Available now! Telegram Research 2025 β 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 π Don't miss our Quizzes! Let's chat: @nairihar
Show moreπ Analytical overview of Telegram channel JavaScript
Channel JavaScript (@javascript) in the English language segment is an active participant. Currently, the community unites 31 391 subscribers, ranking 4 368 in the Technologies & Applications category and 13 234 in the India region.
π Audience metrics and dynamics
Since its creation on Π½Π΅Π²ΡΠ΄ΠΎΠΌΠΎ, the project has demonstrated rapid growth, gathering an audience of 31 391 subscribers.
According to the latest data from 22 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -197 over the last 30 days and by -29 over the last 24 hours, overall reach remains high.
- Verification status: Not verified
- Engagement rate (ER): The average audience engagement rate is 5.70%. Within the first 24 hours after publication, content typically collects 1.95% reactions from the total number of subscribers.
- Post reach: On average, each post receives 1 790 views. Within the first day, a publication typically gains 611 views.
- Reactions and interaction: The audience actively supports content: the average number of reactions per post is 6.
- Thematic interests: Content is focused on key topics such as javascript, console.log(gen.next().value, processdata, remix, acc.
π Description and content policy
The author describes the resource as a platform for expressing subjective opinions:
βA resourceful newsletter featuring the latest and most important news, articles, books and updates in the world of #javascript π Don't miss our Quizzes!
Let's chat: @nairiharβ
Thanks to the high frequency of updates (latest data received on 23 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 array = [1, 2, 3, 4, 5];
const result = array.map(num => Promise.resolve(num * 2));
console.log(result);
async function asyncSumOfSquares() {
const numbers = [1, 2, 3, 4, 5];
const result = await numbers.reduce(async (acc, num) => {
const currentSquare = await Promise.resolve(num * num);
return (await acc) + currentSquare;
}, Promise.resolve(0));
console.log(result);
}
asyncSumOfSquares();
const matrix = [
[1, 2, 3],
[4, 5, 6],
[7, 8, 9],
];
async function asyncSumOfEvenNumbers(matrix) {
const result = await matrix.flat().filter(async num => {
return await Promise.resolve(num % 2 === 0);
});
return result.reduce((acc, num) => acc + num, 0);
}
asyncSumOfEvenNumbers(matrix).then(result => console.log(result));
async function asyncArrayOperations() {
const array1 = [1, 2, 3];
const array2 = [4, 5, 6];
const result = await Promise.all([array1, array2].map(async arr => {
return await arr.reduce(async (acc, num) => {
return (await acc) + num;
}, Promise.resolve(0));
}));
console.log(result);
}
asyncArrayOperations();process.hrtime or `peformance.now`). You can then benchmark whatever functions you want, specify how long or how many times to benchmark for, and get a variety of stats in return.
TINYLIBS
const matrix = [
[2, 4],
[6, 8],
];
const result = matrix.reduceRight((acc, row) => acc.concat(row.map(num => num * 2)), []);
console.log(result);
function* fibonacci() {
let a = 0, b = 1;
while (true) {
yield a;
[a, b] = [b, a + b];
}
}
const fibSequence = Array.from({ length: 5 }, () => fibonacci().next().value);
console.log(fibSequence);