👩‍💻 Angular 17 - New Build-In Control Flow Overview

Angular 17 was released last week and a significant enhancement was support for a new syntax in templates that looks and feels more JavaScript-y.

DMYTRO MEZHENSKYI

❓ CHALLENGE #208

const asyncFunction = async () => {
  const delay = (ms) => new Promise(resolve => setTimeout(resolve, ms));

  const result = await Promise.race([delay(100), delay(500)]);
  return result;
};

asyncFunction().then(value => console.log(value));

Hey awesome community members! 🎉

Guess what? Our favorite programming language, JavaScript, just turned 28 on December 4th! 🎂🥳

Can you believe it's been powering the web for nearly three decades now?

Let's take a moment to appreciate the incredible journey of innovation and transformation it has brought to the world of coding. 🚀✨

Happy Birthday JavaScript

❓ CHALLENGE #209

function* fibonacci() {
  let [prev, curr] = [0, 1];
  while (true) {
    [prev, curr] = [curr, prev + curr];
    yield curr;
  }
}

const fib = fibonacci();

console.log(fib.next().value);
console.log(fib.next().value);
console.log(fib.next().value);

❓ CHALLENGE #210

function deepFreeze(obj) {
  Object.freeze(obj);
  Object.getOwnPropertyNames(obj).forEach(prop => {
    if (typeof obj[prop] === 'object' && !Object.isFrozen(obj[prop])) {
      deepFreeze(obj[prop]);
    }
  });
  return obj;
}

const data = { a: { b: { c: 1 } } };
const frozenData = deepFreeze(data);

frozenData.a.b.c = 2;

console.log(frozenData.a.b.c);

😮 Node.js Download Statistics

Node.js TSC member Matteo has put together a handy site that visualizes the publicly available Node.js download statistics, partly as a way to help guide you as to which versions and which architectures need the most support. Notably, Node 18 has only just begun to pass Node 16 in popularity..

MATTEO COLLINA

❓ CHALLENGE #211

const obj = {};
const sym1 = Symbol('a');
const sym2 = Symbol('b');

obj[sym1] = 1;
obj[sym2] = 2;

console.log(Object.keys(obj));

👩‍💻 aws-lite: A New Node-Powered AWS Client

Amazon Web Services does a pretty good job with its APIs and associated tooling, but sometimes they can be a little bit heavyweight. aws-lite provides a simpler and faster option. “You can think of it as a community-driven alternative to AWS’s JavaScript SDK.”

BEGIN

❓ CHALLENGE #212

let arr = [1, 2, 3, 4, 5];

let slicedArray = arr.slice(1, 4);
let splicedArray = arr.splice(2, 2);

console.log(slicedArray.length + splicedArray.length);

🔥 10 JavaScript Changes You (May Have) Missed in 2023

We’ve covered most of these, but this is still a productive refresher in just six minutes, covering things like toSorted(), iOS Web Push, Next.js updates, Angular 17, and the rapid rise of Bun.

FIRESHIP ON YOUTUBE

❓ CHALLENGE #213

console.log(1 + '2' + '2');

❓ CHALLENGE #214

let x = 10;
let y = 5;

x += y -= x *= y;

console.log(x);