Available now! Telegram Research 2025 — the year's key insights 
JavaScript
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 31 439 subscribers, ranking 4 384 in the Technologies & Applications category and 13 551 in the India region.
📊 Audience metrics and dynamics
Since its creation on невідомо, the project has demonstrated rapid growth, gathering an audience of 31 439 subscribers.
According to the latest data from 13 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -193 over the last 30 days and by 21 over the last 24 hours, overall reach remains high.
- Verification status: Not verified
- Engagement rate (ER): The average audience engagement rate is 6.27%. 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 1 972 views. Within the first day, a publication typically gains 796 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.
📝 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 14 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.
const numbers = [1, 2, 3, 4, 5];
const result = numbers
.map(x => x * 2)
.filter(x => x > 5)
.reduce((acc, x) => {
acc.push(x.toString());
return acc;
}, [])
.map(x => x + '!')
.join(' | ');
console.log(result);
console.log(typeof result);
import defer, --module node20, and ‘expandable hovers’ (below) to see expanded type information in IDEs. We also learn v6.0 will act as a ‘transition point’ to get prepared for the Go-powered ‘native port’ of TypeScript due to arrive as TypeScript 7.0.
Microsoftconst target = { name: 'Maya', age: 25 };
const handler = {
get(obj, prop) {
if (prop in obj) {
return obj[prop];
}
return `Property '${prop}' not found`;
},
set(obj, prop, value) {
if (typeof value === 'string') {
obj[prop] = value.toUpperCase();
} else {
obj[prop] = value;
}
return true;
}
};
const proxy = new Proxy(target, handler);
proxy.city = 'tokyo';
console.log(proxy.name);
console.log(proxy.city);
console.log(proxy.country);
const obj = {
name: 'Sarah',
getName() {
return this.name;
},
getNameArrow: () => {
return this.name;
}
};
const getName = obj.getName;
const getNameArrow = obj.getNameArrow;
console.log(obj.getName());
console.log(getName());
console.log(getNameArrow());
console.log(obj.getNameArrow());
function processData(data) {
try {
if (!data) {
throw new TypeError('Data is missing');
}
const result = data.process();
return result;
} catch (error) {
console.log(error instanceof ReferenceError ? 1 :
error instanceof TypeError ? 2 :
error instanceof SyntaxError ? 3 : 4);
}
}
processData(null);[6, 8, 10], and summing them gives 6 + 8 + 10 = 24.const numbers = [1, 2, 3, 4, 5];
const result = numbers
.map(n => n * 2)
.filter(n => n > 5)
.reduce((acc, n, index) => {
acc.sum += n;
acc.indices.push(index);
return acc;
}, { sum: 0, indices: [] });
console.log(result.sum);
console.log(result.indices);
class Counter {
constructor(max) {
this.max = max;
}
*[Symbol.iterator]() {
let current = 0;
while (current < this.max) {
yield current++;
}
}
}
const counter = new Counter(3);
const result = [...counter, ...counter];
console.log(result);