Endi mavjud! Telegram Tadqiqoti 2025 — yilning asosiy insaytlari 
JavaScript
Kanalga Telegram’da o‘tish
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📈 Telegram kanali JavaScript analitikasi
JavaScript (@javascript) Ingliz til segmentidagi kanali faol ishtirokchi. Hozirda hamjamiyat 31 450 obunachidan iborat bo'lib, Texnologiyalar & Aralashmalar toifasida 4 377-o'rinni va Hindiston mintaqasida 13 573-o'rinni egallagan.
📊 Auditoriya ko‘rsatkichlari va dinamika
невідомо sanasidan buyon loyiha tez o‘sib, 31 450 obunachiga ega bo‘ldi.
11 Iyun, 2026 dagi oxirgi ma’lumotlarga ko‘ra kanal barqaror faollikka ega. Oxirgi 30 kunda obunachilar soni -198 ga, so‘nggi 24 soatda esa 17 ga o‘zgardi va umumiy qamrov yuqori darajada qolmoqda.
- Tasdiqlash holati: Tasdiqlanmagan
- Jalb etish (ER): Auditoriya o‘rtacha 6.20% 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 1 949 marta ko‘riladi; birinchi sutkada odatda 797 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 12 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.
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| Sana | Obunachilarni jalb qilish | Esdaliklar | Kanallar | |
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Kanal postlari
😮 Geometric.js: A Library for Doing Geometry
Created by someone who works on graphics for the NYT, this elegant library lets you work with polygons, bounding boxes, reflection, interpolation, rotation, and the like (examples). Does one polygon intersect with another? There’s a function for that.
Harry Stevens (The New York Times)
| 2 | What is the output? | 833 |
| 3 | CHALLENGE
const handler = {
get(target, prop, receiver) {
if (prop in target) {
return Reflect.get(target, prop, receiver) * 2;
}
return `missing:${prop}`;
},
set(target, prop, value) {
if (typeof value !== "number") {
throw new TypeError("Only numbers allowed");
}
Reflect.set(target, prop, value + 10);
return true;
},
has(target, prop) {
return prop.startsWith("x") ? false : prop in target;
},
};
const store = new Proxy({ xray: 5, zoom: 8 }, handler);
store.nova = 3;
console.log(store.xray);
console.log(store.nova);
console.log(store.ghost);
console.log("zoom" in store);
console.log("xray" in store); | 800 |
| 4 |  👀 VoidZero is Joining Cloudflare
One of the year’s big moves in JS tooling, as told by Evan himself. The company he founded to build Vite, Vitest, Rolldown, Oxc, etc. is joining Cloudflare. He’s candid about why (monetization is hard). Good news: all projects stay MIT-licensed, and Evan and co remain in charge.
Evan You | 989 |
| 5 | What is the output? | 1 081 |
| 6 | CHALLENGE
class Registry {
static #instances = new Map();
static #count = 0;
static defaultTTL;
static maxSize;
static {
Registry.defaultTTL = 3600;
Registry.maxSize = 100;
Registry.#instances.set("__init__", { ts: 0 });
Registry.#count = Registry.#instances.size;
}
static register(key) {
if (Registry.#count >= Registry.maxSize) return false;
Registry.#instances.set(key, { ts: Registry.defaultTTL });
Registry.#count++;
return true;
}
static info() {
return `count=${Registry.#count}, ttl=${Registry.defaultTTL}, max=${Registry.maxSize}`;
}
}
Registry.register("service-a");
Registry.register("service-b");
console.log(Registry.info()); | 1 023 |
| 7 | What is the output? | 1 175 |
| 8 | CHALLENGE
const memoize = (fn) => {
const cache = new Map();
return (...args) => {
const key = JSON.stringify(args);
if (cache.has(key)) {
return cache.get(key);
}
const result = fn(...args);
cache.set(key, result);
return result;
};
};
let callCount = 0;
const expensiveMultiply = memoize((a, b) => {
callCount++;
return a * b;
});
console.log(expensiveMultiply(4, 5));
console.log(expensiveMultiply(4, 5));
console.log(expensiveMultiply(3, 7));
console.log(expensiveMultiply(4, 5));
console.log(`calls: ${callCount}`); | 1 142 |
| 9 |  🌪 GitHub Copilot SDK Now Generally Available
Available for several platforms, including Node, this SDK lets you wield the agentic engine behind Copilot in your own apps (coupled with your own custom-built tools) and it uses an existing Copilot subscription. The getting started tutorial provides a good intro and the cookbook includes some sample apps.
GitHub | 1 187 |
| 10 | What is the output? | 1 328 |
| 11 | CHALLENGE
class Pipeline {
#value;
#log = [];
constructor(value) {
this.#value = value;
}
map(fn) {
this.#value = fn(this.#value);
this.#log.push(`map:${this.#value}`);
return this;
}
filter(fn) {
if (Array.isArray(this.#value)) {
this.#value = this.#value.filter(fn);
this.#log.push(`filter:${this.#value}`);
}
return this;
}
reduce(fn, init) {
this.#value = this.#value.reduce(fn, init);
this.#log.push(`reduce:${this.#value}`);
return this;
}
result() {
console.log(this.#log.join(' | '));
return this.#value;
}
}
const output = new Pipeline([1, 2, 3, 4, 5, 6])
.filter(x => x % 2 === 0)
.map(arr => arr.map(x => x ** 2))
.reduce((acc, x) => acc + x, 0)
.result();
console.log(output); | 1 238 |
| 12 |  😮 replacements.fyi: Find Replacements for npm Packages
Type in a package name and get suggestions of lighter alternatives or Node APIs and code snippets that do the same task. For example: is-number leads to a one-liner, axios turns into fetch, and chalk recommends util.styleText. A neat idea it’d be cool to see grow further.
e18e | 1 266 |
| 13 | What is the output? | 1 418 |
| 14 | CHALLENGE
const transactions = [
{ type: "credit", amount: 200, category: "salary" },
{ type: "debit", amount: 50, category: "food" },
{ type: "debit", amount: 30, category: "food" },
{ type: "credit", amount: 100, category: "bonus" },
{ type: "debit", amount: 70, category: "transport" },
];
const summary = transactions.reduce((acc, { type, amount, category }) => {
acc.balance += type === "credit" ? amount : -amount;
acc.byCategory[category] = (acc.byCategory[category] ?? 0) + amount;
acc.count[type] = (acc.count[type] ?? 0) + 1;
return acc;
}, { balance: 0, byCategory: {}, count: {} });
console.log(summary.balance);
console.log(JSON.stringify(summary.byCategory));
console.log(JSON.stringify(summary.count)); | 1 247 |
| 15 | What is the output? | 1 559 |
| 16 | CHALLENGE
const person = {
name: "Marcus",
greet: function () {
const inner = () => `Hello, I am ${this.name}`;
return inner();
},
greetArrow: () => {
return `Hello, I am ${this.name}`;
},
};
const detached = person.greet;
console.log(person.greet());
console.log(person.greetArrow());
console.log(detached?.()); | 1 543 |
| 17 |  Programming language legend 😉 Anders Hejlsberg was on The Pragmatic Engineer talking about his background, work on TypeScript, JavaScript's strengths and weaknesses, and how he uses AI. | 1 546 |
| 18 | What is the output? | 1 747 |
| 19 | CHALLENGE
function Animal(name) {
this.name = name;
}
Animal.prototype.speak = function () {
return `${this.name} makes a sound.`;
};
function Dog(name, breed) {
Animal.call(this, name);
this.breed = breed;
}
Dog.prototype = Object.create(Animal.prototype);
Dog.prototype.constructor = Dog;
Dog.prototype.speak = function () {
return `${this.name} barks!`;
};
const dog = new Dog("Rex", "Labrador");
console.log(dog.speak());
console.log(dog instanceof Dog);
console.log(dog instanceof Animal);
console.log(Object.getPrototypeOf(dog) === Animal.prototype); | 1 667 |
| 20 |  📊 Plotly 3.6: The Declarative Graphing Library
A long-standing library, also widely used in the Python and R ecosystems, that offers over 50 visualization types, from basic charts and graphs to maps, plots, and heatmaps.
Plotly, Inc. | 1 558 |
