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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 31 441 subscribers, ranking 4 382 in the Technologies & Applications category and 13 579 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 31 441 subscribers.

According to the latest data from 12 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -211 over the last 30 days and by -26 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 6.22%. 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 1 955 views. Within the first day, a publication typically gains 794 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 13 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.

31 441
Subscribers
-2624 hours
-807 days
-21130 days
Posts Archive
What is the output?
Anonymous voting

CHALLENGE
const x = 15;
const y = 10;
const z = 3;

const result1 = x & y;
const result2 = x | y;
const result3 = x ^ y;
const result4 = ~x;
const result5 = y << z;
const result6 = y >> 1;

console.log(`${result1},${result2},${result3},${result4},${result5},${result6}`);

What is the output?
Anonymous voting

CHALLENGE
const obj = {
  data: ['x', 'y', 'z'],
  *[Symbol.iterator]() {
    for (let i = this.data.length - 1; i >= 0; i--) {
      yield this.data[i].toUpperCase();
    }
  }
};

const result = [];
for (const item of obj) {
  result.push(item);
  if (result.length === 2) break;
}

console.log(result.join('-'));

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);

πŸ‘€ Superdiff 4.0: Compares Arrays or Objects and Returns a Diff Got two similar objects or arrays and want to see the underly
πŸ‘€ 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);

πŸ’Ž Happy 20th Birthday jQuery! On January 14, 2006, John Resig introduced a JavaScript library called jQuery at BarCamp in Ne
πŸ’Ž 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();

JavaScript - Statistics & analytics of Telegram channel @javascript