log(rover instanceof Animal);
console.log(rover instanceof Object);

console.log(rover === spot);
console.log(rover.constructor === Dog);
console.log(rover.constructor === Animal);

👀 DerbyJS 4.0: The Mature MVC Web Framework

It’s never been the most popular of the frameworks, but Derby has lived through most of Node’s history and remains a viable option for building realtime, collaborative apps in particular. GitHub repo.

NATE SMITH ET AL.

❓ CHALLENGE

function Animal() {}

function Dog() {}

Dog.prototype = Object.create(Animal.prototype);

const rover = new Dog();

console.log(rover.constructor === Animal);

🤟 Five Node Version Managers Compared

In an ideal world, the latest version of Node would slot well into every project, but in reality we often need to switch versions, and a variety of tools are available to make it simple. NVM is perhaps the best known, but maybe N, FNM, Volta, or even pnpm could suit you better?

PAVEL ROMANOV

❓ CHALLENGE

function Person(name) {
  this.name = name;
}

Person.prototype.sayName = function() {
  console.log('My name is ' + this.name);
};

const john = new Person('John');

console.log(john.sayName === Person.prototype.sayName);

😉Postgres is all you need for your AI application (EN)

Varik Matevosyan
Software Engineer (Lantern, YC W24)

❓ CHALLENGE

function Shape() {}
function Circle(radius) {}
Circle.prototype = Object.create(Shape.prototype);
const shape = new Shape();
console.log(shape instanceof Circle);

🏤 Demystifying the push & pull nature of Angular Signals

Tomas Trajan

❓ CHALLENGE

const promise = new Promise((resolve, reject) => {
  setTimeout(() => reject(new Error('Error')), 1000);
});

promise
  .then(result => console.log(result))
  .then(result => console.log(result))
  .catch(error => console.error(error.message))
  .finally(() => console.log('Finally'));