en
Feedback
JavaScript

JavaScript

Open in Telegram

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

Show more

πŸ“ˆ Analytical overview of Telegram channel JavaScript

Channel JavaScript (@javascript) in the English language segment is an active participant. Currently, the community unites 31 443 subscribers, ranking 4 384 in the Technologies & Applications category and 13 551 in the India region.

πŸ“Š Audience metrics and dynamics

Since its creation on Π½Π΅Π²Ρ–Π΄ΠΎΠΌΠΎ, the project has demonstrated rapid growth, gathering an audience of 31 443 subscribers.

According to the latest data from 13 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -193 over the last 30 days and by 21 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 6.27%. Within the first 24 hours after publication, content typically collects 2.53% reactions from the total number of subscribers.
  • Post reach: On average, each post receives 1 972 views. Within the first day, a publication typically gains 796 views.
  • Reactions and interaction: The audience actively supports content: the average number of reactions per post is 7.
  • Thematic interests: Content is focused on key topics such as javascript, console.log(gen.next().value, processdata, remix, acc.

πŸ“ Description and content policy

The author describes the resource as a platform for expressing subjective opinions:
β€œA resourceful newsletter featuring the latest and most important news, articles, books and updates in the world of #javascript πŸš€ Don't miss our Quizzes! Let's chat: @nairihar”

Thanks to the high frequency of updates (latest data received on 14 June, 2026), the channel maintains relevance and a high level of publication reach. Analytics show that the audience actively interacts with content, making it an important point of influence in the Technologies & Applications category.

31 443
Subscribers
+2124 hours
-537 days
-19330 days
Posts Archive
πŸ˜†
πŸ˜†

What is the output?
Anonymous voting

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);
}

πŸ‘€ Peaks.js 4.0: UI Component for Interacting with Audio Waveforms A project originally spawned from the BBC’s R&D department
πŸ‘€ 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);

πŸ™‚ Mediabunny: A Complete Media Toolkit for JavaScript Supporting both browsers and Node.js, this library lets you read, writ
πŸ™‚ 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);