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 🚀 Don't miss our Quizzes! Let's chat: @nairihar

Show more

📈 Analytical overview of Telegram channel JavaScript

Channel JavaScript (@javascript) in the English language segment is an active participant. Currently, the community unites 31 136 subscribers, ranking 4 163 in the Technologies & Applications category and 12 809 in the India region.

📊 Audience metrics and dynamics

Since its creation on невідомо, the project has demonstrated rapid growth, gathering an audience of 31 136 subscribers.

According to the latest data from 20 September, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -114 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 6.21%. 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 1 933 views. Within the first day, a publication typically gains 715 views.
  • Reactions and interaction: The audience actively supports content: the average number of reactions per post is 4.
  • Thematic interests: Content is focused on key topics such as javascript, console.log(gen.next().value, processdata, remix, acc.

📝 Description and content policy

The author describes the resource as a platform for expressing subjective opinions:
A resourceful newsletter featuring the latest and most important news, articles, books and updates in the world of #javascript 🚀 Don't miss our Quizzes! Let's chat: @nairihar

Thanks to the high frequency of updates (latest data received on 21 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.

31 136
Subscribers
-324 hours
-327 days
-11430 days
Posts Archive
🥶 TSDiagram: Diagrams as Code with TypeScript Draft diagrams quickly with TypeScript. Define your data models through top-le
🥶 TSDiagram: Diagrams as Code with TypeScript Draft diagrams quickly with TypeScript. Define your data models through top-level type aliases and interfaces and it automatically lays out the nodes in an efficient way. GitHub repo. Andrei Neculaesei

What is the output?
Anonymous voting

CHALLENGE
const arr = [1, 2, 3];
const obj = { valueOf: () => 4, toString: () => '5' };
const result1 = arr + obj;
const result2 = +obj;
const result3 = String(obj);
const result4 = obj == 4;
const result5 = obj === 4;
console.log(`${result1}|${result2}|${result3}|${result4}|${result5}`);
const weird = [] + [] + 'hello';
const weirder = [] + {} + [];
const weirdest = {} + [] + {};
console.log(`${weird}|${weirder}|${weirdest}`);
const final = !!'0' + !!'' + !!null + !!undefined;
console.log(final);

🗓 FullCalendar: A Full Sized JavaScript Calendar Control Get a Google Calendar-style experience in your own apps. Has connec
🗓 FullCalendar: A Full Sized JavaScript Calendar Control Get a Google Calendar-style experience in your own apps. Has connectors for React, Vue and Angular, but can be used with plain JavaScript too. The base version is MIT licensed, but there’s a commercial version too with extra features. Adam Shaw

What is the output?
Anonymous voting

CHALLENGE
class SimpleObservable {
  constructor(subscribeFn) {
    this.subscribeFn = subscribeFn;
  }
  
  subscribe(observer) {
    return this.subscribeFn(observer);
  }
}

const obs = new SimpleObservable(observer => {
  observer.next('first');
  observer.next('second');
  observer.complete();
});

const results = [];
obs.subscribe({
  next: val => results.push(val),
  complete: () => results.push('done')
});

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

👀 The Performance Inequality Gap in 2026 Esteemed browser and Web standards expert Alex Russell looks at the state of client
👀 The Performance Inequality Gap in 2026 Esteemed browser and Web standards expert Alex Russell looks at the state of client-side Web performance, what sort of bandwidth you should be taking into account, what devices people are using, and warns against ever-growing JavaScript bundle sizes. A lot of data here. Alex Russell

What is the output?
Anonymous voting

CHALLENGE
const original = {
  name: 'Sarah',
  hobbies: ['reading', 'coding'],
  address: { city: 'Portland', zip: 97201 }
};

const shallow = { ...original };
const deep = JSON.parse(JSON.stringify(original));

shallow.name = 'Emma';
shallow.hobbies.push('hiking');
shallow.address.city = 'Seattle';

deep.hobbies.push('swimming');
deep.address.zip = 98101;

console.log(original.hobbies.length, original.address.city);

✌️ Over 150 Algorithms and Data Structures Demonstrated in JS Examples of many common algorithms (e.g. bit manipulation, Pasc
✌️ Over 150 Algorithms and Data Structures Demonstrated in JS Examples of many common algorithms (e.g. bit manipulation, Pascal’s triangle, Hamming distance) and data structures (e.g. linked lists, tries, graphs) with explanations. Available in eighteen other written languages too. Oleksii Trekhleb et al.

What is the output?
Anonymous voting

CHALLENGE
const user = {
  profile: {
    settings: {
      theme: 'dark',
      notifications: null
    }
  }
};

const result1 = user?.profile?.settings?.theme;
const result2 = user?.profile?.settings?.notifications?.email;
const result3 = user?.profile?.preferences?.language ?? 'en';
const result4 = user?.profile?.settings?.notifications?.push?.('test');

console.log(result1, result2, result3, result4);

😆
😆

📸 Google Announces Angular v21 The Google team has gone all out with this significant release of its popular JavaScript fram
📸 Google Announces Angular v21 The Google team has gone all out with this significant release of its popular JavaScript framework. They’ve put together a retro game-themed adventure-based tour of what’s new, along with top notch videos showing off features like its new signal-based approach to forms, MCP server for AI-powered workflows, library of headless components focused on accessibility, and even a new ‘Angular AI Tutor’ to get up to speed. Google

🔒 OWASP (Open Worldwide Application Security Project) has released its list of the top ten web application security threats
🔒 OWASP (Open Worldwide Application Security Project) has released its list of the top ten web application security threats in 2025.

😮 vis-timeline 8.4 – Interactive control to visualize data across time, as shown above. Numerous examples here.
😮 vis-timeline 8.4Interactive control to visualize data across time, as shown above. Numerous examples here.

👀 imgui-react-runtime: React + Dear ImGui + Static Hermes When the author teased a demo of this on X a few weeks ago, I wasn
👀 imgui-react-runtime: React + Dear ImGui + Static Hermes When the author teased a demo of this on X a few weeks ago, I wasn’t sure if it would get released, but here it is. A new way to put together native apps using React and the popular lightweight GUI library Dear ImGui. Tzvetan Mikov

What is the output?
Anonymous voting

CHALLENGE
console.log(typeof myFunction);
console.log(typeof myVar);
console.log(typeof myLet);
console.log(typeof myConst);

var myVar = 'hello';
let myLet = 'world';
const myConst = 'test';

function myFunction() {
  return 'hoisted';
}

console.log(myFunction());
console.log(myVar);

😉 The State of Node.js in 2025, Explained A thirty-minute talk from JSNation earlier this year where TSC member Matteo Colli
😉 The State of Node.js in 2025, Explained A thirty-minute talk from JSNation earlier this year where TSC member Matteo Collina presented an update on Node’s still-growing popularity, release schedule, security, recent performance enhancements, the permissions system, and more. GitNation