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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 31 453 subscribers, ranking 4 376 in the Technologies & Applications category and 13 524 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 31 453 subscribers.

According to the latest data from 15 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -174 over the last 30 days and by 16 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 6.21%. Within the first 24 hours after publication, content typically collects 2.59% reactions from the total number of subscribers.
  • Post reach: On average, each post receives 1 952 views. Within the first day, a publication typically gains 813 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 16 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.

31 453
Subscribers
+1624 hours
-137 days
-17430 days
Posts Archive
CHALLENGE
function* fibonacci() {
  let [prev, curr] = [0, 1];
  while (true) {
    yield curr;
    [prev, curr] = [curr, prev + curr];
  }
}

function* take(iterable, limit) {
  for (const item of iterable) {
    if (limit <= 0) return;
    yield item;
    limit--;
  }
}

const fibs = [...take(fibonacci(), 5)];
fibs.push(fibs[0] + fibs[1]);
console.log(fibs);

What is the output?
Anonymous voting

CHALLENGE
function createCounter() {
  let count = 0;
  
  return function() {
    count++;
    return count;
  };
}

const counter1 = createCounter();
const counter2 = createCounter();

counter1();
counter1();
counter2();

const result = counter1() + counter2();
console.log(result);

πŸ” Protect.js: 'Encryption in Use' for Data in Node Apps Designed to work with any Node framework or ORM, Protect.js provides
πŸ” Protect.js: 'Encryption in Use' for Data in Node Apps Designed to work with any Node framework or ORM, Protect.js provides AES-256 based β€˜encryption in use’ functionality. GitHub repo. CipherStash

What is the output?
Anonymous voting

CHALLENGE
let x = 1;
function outer() {
  let x = 2;
  function inner() {
    console.log(x);
    let x = 3;
  }
  inner();
}
outer();

🀟 Node.js Gets an Official Community Space on Discord While there have been numerous IRC channels and Discord and Slack serv
🀟 Node.js Gets an Official Community Space on Discord While there have been numerous IRC channels and Discord and Slack servers where Node developers can congregate, the Nodeiflux Discord server has been promoted to being an official one – here’s the invite link if you’re a Discord user. There are already 15k members, so it’s hopping. Vitullo and Wunder

What is the output?
Anonymous voting

CHALLENGE
const counter = {
  count: 0,
  increment() {
    this.count++;
    return this.count;
  }
};

const inc = counter.increment;
const boundInc = counter.increment.bind(counter);

console.log([
  counter.increment(),
  inc(),
  boundInc(),
  counter.count
]);

What is the output?
Anonymous voting

CHALLENGE
const cache = new WeakMap();
const obj1 = { id: 1 };
const obj2 = { id: 2 };

cache.set(obj1, 'data1');
cache.set(obj2, 'data2');

obj2.newProp = 'test';

console.log(cache.has(obj1), cache.has(obj2), cache.has({ id: 1 }));

What is the output?
Anonymous voting

CHALLENGE
async function getData() {
  return Promise.resolve(1);
}

async function process() {
  try {
    const x = await getData();
    const y = await Promise.resolve(x + 1);
    console.log(y + await Promise.resolve(1));
  } catch(err) {
    console.log('Error');
  }
}

process();

πŸ˜†
πŸ˜†

What is the output?
Anonymous voting

CHALLENGE
const users = [
  { id: 1, name: 'Alice', age: 25 },
  { id: 2, name: 'Bob', age: 30 },
  { id: 3, name: 'Charlie', age: 35 }
];

const result = users
  .filter(user => user.age > 25)
  .map(user => user.name.toUpperCase())
  .reduce((acc, name) => acc + name[0], '');

console.log(result);

🀨 A Perplexing JavaScript Parsing Puzzle It looks deceptively simple – just 14 characters of JavaScript – but after working
🀨 A Perplexing JavaScript Parsing Puzzle It looks deceptively simple – just 14 characters of JavaScript – but after working with JavaScript for 29 years, I got it wrong. A clue: it goes back to a browser-related quirk from 30 years ago.. Hillel Wayne

What is the output?
Anonymous voting

CHALLENGE
class Task {
  constructor(name) {
    this.name = name;
  }
  async execute() {
    const result = await Promise.resolve(this.name);
    return { result };
  }
}

const task = new Task('test');
task.execute().then(console.log);