JavaScript

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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

Ko'proq ko'rsatish

Hindiston13 579 Texnologiyalar & Aralashmalar4 382...

📈 Telegram kanali JavaScript analitikasi

JavaScript (@javascript) Ingliz til segmentidagi kanali faol ishtirokchi. Hozirda hamjamiyat 31 443 obunachidan iborat bo'lib, Texnologiyalar & Aralashmalar toifasida 4 382-o'rinni va Hindiston mintaqasida 13 579-o'rinni egallagan.

📊 Auditoriya ko‘rsatkichlari va dinamika

невідомо sanasidan buyon loyiha tez o‘sib, 31 443 obunachiga ega bo‘ldi.

12 Iyun, 2026 dagi oxirgi ma’lumotlarga ko‘ra kanal barqaror faollikka ega. Oxirgi 30 kunda obunachilar soni -211 ga, so‘nggi 24 soatda esa -26 ga o‘zgardi va umumiy qamrov yuqori darajada qolmoqda.

Tasdiqlash holati: Tasdiqlanmagan
Jalb etish (ER): Auditoriya o‘rtacha 6.22% darajada jalb etiladi. Nashrdan keyingi dastlabki 24 soatda kontent odatda umumiy obunachilar sonining 2.53% ini tashkil etuvchi reaksiyalarni to‘playdi.
Post qamrovi: Har bir post o‘rtacha 1 955 marta ko‘riladi; birinchi sutkada odatda 794 ta ko‘rish yig‘iladi.
Reaksiyalar va o‘zaro ta’sir: Auditoriya faol: har bir postga o‘rtacha 7 ta reaksiya keladi.
Tematik yo‘nalishlar: Kontent javascript, console.log(gen.next().value, processdata, remix, acc kabi asosiy mavzularga jamlangan.

📝 Tavsif va kontent siyosati

Muallif resursni shaxsiy fikrni ifoda etish maydoni sifatida ta’riflaydi:
“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”

Yuqori yangilanish chastotasi (oxirgi ma’lumot 13 Iyun, 2026 da olingan) sababli kanal doimo dolzarb va katta qamrovli bo‘lib qoladi. Analitika auditoriya kontent bilan faol hamkorlik qilishini, uni Texnologiyalar & Aralashmalar toifasidagi muhim ta’sir nuqtasiga aylantirishini ko‘rsatadi.

31 443

Obunachilar

-2624 soatlar

-807 kunlar

-21130 kunlar

1 955

Post ko'rishlar

~ 79424 soatlar

~ 1 04248 soatlar

6.22%

Muloqot nisbati

~ 2

Kuniga postlar

Ads index

beta

Postlar arxiv

31 443

CHALLENGE

const user = { name: 'Sarah', age: 28 };
const greeting = 'Hello';
const template = `${greeting}, ${user.name}! You are ${user.age} years old.`;

function createMessage(strings, ...values) {
  return strings.reduce((result, string, i) => {
    return result + string + (values[i] ? `[${values[i]}]` : '');
  }, '');
}

const tagged = createMessage`Welcome ${user.name}, age: ${user.age}!`;
console.log(template);
console.log(tagged);

31 443

🇯🇵 Fancy writing JavaScript in Japanese (above)? Say こんにちは to KokoScript.

31 443

What is the output?

Anonymous voting

31 443

CHALLENGE

const data = '{"name":"Sarah","age":25,"skills":["JavaScript","Python"]}'
const parsed = JSON.parse(data)
const stringified = JSON.stringify(parsed, null, 0)
const reparsed = JSON.parse(stringified)

try {
  const invalid = '{name:"John","incomplete":}'
  JSON.parse(invalid)
} catch (e) {
  console.log(e.name)
}

console.log(typeof parsed.age)
console.log(reparsed.skills.length)
console.log(JSON.stringify({a: undefined, b: null, c: 0}))

31 443

😮 Render.js: A Raytracing Renderer with RenderMan Format Support Created at Pixar in the 80s, the RenderMan Interface Specification was an early API for building 3D scenes. Anders has been building a Node-based, 90s-style renderer for the format “as a stroll down amnesia lane” in pure JavaScript. Anders Brownworth

31 443

👀 Umami 3.0: A Self-Hosted, Privacy-Focused Google Analytics Alternative Think something like Plausible or Google Analytics, but built in Node and ready for you to host yourself. Here’s the full feature list. MIT licensed but also available as a paid hosted service. Umami Software, Inc.

31 443

What is the output?

Anonymous voting

31 443

CHALLENGE

const obj = { count: 0 };
const arr = [obj, obj, obj];

function increment(item) {
  item.count++;
  return item;
}

const results = arr.map(increment);
console.log(obj.count);
console.log(results[0] === results[1]);
console.log(results.length);
console.log(arr[0].count);

31 443

🤟 Node.js Security Best Practices Did you know the Node.js project maintains a page about security best practices organized around how to mitigate ten of the most significant vectors? Topics include networking weaknesses, timing attacks, supply chain attacks, and the monkey patching of intrinsics. Node Documentation

31 443

What is the output?

Anonymous voting

31 443

CHALLENGE

class EventEmitter {
  constructor() {
    this.events = {};
  }
  
  on(event, callback) {
    this.events[event] = this.events[event] || [];
    this.events[event].push(callback);
    return this;
  }
  
  emit(event, data) {
    if (this.events[event]) {
      this.events[event].forEach(cb => cb(data));
    }
    return this;
  }
}

class Logger {
  log(msg) { console.log(`[LOG]: ${msg}`); }
}

class DataProcessor {
  constructor(emitter, logger) {
    this.emitter = emitter;
    this.logger = logger;
    this.emitter.on('process', (data) => {
      this.logger.log(data.toUpperCase());
    });
  }
  
  process(data) {
    this.emitter.emit('process', data);
  }
}

const emitter = new EventEmitter();
const logger = new Logger();
const processor = new DataProcessor(emitter, logger);

processor.process('hello world');
emitter.emit('process', 'composition rocks');

31 443

What is the output?

Anonymous voting

31 443

CHALLENGE

class CustomError extends Error {
  constructor(message) {
    super(message);
    this.name = 'CustomError';
  }
}

try {
  throw new CustomError('Something went wrong');
} catch (e) {
  console.log(e instanceof Error);
  console.log(e instanceof CustomError);
  console.log(e.constructor.name);
  console.log(e.name);
}

31 443

What is the output?

Anonymous voting

31 443

CHALLENGE

const wm = new WeakMap();
const obj1 = { name: 'first' };
const obj2 = { name: 'second' };
const obj3 = obj1;

wm.set(obj1, 'value1');
wm.set(obj2, 'value2');
wm.set(obj3, 'value3');

console.log(wm.get(obj1));
console.log(wm.get(obj2));
console.log(wm.get(obj3));
console.log(wm.has(obj1));
console.log(wm.size);

31 443

What is the output?

Anonymous voting

31 443

CHALLENGE

function createCounter() {
  let count = 0;
  return {
    increment: () => ++count,
    decrement: () => --count,
    getValue: () => count
  };
}

const counter1 = createCounter();
const counter2 = createCounter();
counter1.increment();
counter1.increment();
counter2.increment();
console.log(counter1.getValue(), counter2.getValue());
counter1.decrement();
console.log(counter1.getValue(), counter2.getValue());

31 443

What is the output?

Anonymous voting

31 443

CHALLENGE

const moduleMap = new Map();

async function loadModule(name) {
  if (moduleMap.has(name)) {
    return moduleMap.get(name);
  }
  
  const module = await Promise.resolve({
    default: () => `Module ${name} loaded`,
    version: '1.0.0'
  });
  
  moduleMap.set(name, module);
  return module;
}

loadModule('auth').then(m => console.log(m.default()));
loadModule('auth').then(m => console.log(m.version));
loadModule('db').then(m => console.log(m.default()));

31 443

What is the output?

Anonymous voting