❓ 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);

Another Milestone Celebration 🎉

We just hit 6,000 members! 🍊

A special shoutout to my team members, Varik and Sipan—I can't thank you enough for consistently dedicating your time and effort to our project.
Your commitment doesn't go unnoticed, and I speak for all of us when I say how much we value and appreciate it.

Cheers to a fantastic team! 🌟
Nairi

❓ CHALLENGE #215

function multiply(a, b) {
  if (b === 0) {
    return 0;
  } else if (b > 0) {
    return a + multiply(a, b - 1);
  } else {
    return -multiply(a, -b);
  }
}

console.log(multiply(7, 5));