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A resourceful newsletter featuring the latest and most important news, articles, books and updates in the world of #javascript 🚀 Don't miss our Quizzes! Let's chat: @nairihar

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📈 Análisis del canal de Telegram JavaScript

El canal JavaScript (@javascript) en el segmento lingüístico de Inglés es un actor destacado. Actualmente la comunidad reúne a 31 138 suscriptores, ocupando la posición 4 164 en la categoría Tecnologías y Aplicaciones y el puesto 12 801 en la región India.

📊 Métricas de audiencia y dinámica

Desde su creación el невідомо, el proyecto ha mostrado un crecimiento acelerado, reuniendo a 31 138 suscriptores.

Según los últimos datos del 21 septiembre, 2026, el canal mantiene una actividad estable. En los últimos 30 días la variación de miembros fue de -118, y en las últimas 24 horas de -7, conservando un alto alcance.

  • Estado de verificación: No verificado
  • Tasa de interacción (ER): El promedio de interacción de la audiencia es 6.16%. Durante las primeras 24 horas tras publicar, el contenido suele obtener 2.24% de reacciones respecto al total de suscriptores.
  • Alcance de las publicaciones: Cada publicación recibe en promedio 1 917 visualizaciones. En el primer día suele acumular 697 visualizaciones.
  • Reacciones e interacción: La audiencia responde de forma activa: el promedio de reacciones por publicación es 4.
  • Intereses temáticos: El contenido se centra en temas clave como javascript, console.log(gen.next().value, processdata, remix, acc.

📝 Descripción y política de contenido

El autor describe el recurso como un espacio para expresar opiniones subjetivas:
A resourceful newsletter featuring the latest and most important news, articles, books and updates in the world of #javascript 🚀 Don't miss our Quizzes! Let's chat: @nairihar

Gracias a la alta frecuencia de actualizaciones (últimos datos recibidos el 22 septiembre, 2026), el canal mantiene la vigencia y un amplio alcance. La analítica demuestra que la audiencia interactúa activamente con el contenido, lo que lo convierte en un punto de referencia dentro de la categoría Tecnologías y Aplicaciones.

31 138
Suscriptores
-724 horas
-517 días
-11830 días
Archivo de publicaciones
CHALLENGE
function createCounter() {
  let count = 0;
  return {
    increment: () => ++count,
    decrement: () => --count,
    getValue: () => count
  };
}

const counter1 = createCounter();
const counter2 = createCounter();
counter1.increment();
counter1.increment();
counter2.increment();
console.log(counter1.getValue() + counter2.getValue());

What is the output?
Anonymous voting

CHALLENGE
const createLogger = (prefix) => (message) => `${prefix}: ${message}`;
const createCounter = () => {
  let count = 0;
  return () => ++count;
};

const withLogging = (fn) => (...args) => {
  const result = fn(...args);
  console.log(`Called with: ${args}, Result: ${result}`);
  return result;
};

const counter = createCounter();
const loggedCounter = withLogging(counter);
const logger = createLogger('INFO');

console.log(loggedCounter());
console.log(logger(loggedCounter()));

😭 A Major Supply Chain Attack Hits the npm Ecosystem In July, Socket warned us about a phishing campaign targeting npm packa
😭 A Major Supply Chain Attack Hits the npm Ecosystem In July, Socket warned us about a phishing campaign targeting npm package publishers. Sadly, a prolific package author (among others, like DuckDB, who explain how the attack worked on them) fell victim to the scam, resulting in some popular packages becoming compromised (like Chalk, debug, and others). Gooding, Brown, et al. (Socket)

What is the output?
Anonymous voting

CHALLENGE
const original = {
  name: 'Sarah',
  scores: [85, 92, 78],
  details: {
    age: 25,
    city: 'Portland'
  }
};

const copy1 = { ...original };
const copy2 = JSON.parse(JSON.stringify(original));

copy1.name = 'Emma';
copy1.scores.push(95);
copy1.details.age = 30;

console.log(original.name, original.scores.length, original.details.age);

🎨 Eyecons is a VS Code icon theme that automatically adapts the color of icons to fit your editor's main theme – well, from
🎨 Eyecons is a VS Code icon theme that automatically adapts the color of icons to fit your editor's main theme – well, from this list anyway.

What is the output?
Anonymous voting

CHALLENGE
class CustomError extends Error {
  constructor(message) {
    super(message);
    this.name = 'CustomError';
  }
}

try {
  try {
    throw new CustomError('inner error');
  } catch (e) {
    console.log(e.name);
    throw new Error('outer error');
  }
} catch (e) {
  console.log(e.message);
  console.log(e instanceof CustomError);
}

👀 Peaks.js 4.0: UI Component for Interacting with Audio Waveforms A project originally spawned from the BBC’s R&D department
👀 Peaks.js 4.0: UI Component for Interacting with Audio Waveforms A project originally spawned from the BBC’s R&D department, Peaks renders audio waveforms to a canvas element and allows scrolling, zooming, and the sort of things you might otherwise see in an audio editor. LGPL licensed. Chris Needham et al.

What is the output?
Anonymous voting

CHALLENGE
console.log('1');

setTimeout(() => console.log('2'), 0);

Promise.resolve().then(() => console.log('3'));

queueMicrotask(() => console.log('4'));

setTimeout(() => console.log('5'), 0);

Promise.resolve().then(() => {
  console.log('6');
  return Promise.resolve();
}).then(() => console.log('7'));

console.log('8');

😱 Google Chrome Turns 17: A History A fantastic walkthrough of Chrome’s origins and its evolution over the years. Addy looks
😱 Google Chrome Turns 17: A History A fantastic walkthrough of Chrome’s origins and its evolution over the years. Addy looks at key milestones (multi-process architecture for example), security, its steps into the world of AI, and more. Addy Osmani

What is the output?
Anonymous voting

CHALLENGE
const data = { a: 1, b: 2, c: 3 };
const { a, ...rest } = data;
const newObj = { ...rest, a, d: 4 };

const arr = [1, 2, 3, 4, 5];
const [first, , third, ...remaining] = arr;
const result = [...remaining, third, first];

console.log(newObj);
console.log(result);

🙂 Mediabunny: A Complete Media Toolkit for JavaScript Supporting both browsers and Node.js, this library lets you read, writ
🙂 Mediabunny: A Complete Media Toolkit for JavaScript Supporting both browsers and Node.js, this library lets you read, write and convert popular media file formats (e.g. MP4, MP3, and more) without needing to lean on dependencies like FFmpeg. You can make thumbnails, extract metadata, write code that gets converted into a video, and more. GitHub repo. Vanilagy

What is the output?
Anonymous voting

CHALLENGE
class EventManager {
  constructor() {
    this.listeners = new Map();
  }
  
  addListener(event, callback) {
    if (!this.listeners.has(event)) {
      this.listeners.set(event, new Set());
    }
    this.listeners.get(event).add(callback);
  }
  
  removeListener(event, callback) {
    this.listeners.get(event)?.delete(callback);
  }
}

const manager = new EventManager();
const handler = () => console.log('handled');
manager.addListener('click', handler);
manager.removeListener('click', () => console.log('handled'));
console.log(manager.listeners.get('click').size);

What is the output?
Anonymous voting

CHALLENGE
function highlight(strings, ...values) {
  return strings.reduce((result, string, i) => {
    const value = values[i] ? `<mark>${values[i]}</mark>` : '';
    return result + string + value;
  }, '');
}

const name = 'Sarah';
const age = 25;
const template = highlight`Hello ${name}, you are ${age} years old!`;
console.log(template);

const empty = highlight`No interpolation here`;
console.log(empty);