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 31 444 subscribers, ranking 4 369 in the Technologies & Applications category and 13 408 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 31 444 subscribers.

According to the latest data from 18 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -148 over the last 30 days and by -3 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 6.02%. Within the first 24 hours after publication, content typically collects 2.49% reactions from the total number of subscribers.
  • Post reach: On average, each post receives 1 895 views. Within the first day, a publication typically gains 784 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 19 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.

31 444
Subscribers
-324 hours
+47 days
-14830 days
Posts Archive
What is the output?
Anonymous voting

CHALLENGE
let a = 5; // binary: 101
let b = 3; // binary: 011

let result = a ^ b;

console.log(result);

✌️ Boa v0.20: An Alternative JavaScript Compiler Under development for several years, Boa has a few missions: be a Rust ECMAS
✌️ Boa v0.20: An Alternative JavaScript Compiler Under development for several years, Boa has a few missions: be a Rust ECMAScript implementation, be easy to embed in Rust projects, and be a fast, safe JS engine overall. v0.20 sees a bump up to 89.92% compliance in the Test262 suite, improves Temporal support, adds Atomics.pause, and more. This is no toy engine. Boa Developers

What is the output?
Anonymous voting

CHALLENGE
const defaultSettings = {
  theme: 'light',
  notifications: true,
  location: 'USA'
};

const userSettings = {
  theme: 'dark',
  location: 'Canada'
};

const finalSettings = {
  ...defaultSettings,
  ...userSettings
};

console.log(finalSettings);

πŸ–ΌοΈ wasm-vips: It's libvips, Compiled to WebAssembly libvips is a popular, highly efficient image processing library written
πŸ–ΌοΈ wasm-vips: It's libvips, Compiled to WebAssembly libvips is a popular, highly efficient image processing library written in C. You can use it via Sharp in Node.js, but this offers a more isomorphic route for use in Node, Deno, and modern browsers by way of WebAssembly. (There's a nifty online demo here.) Kleis Auke Wolthuizen

What is the output?
Anonymous voting

CHALLENGE
let a = 5; // binary: 0101
let b = 3; // binary: 0011

let result = a & b;

console.log(result);

🀟 Node.js Delivers First LTS with require(esm) Enabled It’s a modest milestone, but Node v22.12.0 (LTS) has been released an
🀟 Node.js Delivers First LTS with require(esm) Enabled It’s a modest milestone, but Node v22.12.0 (LTS) has been released and marks Node’s first LTS release with non-flagged support for loading native ES modules with require(). It’s still experimental, though, and you’re encouraged to send in feedback and bug reports. Sarah Gooding

What is the output?
Anonymous voting

CHALLENGE
var obj = {
  a: 10,
  b: 20,
  c: 'hello'
};

with (obj) {
  var sum = a + b;
  var greeting = c + ' world';
}

console.log(sum, greeting);

What is the output?
Anonymous voting

CHALLENGE
const numbers = [2, 4, 6, 8];
const sum = numbers.reduce((acc, num) => acc + num, 0);
console.log(sum);

What is the output?
Anonymous voting

CHALLENGE
const symbol1 = Symbol('desc1');
const symbol2 = Symbol('desc2');
const myObject = {};
myObject[symbol1] = 'Value1';
myObject[symbol2] = 'Value2';
let output = '';
for (let key in myObject) {
  output += myObject[key] + ' ';
}
output += Object.getOwnPropertySymbols(myObject).length;
console.log(output);

What is the output?
Anonymous voting

CHALLENGE ❓

class MyClass {
  constructor() {
    this.a = 10;
  }
}
MyClass.prototype.b = 20;
const obj = new MyClass();
delete obj.b;
console.log(obj.b);