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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 31 168 subscribers, ranking 4 166 in the Technologies & Applications category and 12 793 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 31 168 subscribers.

According to the latest data from 15 September, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -145 over the last 30 days and by -20 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 6.12%. Within the first 24 hours after publication, content typically collects 2.30% reactions from the total number of subscribers.
  • Post reach: On average, each post receives 1 908 views. Within the first day, a publication typically gains 717 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 16 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.

31 168
Subscribers
-2024 hours
-557 days
-14530 days
Posts Archive
⛽️ Drydock: Diff Your npm Tarballs Before You Publish From a Preact core team member comes a tool to diff built npm tarballs
⛽️ Drydock: Diff Your npm Tarballs Before You Publish From a Preact core team member comes a tool to diff built npm tarballs against the last published version, flagging install scripts, network access and new binaries. It can then gate your Actions publish job or watch npm's new staged publishing flow. Jovi De Croock

What is the output?
Anonymous voting

CHALLENGE
class Base {
  static count = 0;
  static #secret = 42;
  static {
    Base.count = 10;
  }
  static getSecret() {
    return this.#secret;
  }
}

class Derived extends Base {
  static count = Base.count + 5;
}

let result;
try {
  result = Derived.getSecret();
} catch (e) {
  result = e.constructor.name;
}

console.log(Base.count, Derived.count, result);

🌦 NestJS 12 Released with ESM-First Packages, Rspack and Vitest The progressive framework gets its biggest release in years,
🌦 NestJS 12 Released with ESM-First Packages, Rspack and Vitest The progressive framework gets its biggest release in years, going ESM-first (CJS is still an option), replacing webpack with Rspack, adding Standard Schema support for easy interop with Zod, Valibot and friends, plus structured logging, a brand new homepage, and more. Kamil Mysliwiec

What is the output?
Anonymous voting

CHALLENGE
class Counter {
  constructor() {
    this.count = 0;
  }
  increment() {
    this.count++;
    return this.count;
  }
}

const counter = new Counter();
const boundInc = counter.increment.bind(counter);
const rebind = boundInc.bind({ count: 100 });

console.log(boundInc(), rebind(), counter.count);

What is the output?
Anonymous voting

CHALLENGE
const log = [];

async function a() {
  log.push('a-start');
  await b();
  log.push('a-end');
}

async function b() {
  log.push('b-start');
  await Promise.resolve();
  log.push('b-end');
}

a();
log.push('sync-end');

setTimeout(() => console.log(log.join(',')), 0);

What is the output?
Anonymous voting

CHALLENGE
class Range {
  #start; #end;
  constructor(start, end) { this.#start = start; this.#end = end; }
  [Symbol.iterator]() {
    let current = this.#start;
    const end = this.#end;
    return {
      next() {
        return current < end
          ? { value: current++, done: false }
          : { value: undefined, done: true };
      },
      [Symbol.iterator]() { return this; }
    };
  }
}

const range = new Range(1, 5);
const arr1 = [...range];
const arr2 = [...range];
const sum = arr1.reduce((a, b) => a + b, 0);
console.log(arr1.join(','), arr2.join(','), sum);

What is the output?
Anonymous voting

CHALLENGE
const nums = [40, 100, 1, 5, 25, 10];
nums.sort();
console.log(nums.join(' '));

What is the output?
Anonymous voting

CHALLENGE
function partial(fn, ...presetArgs) {
  return (...laterArgs) => fn(...presetArgs, ...laterArgs);
}

const add = (a, b, c) => a + b + c;
const addFive = partial(add, 5);
const addFiveTen = partial(addFive, 10);
console.log(addFiveTen(1), addFive(2, 3));

export {};

What is the output?
Anonymous voting

CHALLENGE
const proto = { inherited: 'nope' };
const obj = Object.create(proto);
obj.b = 2;
obj[1] = 'one';
obj.a = 1;
Object.defineProperty(obj, 'hidden', { value: 'secret', enumerable: false });
obj[Symbol('sym')] = 'symbolValue';
console.log(
  Object.keys(obj).join(','),
  Object.values(obj).join(','),
  Object.entries(obj).length
);

What is the output?
Anonymous voting

CHALLENGE
const compose = (...fns) => x => fns.reduceRight((acc, fn) => fn(acc), x);
const pipe = (...fns) => x => fns.reduce((acc, fn) => fn(acc), x);

const add = n => x => x + n;
const mul = n => x => x * n;

const composed = compose(add(3), mul(2));
const piped = pipe(add(3), mul(2));

console.log(composed(5), piped(5));

πŸ”₯
πŸ”₯

What is the output?
Anonymous voting