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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 31 147 suscriptores, ocupando la posición 4 163 en la categoría Tecnologías y Aplicaciones y el puesto 12 815 en la región India.

📊 Métricas de audiencia y dinámica

Desde su creación el невідомо, el proyecto ha mostrado un crecimiento acelerado, reuniendo a 31 147 suscriptores.

Según los últimos datos del 19 septiembre, 2026, el canal mantiene una actividad estable. En los últimos 30 días la variación de miembros fue de -123, y en las últimas 24 horas de -2, conservando un alto alcance.

  • Estado de verificación: No verificado
  • Tasa de interacción (ER): El promedio de interacción de la audiencia es 6.26%. Durante las primeras 24 horas tras publicar, el contenido suele obtener 2.31% de reacciones respecto al total de suscriptores.
  • Alcance de las publicaciones: Cada publicación recibe en promedio 1 949 visualizaciones. En el primer día suele acumular 718 visualizaciones.
  • Reacciones e interacción: La audiencia responde de forma activa: el promedio de reacciones por publicación es 5.
  • 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 20 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.

31 147
Suscriptores
-224 horas
-367 días
-12330 días
Archivo de publicaciones
What is the output?
Anonymous voting

CHALLENGE
class EventEmitter {
  constructor() {
    this.events = new Map();
  }
  
  on(event, callback) {
    if (!this.events.has(event)) {
      this.events.set(event, []);
    }
    this.events.get(event).push(callback);
    return this;
  }
  
  emit(event, ...args) {
    const callbacks = this.events.get(event);
    if (callbacks) {
      callbacks.forEach(cb => cb(...args));
    }
    return this;
  }
}

const emitter = new EventEmitter();
emitter.on('test', x => console.log(x * 2))
       .on('test', x => console.log(x + 10))
       .emit('test', 5);

What is the output?
Anonymous voting

CHALLENGE
class Calculator {
  constructor(value) {
    this.value = value;
  }
  
  add(num) {
    this.value += num;
    return this;
  }
  
  multiply(num) {
    this.value *= num;
    return this;
  }
}

const calc = new Calculator(5);
const addMethod = calc.add;
const result = addMethod.call(calc, 3).multiply(2);
console.log(result.value);

👀 Superdiff 4.0: Compares Arrays or Objects and Returns a Diff Got two similar objects or arrays and want to see the underly
👀 Superdiff 4.0: Compares Arrays or Objects and Returns a Diff Got two similar objects or arrays and want to see the underlying differences? Superdiff has been around a while, but recent updates boost performance, add support for streamed input and using a worker for more efficient diffing in a background thread. The project now has a handy documentation site too. antoine

What is the output?
Anonymous voting

CHALLENGE
function processData() {
  const results = [];
  
  for (let i = 0; i < 3; i++) {
    const multiplier = i + 1;
    
    setTimeout(() => {
      results.push(i * multiplier);
    }, 0);
  }
  
  setTimeout(() => {
    console.log(results.join(','));
  }, 10);
}

processData();

Whether you agree or not, Ryan Dahl, the original creator of both Node.js and Deno, drew a lot of attention for a post on X (
Whether you agree or not, Ryan Dahl, the original creator of both Node.js and Deno, drew a lot of attention for a post on X (above) where he shared a thought on the shifting roles of modern software engineers in an agentic world.

What is the output?
Anonymous voting

CHALLENGE
function* innerGenerator() {
  yield 1;
  yield 2;
  return 'inner-done';
}

function* outerGenerator() {
  yield 'start';
  const result = yield* innerGenerator();
  yield result;
  yield 'end';
}

const gen = outerGenerator();
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);

💎 Happy 20th Birthday jQuery! On January 14, 2006, John Resig introduced a JavaScript library called jQuery at BarCamp in Ne
💎 Happy 20th Birthday jQuery! On January 14, 2006, John Resig introduced a JavaScript library called jQuery at BarCamp in New York City.... Timmy Willison

What is the output?
Anonymous voting

CHALLENGE
function Vehicle(type) {
  this.type = type;
  this.wheels = 4;
}

Vehicle.prototype.getInfo = function() {
  return `${this.type} with ${this.wheels} wheels`;
};

const car = new Vehicle('sedan');
const bike = Vehicle('motorcycle');

console.log(car.getInfo());
console.log(typeof bike);
console.log(bike?.type || 'undefined');

🤟 Node.js Becomes a First-Class Citizen in Microsoft Aspire Aspire is a Microsoft framework for orchestrating the developmen
🤟 Node.js Becomes a First-Class Citizen in Microsoft Aspire Aspire is a Microsoft framework for orchestrating the development and deployment of distributed applications. Originally just targeting .NET, the new Aspire 13 makes JavaScript a first-class citizen, so you can now run Vite, Node.js, and full-stack JS apps with service discovery, built-in telemetry, and production-ready containers. Microsoft

What is the output?
Anonymous voting

CHALLENGE
function mysteryFunction() {
  console.log(x);
  console.log(y);
  console.log(z);
  
  var x = 'declared';
  let y = 'block-scoped';
  const z = 'constant';
  
  console.log(x);
  console.log(y);
  console.log(z);
}

mysteryFunction();

🤟 Node.js v25.4.0 is out! • require(esm) now stable and a new CLI flag: --require-module • Module compile cache now stable •
🤟 Node.js v25.4.0 is out! • require(esm) now stable and a new CLI flag: --require-module • Module compile cache now stable • http.setGlobalProxyFromEnv() added • Multiple APIs promoted to stable (heapsnapshot, build snapshot, `v8.queryObjects`) • Root CAs updated to NSS 3.117 • Several semver-minor improvements across events, module, stream, process, util Rafael Gonzaga

What is the output?
Anonymous voting

CHALLENGE
const obj = {
  value: 42,
  [Symbol.toPrimitive](hint) {
    if (hint === 'number') return this.value * 2;
    if (hint === 'string') return `Value: ${this.value}`;
    return this.value + 10;
  }
};

console.log(+obj);
console.log(`${obj}`);
console.log(obj + 5);
console.log(Number(obj));

A year ago, developer Dimitri Mitropoulos got Doom to run inside TypeScript's type system. Now, he's joined Dillon Mulroy (ab
A year ago, developer Dimitri Mitropoulos got Doom to run inside TypeScript's type system. Now, he's joined Dillon Mulroy (above) 😉 to walk through the entirety of how it works (in a mere six hours!)