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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 31 124 subscribers, ranking 4 196 in the Technologies & Applications category and 12 867 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 31 124 subscribers.

According to the latest data from 26 September, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -147 over the last 30 days and by 4 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 6.09%. Within the first 24 hours after publication, content typically collects 2.10% reactions from the total number of subscribers.
  • Post reach: On average, each post receives 1 896 views. Within the first day, a publication typically gains 654 views.
  • Reactions and interaction: The audience actively supports content: the average number of reactions per post is 5.
  • 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 27 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.

31 124
Subscribers
+424 hours
-217 days
-14730 days
Posts Archive
CHALLENGE

const weakMap = new WeakMap();
const obj = {};

(function() {
  const obj1 = { name: 'inner' };
  weakMap.set(obj1, 'inner value');
})();

const result = weakMap.get(obj);

console.log(result);

🌲 🧡 worker_map: Tread-safe map structure for worker_threads A simple abstraction for Node.js worker_threads, allowing you t
🌲 🧡 worker_map: Tread-safe map structure for worker_threads A simple abstraction for Node.js worker_threads, allowing you to create and share a Map (hash table) between worker threads and the main process.

What is the output?
Anonymous voting

CHALLENGE

function* idGenerator() {
  let id = 1;
  while (true) {
    yield id++;
  }
}

const gen = idGenerator();
const weakMap = new WeakMap();
const objs = [{}, {}, {}];

objs.forEach(obj => weakMap.set(obj, gen.next().value));

const result = objs.map(obj => weakMap.get(obj)).filter(id => id % 2 === 0);

console.log(result);

What is the output?
Anonymous voting

CHALLENGE

const weakMap = new WeakMap();
const obj1 = {};
const obj2 = {};

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

const arr = [obj1, obj2];
const result = arr.map(obj => weakMap.get(obj)).join(', ');

console.log(result);

🀟 Node.js Toolbox: A Way to Find and Compare Node.js Packages A fantastic community maintained resource that presents a cate
🀟 Node.js Toolbox: A Way to Find and Compare Node.js Packages A fantastic community maintained resource that presents a category-based way to find packages and libraries. For example, you can check out HTTP frameworks, browser testing, query builders, and more. You can compare libraries in various ways, see their download count, or edit/submit listings yourself. Maxim Orlov

What is the output?
Anonymous voting

CHALLENGE

function* reverseGenerator(arr) {
  for (let i = arr.length - 1; i >= 0; i--) {
    yield arr[i];
  }
}

const result = [...reverseGenerator([1, 2, 3, 4, 5])].join('');

console.log(result);

🌲 Neon: Rust Bindings for Writing Node.js Modules Or, as they put it: β€œElectrify Node.js with the power of Rust.” Neon makes
🌲 Neon: Rust Bindings for Writing Node.js Modules Or, as they put it: β€œElectrify Node.js with the power of Rust.” Neon makes it relatively easy to write code in the popular, high speed systems language and run it from Node, much like any other native extension. Neon Contributors

What is the output?
Anonymous voting

CHALLENGE

function* alternatingGenerator() {
  yield 1;
  yield 2;
  yield 3;
}

const gen = alternatingGenerator();
const result = [gen.next().value, gen.next().value, gen.next().value].reduce((acc, curr) => acc + curr, 0);

console.log(result);

SPONSORED BY Lantern Cloud πŸ‘―β€β™€οΈ Vector database on top of Postgres for AI πŸ€” JS-PyTorch: A PyTorch-Like Library for JavaScri
SPONSORED BY Lantern Cloud πŸ‘―β€β™€οΈ Vector database on top of Postgres for AI πŸ€” JS-PyTorch: A PyTorch-Like Library for JavaScript Recently renamed from JS-Torch, this brings some of the magic from Python’s popular PyTorch library to JavaScript for training and testing neural networks in particular. We linked to it earlier this year, but it has added GPU support thanks to GPU.js. Eduardo Leao

What is the output?
Anonymous voting

SPONSORED BY Lantern Cloud πŸ‘―β€β™€οΈ Vector database on top of Postgres for AI ❓ CHALLENGE

function* fibGenerator() {
  let a = 0, b = 1;
  while (true) {
    let next = a + b;
    a = b;
    b = next;
    yield next;
  }
}

const gen = fibGenerator();
const fibArray = Array.from({ length: 5 }, () => gen.next().value);

console.log(fibArray);

SPONSORED BY Lantern Cloud πŸ‘―β€β™€οΈ Vector database on top of Postgres for AI πŸ’» What we got wrong about HTTP imports Ryan Dahl
SPONSORED BY Lantern Cloud πŸ‘―β€β™€οΈ Vector database on top of Postgres for AI πŸ’» What we got wrong about HTTP imports Ryan Dahl

What is the output?
Anonymous voting

SPONSORED BY Lantern Cloud πŸ‘―β€β™€οΈ Vector database on top of Postgres for AI ❓ CHALLENGE

function* idGenerator() {
  let id = 1;
  while (true) {
    yield id++;
  }
}

const gen = idGenerator();
const ids = Array.from({ length: 3 }, () => gen.next().value).map(id => `ID${id}`);

console.log(ids);

SPONSORED BY Lantern Cloud πŸ‘―β€β™€οΈ Vector database on top of Postgres for AI πŸ†’ Projects on roadmap.sh Projects are a fantastic way to validate your learning and solidify your knowledge. We're thrilled to introduce projects across all of our 50+ roadmaps! We're starting with the backend roadmap, which now features 18 project ideas of varying difficulty levels. We'll gradually add projects to all our roadmaps making our roadmaps even more powerful. Kamran Ahmed