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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
let person = {
  name: 'Alice',
  age: 30,
  valueOf: function() {
    return this.age;
  }
};

let result = person + 10;
console.log(result);

πŸ€” How and Why to Build 'Copy Code' Buttons A commonly encountered way to give readers easier access to source shared on the
πŸ€” How and Why to Build 'Copy Code' Buttons A commonly encountered way to give readers easier access to source shared on the Web. David Bushell has an interesting followup reflecting on his own experiences implementing the same feature. Salma Alam-Naylor

What is the output?
Anonymous voting

CHALLENGE
const obj1 = { a: 1, b: 2 };
const obj2 = { b: 3, c: 4 };
const mergedObj = { ...obj1, ...obj2 };
console.log(mergedObj);

πŸŒͺ GitHub Extends Its Monaspace Font Family Monaspace is a fantastic set of monospaced fonts from GitHub targeted at coding u
πŸŒͺ GitHub Extends Its Monaspace Font Family Monaspace is a fantastic set of monospaced fonts from GitHub targeted at coding use cases. Its new v1.2 release ups the ante by including Nerd Fonts support and symbols, new box drawing glyphs, characters, character variants, ligatures, and more. GitHub

What is the output?
Anonymous voting

CHALLENGE
function Person(name, age) {
  this.name = name;
  this.age = age;
}

Person.prototype.getDetails = function() {
  return this.name + ' is ' + this.age + ' years old.';
};

const john = new Person('John', 25);
console.log(john.getDetails());

✌️πŸ₯Ά Ohm: A Parsing Toolkit for JavaScript and TypeScript It’s been a few years since we covered this project and it’s come a
✌️πŸ₯Ά Ohm: A Parsing Toolkit for JavaScript and TypeScript It’s been a few years since we covered this project and it’s come along a lot. It’s a library for building PEG-based parsers you can use in interpreter, compilers, analysis tools, etc. and you can even play with its grammar online. Warth, Dubroy, et al.

What is the output?
Anonymous voting

CHALLENGE

let weakmap = new WeakMap();

let obj1 = {};
let obj2 = {};

weakmap.set(obj1, 'value1');
weakmap.set(obj2, 'value2');

obj1 = null;

console.log(weakmap.has(obj1));

πŸ‘€ Style Observer: A Library to Observe CSS Property Changes Lea Verou is a developer who’s easy to admire because whenever s
πŸ‘€ Style Observer: A Library to Observe CSS Property Changes Lea Verou is a developer who’s easy to admire because whenever she sets out to solve a problem, the results are always fully formed with no cut corners. So it goes with this β€˜exhaustively tested’ JS library for observing changes to CSS properties which deftly handles lots of browser quirks. See the project homepage for more. (TIL there’s a .style TLD!) Lea Verou

What is the output?
Anonymous voting

CHALLENGE
const promise = new Promise((resolve, reject) => {
  reject('Error occurred');
});

promise
  .then(() => {
    console.log('Promise resolved!');
  })
  .catch(error => {
    console.log(error);
  })
  .then(() => {
    console.log('Process completed');
  });

πŸ˜†
πŸ˜†

What is the output?
Anonymous voting

CHALLENGE
function outerFunction() {
  let x = 10;
  function innerFunction() {
    x += 5;
    console.log(x);
  }
  return innerFunction;
}

const closureFunc = outerFunction();
closureFunc();
closureFunc();

What is the output?
Anonymous voting

CHALLENGE
const symbol1 = Symbol('symbol');
const symbol2 = Symbol('symbol');

const obj = {};
obj[symbol1] = 'value1';
obj[symbol2] = 'value2';

console.log(obj[symbol1]);

🀟 How to Publish ESM-Based npm Packages with TypeScript Now that you can use the ES modules (almost) everywhere, it’s worth
🀟 How to Publish ESM-Based npm Packages with TypeScript Now that you can use the ES modules (almost) everywhere, it’s worth understanding how to package them up for use with npm. Axel digs into everything you need to know and shares some useful tools too. Dr. Axel Rauschmayer