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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 31 169 suscriptores, ocupando la posición 4 162 en la categoría Tecnologías y Aplicaciones y el puesto 12 802 en la región India.

📊 Métricas de audiencia y dinámica

Desde su creación el невідомо, el proyecto ha mostrado un crecimiento acelerado, reuniendo a 31 169 suscriptores.

Según los últimos datos del 16 septiembre, 2026, el canal mantiene una actividad estable. En los últimos 30 días la variación de miembros fue de -150, y en las últimas 24 horas de -1, conservando un alto alcance.

  • Estado de verificación: No verificado
  • Tasa de interacción (ER): El promedio de interacción de la audiencia es 6.13%. Durante las primeras 24 horas tras publicar, el contenido suele obtener 2.29% de reacciones respecto al total de suscriptores.
  • Alcance de las publicaciones: Cada publicación recibe en promedio 1 911 visualizaciones. En el primer día suele acumular 715 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 17 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.

31 169
Suscriptores
-124 horas
-417 días
-15030 días
Archivo de publicaciones
❓ TermDOM: Build Terminal UIs with HTML, CSS and the DOM Like the look of Ink but don't like React? TermDOM implements a DOM,
TermDOM: Build Terminal UIs with HTML, CSS and the DOM Like the look of Ink but don't like React? TermDOM implements a DOM, cascade and layout engine that paints to the terminal, so you can write a TUI with HTML and CSS. Pure JS, no native or WASM dependencies, and the official TodoMVC runs with only a stylesheet swap. Early days, but I like the idea! Brian Kim

What is the output?
Anonymous voting

CHALLENGE
function curry(fn) {
  return function curried(...args) {
    if (args.length >= fn.length) {
      return fn.apply(this, args);
    }
    return (...more) => curried.apply(this, args.concat(more));
  };
}

function add(a, b, c = 10) {
  return a + b + c;
}

const curriedAdd = curry(add);
console.log(`${curriedAdd(1)(2)} ${curriedAdd(1,2,3)} ${curriedAdd(4)(5,6)}`);

The js1024 code golfing contest is over and we have three winners! Skydreams, a Super Monkey Ball-like experience, came in fi
The js1024 code golfing contest is over and we have three winners! Skydreams, a Super Monkey Ball-like experience, came in first place. You can read the readable and minified source if you want to see the techniques used.

What is the output?
Anonymous voting

CHALLENGE
function combine(a, b = 10, ...rest) {
  return JSON.stringify([a, b, rest]);
}
const inputs = [1, undefined, 3, 4, 5];
console.log(combine(...inputs));

👀 Migrating a Large Flow Monorepo to TypeScript Over several years, Yelp moved 1.4 million lines off Flow, and this writeup
👀 Migrating a Large Flow Monorepo to TypeScript Over several years, Yelp moved 1.4 million lines off Flow, and this writeup is more useful as a guide to running any long migration than as a Flow story. It was a big win on its own terms, with type coverage up from 83% to 96%. Shawn Walton (Yelp)

What is the output?
Anonymous voting

CHALLENGE
const key = 'greet';
const name = 'world';
const obj = {
  name,
  [key]() { return `Hello, ${this.name}`; },
  [`${key}Arrow`]: () => `Hello, ${this?.name}`,
};
console.log(`${obj.greet()} | ${obj.greetArrow()}`);

What is the output?
Anonymous voting

CHALLENGE
const obj = { a: { b: null }, getVal: null };
let counter = 0;
function sideEffect() {
  counter++;
  return counter;
}
const result = obj?.a?.b?.[sideEffect()] ?? 'default1';
const result2 = obj.getVal?.(sideEffect()) ?? 'default2';
const result3 = obj?.a?.c?.d ?? sideEffect();
console.log(result, result2, result3, counter);

Did you know JavaScript supports a third type of comment (beyond // and /* */)? 😉 Mat Marquis shows off hashbang comments in
Did you know JavaScript supports a third type of comment (beyond // and /* */)? 😉 Mat Marquis shows off hashbang comments in a short YouTube video. And yes, they're in the language spec!

What is the output?
Anonymous voting

CHALLENGE
function test() {
  try {
    console.log(y);
  } catch (e) {
    return e.constructor.name;
  }
}

let result1 = test();
let y = 'hoisted';

console.log(result1, typeof y, y);

👀 anydoc: Convert 14 Document Formats into Markdown A Rust-powered library (with Node.js and WASM bindings) that converts Wo
👀 anydoc: Convert 14 Document Formats into Markdown A Rust-powered library (with Node.js and WASM bindings) that converts Word, PowerPoint, Excel, OpenDocument, RTF, EPUB, CSV, and PDF documents into Markdown. I tried it on a 1,600 page PDF and it took less than 2 seconds. There's also an in-browser demo to try it out. GitHub repo. Firecrawl

What is the output?
Anonymous voting

CHALLENGE
const arr = [1, 2, 3, 4, 5];
arr[Symbol.iterator] = function* () {
  for (let i = 0; i < 3; i++) yield arr[i] * 2;
};
console.log([...arr], JSON.stringify(arr));

🤟 Node.js 26.7.0 (Current) Released Landing just two days after 26.6, coverage reports can now include files your tests didn
🤟 Node.js 26.7.0 (Current) Released Landing just two days after 26.6, coverage reports can now include files your tests didn't touch with --test-coverage-include-all, FFI and SQLite pick up crash fixes, and Perfetto tracing support lands, though you'll need a custom build to use it. Antoine du Hamel

What is the output?
Anonymous voting

CHALLENGE
class Money {
  #amount;
  constructor(amount) { this.#amount = amount; }
  [Symbol.toPrimitive](hint) {
    if (hint === 'number') return this.#amount;
    if (hint === 'string') return `$${this.#amount}`;
    return `Money(${this.#amount})`;
  }
}
const m = new Money(42);
console.log(`${m}`, m + 8, m == 42);