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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

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📈 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 4 191 in the Technologies & Applications category and 12 832 in the India region.

📊 Audience metrics and dynamics

Since its creation on невідомо, the project has demonstrated rapid growth, gathering an audience of 31 124 subscribers.

According to the latest data from 23 September, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -115 over the last 30 days and by 9 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 6.08%. Within the first 24 hours after publication, content typically collects 2.12% reactions from the total number of subscribers.
  • Post reach: On average, each post receives 1 894 views. Within the first day, a publication typically gains 659 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 24 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
+924 hours
-267 days
-11530 days
Posts Archive
What is the output?
Anonymous voting

CHALLENGE
function trickyScope() {
    let x = 10;
    if (true) {
        let x = 20;
        console.log(x); // A
    }
    console.log(x); // B
    {
        let x = 30;
        console.log(x); // C
    }
    console.log(x); // D
}

trickyScope();

✌️ Do Lake Names Reflect Their Properties? I know this sounds like a geographical piece, but this developer’s curiosity led t
✌️ Do Lake Names Reflect Their Properties? I know this sounds like a geographical piece, but this developer’s curiosity led to a fun blend of JavaScript and the always useful Overpass Turbo mapping tool. Ivan Ludvig

What is the output?
Anonymous voting

CHALLENGE
function trickyFunction(num) {  
  let result = 0;  
  for (let i = 0; i < num; i++) {  
    result += i;  
    if (i % 2 === 0) {  
      result *= 2;  
    } else {  
      result -= 1;  
    }  
  }  
  return result;  
}  
console.log(trickyFunction(4));

What is the output?
Anonymous voting

CHALLENGE
function trickyScope() {
  var a = 10;
  let b = 20;
  const c = 30;

  if (true) {
    var a = 40;
    let b = 50;
    const c = 60;
    console.log(a, b, c);
  }

  console.log(a, b, c);
}

trickyScope();

What is the output?
Anonymous voting

CHALLENGE
function trickyScope() {
  var x = 10;
  if (true) {
    let x = 5;
    console.log(x);
  }
  console.log(x);
}

trickyScope();

👍 Heat.js: A Heat Map Visualization Library Think the GitHub contributions heat map. No dependencies, small, responsive, and
👍 Heat.js: A Heat Map Visualization Library Think the GitHub contributions heat map. No dependencies, small, responsive, and theme-able. There’s a live demo or its GitHub repo. William Troup

What is the output?
Anonymous voting

CHALLENGE
const sym1 = Symbol('description');
const sym2 = Symbol('description');

const obj = {
  [sym1]: 'value1',
  [sym2]: 'value2'
};

console.log(obj[sym1]);

What is the output?
Anonymous voting

CHALLENGE
const numbers = [1, 2, 3, 4, 5];

const result = numbers
  .filter(num => num % 2 === 0)
  .map(num => num * num)
  .reduce((acc, num) => acc + num, 0);

console.log(result);

About the post above ☝️ 😂
About the post above ☝️ 😂

photo content
+1

What is the output?
Anonymous voting

CHALLENGE
let person = {
  name: 'Alice',
  age: 30,
  valueOf: function() {
    return this.age;
  }
};

let result = person + 10;
console.log(result);