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A resourceful newsletter featuring the latest and most important news, articles, books and updates in the world of #javascript ๐Ÿš€ Don't miss our Quizzes! Let's chat: @nairihar

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๐Ÿ“ˆ Analytical overview of Telegram channel JavaScript

Channel JavaScript (@javascript) in the English language segment is an active participant. Currently, the community unites 31 441 subscribers, ranking 4 382 in the Technologies & Applications category and 13 579 in the India region.

๐Ÿ“Š Audience metrics and dynamics

Since its creation on ะฝะตะฒั–ะดะพะผะพ, the project has demonstrated rapid growth, gathering an audience of 31 441 subscribers.

According to the latest data from 12 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -211 over the last 30 days and by -26 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 6.22%. Within the first 24 hours after publication, content typically collects 2.53% reactions from the total number of subscribers.
  • Post reach: On average, each post receives 1 955 views. Within the first day, a publication typically gains 794 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.

๐Ÿ“ Description and content policy

The author describes the resource as a platform for expressing subjective opinions:
โ€œA resourceful newsletter featuring the latest and most important news, articles, books and updates in the world of #javascript ๐Ÿš€ Don't miss our Quizzes! Let's chat: @nairiharโ€

Thanks to the high frequency of updates (latest data received on 13 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.

31 441
Subscribers
-2624 hours
-807 days
-21130 days
Posts Archive
What is the output?
Anonymous voting

CHALLENGE
async function processData() {
  const promise1 = Promise.resolve('first');
  const promise2 = Promise.reject('error');
  const promise3 = Promise.resolve('third');
  
  try {
    const result = await Promise.allSettled([promise1, promise2, promise3]);
    console.log(result[0].status);
    console.log(result[1].reason);
    console.log(result[2].value);
  } catch (error) {
    console.log('caught:', error);
  }
}

processData();

What is the output?
Anonymous voting

CHALLENGE
const data = [
  { type: 'income', amount: 1000, category: 'salary' },
  { type: 'expense', amount: 200, category: 'food' },
  { type: 'income', amount: 500, category: 'freelance' },
  { type: 'expense', amount: 150, category: 'transport' }
];

const result = data.reduce((acc, item) => {
  const key = item.type;
  acc[key] = (acc[key] || 0) + item.amount;
  return acc;
}, {});

console.log(result.income - result.expense);

๐Ÿ‘€ For years, Mozilla, Apple, and the CSS Working Group have been working to bring "masonry" layouts (as above) natively to C
๐Ÿ‘€ For years, Mozilla, Apple, and the CSS Working Group have been working to bring "masonry" layouts (as above) natively to CSS. The concept is now called CSS Grid Lanes and here's how it works. You can already try it out in Safari Technology Preview 234.

What is the output?
Anonymous voting

CHALLENGE
console.log(typeof myVar);
console.log(typeof myFunc);
console.log(typeof myArrow);

var myVar = 'initialized';

function myFunc() {
  return 'function declaration';
}

var myArrow = () => 'arrow function';

console.log(typeof myVar);
console.log(typeof myFunc);
console.log(typeof myArrow);

โœŒ๏ธ๐ŸŒฒ๐Ÿ“ธ๐ŸŸ ๐Ÿ”ต Schedule-X 3.6: A Material Design Calendar and Date Picker Available in the form of React/Preact, Vue, Svelte, Ang
โœŒ๏ธ๐ŸŒฒ๐Ÿ“ธ๐ŸŸ ๐Ÿ”ต Schedule-X 3.6: A Material Design Calendar and Date Picker Available in the form of React/Preact, Vue, Svelte, Angular, or plain JS components. Open source but with a premium version with extra features. GitHub repo. Tom ร–sterlund

What is the output?
Anonymous voting

CHALLENGE
const config = { api: 'v1', timeout: 5000 };
Object.seal(config);

const settings = { theme: 'dark', lang: 'en' };
Object.freeze(settings);

config.api = 'v2';
config.retries = 3;
settings.theme = 'light';
settings.debug = true;

console.log(config.api);
console.log(config.retries);
console.log(settings.theme);
console.log(settings.debug);

๐Ÿ˜ฎ The 2025 JavaScript Rising Stars At the start of each year, Michael rounds up the projects in the JavaScript ecosystem tha
๐Ÿ˜ฎ The 2025 JavaScript Rising Stars At the start of each year, Michael rounds up the projects in the JavaScript ecosystem that gained the most popularity on GitHub in the prior year. After a two-year run of topping the chart, shadcn/ui has been pushed down to #3 by n8n and React Bits. This is a fantastic roundup, now in its tenth(!) year, and features commentary from a few industry experts too. Michael Rambeau et al.

What is the output?
Anonymous voting

CHALLENGE
const obj = { a: 1, b: 2, c: 3 };
const entries = Object.entries(obj);
const keys = Object.keys(obj);
const values = Object.values(obj);

const result = {
  entriesLength: entries.length,
  keysJoined: keys.join('-'),
  valuesSum: values.reduce((sum, val) => sum + val, 0),
  firstEntry: entries[0]
};

console.log(result.entriesLength);
console.log(result.keysJoined);
console.log(result.valuesSum);
console.log(result.firstEntry);

What is the output?
Anonymous voting

CHALLENGE
function* outer() {
  yield 1;
  yield* inner();
  yield 4;
}

function* inner() {
  yield 2;
  yield 3;
}

const gen = outer();
console.log(gen.next().value);
console.log(gen.next().value);
console.log(gen.next().value);
console.log(gen.next().value);

What is the output?
Anonymous voting

CHALLENGE
const user = {
  name: 'Sarah',
  age: 28,
  getName() {
    return this.name;
  }
};

const { getName } = user;
const boundGetName = user.getName.bind(user);

console.log(getName());
console.log(boundGetName());
console.log(user.getName());

What is the output?
Anonymous voting

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

const gen = fibonacci();
const results = [];
for (let i = 0; i < 6; i++) {
  results.push(gen.next().value);
}
console.log(results.join(','));

What is the output?
Anonymous voting