JavaScript

10 October 2024 15:37

🌪 Run your GitHub Actions locally

JavaScript

09 October 2024 15:25

👩‍🦯 ESLint now officially supports linting of JSON and Markdown

JavaScript

08 October 2024 16:05

😂

JavaScript

07 October 2024 15:03

🔥 How an incredibly amateur mistake left Arc Browser wide open to hackers

JavaScript

06 October 2024 15:45

😉Bundling: The Past, Present and Future

A history lesson on bundlers, why they’re used, the problems they solve, the current ecosystem, and a look at the potential future for these tools.

Devon Govett

JavaScript

05 October 2024 15:44

✌️ VoidZero: A Next-Generation Toolchain for JavaScript

Not content to have merely created Vue.js and Vite, JavaScript powerhouse Evan You has unveiled his latest adventure: a $4.6m funded company building an open-source unified development toolchain for the JavaScript ecosystem. With his track record, this is as good an attempt as it gets.

Evan You

JavaScript

04 October 2024 15:36

😢 Why?

JavaScript

03 October 2024 16:13

👍 gradient-string 3.0: Beautiful Color Gradients in Terminal Output

What’s the next step up from colorizing the text output of your Node-powered CLI app? Gradients. v3.0 is rewritten in TypeScript and is a pure ES module.

Boris K

JavaScript

02 October 2024 15:56

🤟 µExpress / Ultimate Express: Like Express, But Faster?

It’s not Express, but a reimplementation of Express’s functionality with API compatibility. Based on µWebSockets, and with an optimized router, it boasts faster performance than regular Express, but needs some C++ magic to make it happen.

dimden

JavaScript

01 October 2024 17:22

✌️ Don't Sleep on AbortController

AbortController is a broadly available mechanism for, originally, aborting Web requests on demand, but you can use it for a lot more than that (or ‘anything!’, as Artem explains).

Artem Zakharchenko

JavaScript

30 September 2024 16:20

👀 Schedule-X 2: A Modern Event Calendar Component

Available in the form of React/Preact, Vue, Svelte, Angular, or plain JS components. Open source but with a premium version with extra features. GitHub repo.

Tom Österlund

JavaScript

29 September 2024 15:08

👀 Mathematical Symbols and JavaScript Equivalents

We’re not just talking the obvious like + and - but things like ⁿ√, Σ, Π, ∃, and set notation.

Joshua Nussbaum

JavaScript

28 September 2024 15:55

💻 Deno 2 is here… will it actually kill Node.js this time?

🔥 Fireship

JavaScript

27 September 2024 15:44

👍 Chokidar 4.0: Efficient Cross-Platform File Watching Library

Wraps around fs.watch / fs.watchFile and normalizes the events received, applies some best practices, and presents an API that works the same across different platforms.

Paul Miller

JavaScript

26 September 2024 15:46

😉 From Node.js to Deno: How It All Began

A brief nine minute documentary exploring the origins of Deno with Ryan Dahl and Bert Belder. A good, quick way to get up to speed with the motivations behind the alternative JavaScript runtime.

Honeypot

JavaScript

10 October 2024 08:30

CHALLENGE ❓

async function asyncFunc() {
  console.log('Async Start');
  await new Promise(resolve => setTimeout(resolve, 100));
  console.log('Async End');
}

console.log('Script Start');
asyncFunc();
setTimeout(() => console.log('Timeout 1'), 50);
setTimeout(() => console.log('Timeout 2'), 150);
console.log('Script End');

JavaScript

09 October 2024 08:30

CHALLENGE ❓

setTimeout(() => {
  console.log('setTimeout 1');
  Promise.resolve().then(() => console.log('Promise 1'));
}, 0);

Promise.resolve().then(() => {
  console.log('Promise 2');
  setTimeout(() => console.log('setTimeout 2'), 0);
});

console.log('Sync');

JavaScript

08 October 2024 08:30

CHALLENGE ❓

console.log('A');
setTimeout(() => console.log('B'), 0);
Promise.resolve().then(() => console.log('C'));
console.log('D');

JavaScript

07 October 2024 08:30

CHALLENGE ❓

console.log(1);
setTimeout(() => console.log(2), 0);
Promise.resolve()
  .then(() => {
    console.log(3);
    return Promise.resolve(4);
  })
  .then(console.log);
console.log(5);

JavaScript

06 October 2024 08:30

CHALLENGE ❓

async function fetchData() {
  console.log('Fetching...');
  await new Promise((resolve) => {
    setTimeout(() => {
      console.log('Data fetched');
      resolve();
    }, 100);
  });
  console.log('Process completed');
}

fetchData();
console.log('End of script');

JavaScript

05 October 2024 08:30

CHALLENGE ❓

const arr = [1, 2, 3];
const newArr = arr.map(num => num * 2);

newArr.push(4);
arr[0] = 0;

console.log(arr);
console.log(newArr);

JavaScript

04 October 2024 08:30

CHALLENGE ❓

function* generatorFunction() {
  yield 1;
  yield* function* () {
    yield 2;
    yield 3;
  }();
  yield 4;
}

const gen = generatorFunction();
console.log(gen.next().value);
console.log(gen.next().value);
console.log(gen.next().value);
console.log(gen.next().value);
console.log(gen.next().value);

JavaScript

03 October 2024 08:30

CHALLENGE ❓

const obj = {
  value: 100,
  method: function() {
    const inner = function() {
      console.log(this.value);
    };
    inner();
  }
};

obj.method();

JavaScript

02 October 2024 08:30

CHALLENGE ❓

const promise = new Promise((resolve) => {
  console.log('Promise started');
  setTimeout(() => {
    resolve('Promise resolved');
  }, 100);
});

promise.then((result) => {
  console.log(result);
});

console.log('End of script');

JavaScript

01 October 2024 08:30

CHALLENGE ❓

const original = Object.freeze({ a: [1, 2, 3] });
const copy = { ...original };

copy.a.push(4);

console.log(original.a);
console.log(copy.a);

JavaScript

30 September 2024 08:31

CHALLENGE ❓

var a = 5;
function test() {
  console.log(a);
  var a = 10;
  console.log(a);
}

test();

JavaScript

29 September 2024 08:30

CHALLENGE ❓

const animal = {
  sound: "Generic sound",
  makeSound() {
    return this.sound;
  }
};

const dog = Object.freeze(Object.create(animal));
dog.sound = "Bark";

const result = dog.makeSound();

console.log(result);

JavaScript

28 September 2024 08:31

CHALLENGE ❓

const person = {
  name: "John",
  greet: function() {
    const getMessage = () => `Hello, ${this.name}`;
    return getMessage();
  }
};

console.log(person.greet());

JavaScript

27 September 2024 08:30

CHALLENGE ❓

let funcs = [];

for (var i = 0; i < 3; i++) {
  funcs.push(() => i);
}

console.log(funcs[0]());
console.log(funcs[1]());
console.log(funcs[2]());

JavaScript

26 September 2024 08:31

CHALLENGE ❓

function tag(strings, ...values) {
  return strings.reduce((acc, str, i) => {
    return acc + str + (values[i] ? values[i].toUpperCase() : '');
  }, '');
}

const first = "hello";
const second = "world";

const result = tag`${first} and ${second} are great!`;

console.log(result);