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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

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πŸ“ˆ Analytical overview of Telegram channel JavaScript

Channel JavaScript (@javascript) in the English language segment is an active participant. Currently, the community unites 31 138 subscribers, ranking 4 164 in the Technologies & Applications category and 12 801 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 31 138 subscribers.

According to the latest data from 21 September, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -118 over the last 30 days and by -7 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 6.16%. Within the first 24 hours after publication, content typically collects 2.24% reactions from the total number of subscribers.
  • Post reach: On average, each post receives 1 917 views. Within the first day, a publication typically gains 697 views.
  • Reactions and interaction: The audience actively supports content: the average number of reactions per post is 4.
  • 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 22 September, 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.

31 138
Subscribers
-724 hours
-517 days
-11830 days
Posts Archive
CHALLENGE
const moduleCache = new Map();

async function loadModule(name) {
  if (moduleCache.has(name)) {
    return moduleCache.get(name);
  }
  
  const module = await Promise.resolve({
    default: () => `Module ${name} loaded`,
    version: '1.0.0'
  });
  
  moduleCache.set(name, module);
  return module;
}

const results = [];
loadModule('auth').then(m => results.push(m.default()));
loadModule('auth').then(m => results.push(m.version));
loadModule('utils').then(m => results.push(m.default()));

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

🌟 Behind the Scenes of bun install" is an epic post by Lydia Hallie of the Bun project covering not only what Bun has done t
🌟 Behind the Scenes of bun install" is an epic post by Lydia Hallie of the Bun project covering not only what Bun has done to make its package installation mechanism fast, but also the process and pain points of package installation more generally. bun

What is the output?
Anonymous voting

CHALLENGE
const multiply = (a) => (b) => (c) => a * b * c;

const step1 = multiply(2);
const step2 = step1(3);
const result1 = step2(4);

const result2 = multiply(2)(3)(4);

const partialMultiply = multiply(5);
const result3 = partialMultiply(2)(3);

const doubler = multiply(2)(1);
const result4 = doubler(7);

console.log(result1, result2, result3, result4);

πŸ‘€ Feedsmith 2.0: Web Feed Parsing and Generation Library As well as parsing feeds of various types, you can also create RSS,
πŸ‘€ Feedsmith 2.0: Web Feed Parsing and Generation Library As well as parsing feeds of various types, you can also create RSS, Atom, JSON Feed, and OPML files with many common namespaces (iTunes, Podcast, Media RSS, Dublin Core, etc.) – here’s a quick start tutorial for using it both in browsers or Node. GitHub repo. Maciej Lamberski

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);
  }
}

const manager = new EventManager();
const obj = { name: 'Component' };
manager.addListener('click', () => console.log(obj.name));
obj = null;
console.log(manager.listeners.get('click').size);

🀟 Node.js v24.8.0 (Current) Released The big new feature is added support for inspecting HTTP/2 network calls made from Node
🀟 Node.js v24.8.0 (Current) Released The big new feature is added support for inspecting HTTP/2 network calls made from Node in Chrome DevTools. There have also been some cryptography related enhancements and npm gets upgraded to v11.6. Michaël Zasso

What is the output?
Anonymous voting

CHALLENGE
console.log('1');
setTimeout(() => console.log('2'), 0);
Promise.resolve().then(() => console.log('3'));
setTimeout(() => console.log('4'), 0);
console.log('5');
Promise.resolve().then(() => {
  console.log('6');
  return Promise.resolve();
}).then(() => console.log('7'));
queueMicrotask(() => console.log('8'));
console.log('9');

What is the output?
Anonymous voting

CHALLENGE
const obj = {
  name: 'Sarah',
  regularMethod: function() {
    return () => {
      console.log(this.name);
    };
  },
  arrowMethod: () => {
    return () => {
      console.log(this.name);
    };
  }
};

const regular = obj.regularMethod();
const arrow = obj.arrowMethod();
regular();
arrow();

🎹 Happy Programmers Day!
🎹 Happy Programmers Day!

What is the output?
Anonymous voting

CHALLENGE
const original = {
  name: 'Emma',
  skills: ['JavaScript', 'Python'],
  config: { theme: 'dark', notifications: true }
};

const copy1 = { ...original };
const copy2 = JSON.parse(JSON.stringify(original));
const copy3 = Object.assign({}, original);

copy1.name = 'Sarah';
copy1.skills.push('React');
copy1.config.theme = 'light';

console.log(original.name);
console.log(original.skills.length);
console.log(original.config.theme);

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