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 31 439 obunachidan iborat bo'lib, Texnologiyalar & Aralashmalar toifasida 4 384-o'rinni va Hindiston mintaqasida 13 551-o'rinni egallagan.
📊 Auditoriya ko‘rsatkichlari va dinamika
невідомо sanasidan buyon loyiha tez o‘sib, 31 439 obunachiga ega bo‘ldi.
13 Iyun, 2026 dagi oxirgi ma’lumotlarga ko‘ra kanal barqaror faollikka ega. Oxirgi 30 kunda obunachilar soni -193 ga, so‘nggi 24 soatda esa 21 ga o‘zgardi va umumiy qamrov yuqori darajada qolmoqda.
- Tasdiqlash holati: Tasdiqlanmagan
- Jalb etish (ER): Auditoriya o‘rtacha 6.27% 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 1 972 marta ko‘riladi; birinchi sutkada odatda 796 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 14 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.
31 439
Obunachilar
+2124 soatlar
-537 kunlar
-19330 kunlar
Postlar arxiv
31 431
CHALLENGE
function* fibonacci() {
let [a, b] = [0, 1];
while (true) {
yield a;
[a, b] = [b, a + b];
}
}
function* takeWhile(generator, predicate) {
for (const value of generator) {
if (!predicate(value)) break;
yield value;
}
}
const fib = fibonacci();
const smallFibs = takeWhile(fib, x => x < 20);
console.log([...smallFibs].join(','));31 431
CHALLENGE
let obj = { name: 'Sarah', age: 25 };
let weakMap = new WeakMap();
let map = new Map();
weakMap.set(obj, 'weak reference');
map.set(obj, 'strong reference');
console.log(weakMap.has(obj));
console.log(map.has(obj));
obj = null;
console.log(weakMap.has(null));
console.log(map.has(null));
console.log(map.size);31 431
CHALLENGE
const nums = [1, 2, 3];
const obj = { a: 1, b: 2, c: 3 };
function process(...args) {
const [first, ...rest] = args;
const { a, ...others } = obj;
return { first, rest, a, others };
}
const result = process(...nums);
console.log(result.first);
console.log(result.rest.length);
console.log(result.others.b);
console.log(Object.keys(result.others).join(''));
console.log(result.a === nums[0]);31 431
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@devhelperai_bot
31 431
CHALLENGE
console.log('1');
setTimeout(() => console.log('2'), 0);
Promise.resolve().then(() => console.log('3'));
setTimeout(() => console.log('4'), 0);
Promise.resolve().then(() => {
console.log('5');
return Promise.resolve();
}).then(() => console.log('6'));
console.log('7');31 431
Prototype pollution 🥃
Exposing the default prototype by calling unsafe recursive functions with untrusted data as input
Read ~20mins estimated
learn.snyk.io
31 431
CHALLENGE
class StateMachine {
constructor() {
this.state = 'idle';
this.transitions = {
idle: { start: 'running' },
running: { pause: 'paused', stop: 'stopped' },
paused: { resume: 'running', stop: 'stopped' },
stopped: { reset: 'idle' }
};
}
transition(action) {
const next = this.transitions[this.state]?.[action];
if (next) this.state = next;
return this.state;
}
}
const sm = new StateMachine();
console.log(sm.transition('start'));
console.log(sm.transition('invalid'));
console.log(sm.transition('pause'));
console.log(sm.transition('resume'));
console.log(sm.transition('stop'));
console.log(sm.transition('reset'));
31 431
CHALLENGE
const values = [null, undefined, '', 0, false, NaN];
const results = [];
for (let val of values) {
results.push({
value: val,
boolean: !!val,
string: String(val),
number: Number(val)
});
}
console.log(results[2].boolean);
console.log(results[3].string);
console.log(results[1].number);31 431
Interesting idea 🤔
I always thought that front-end development is much harder then backend, but I was having trouble to explain that idea to developers. Today I wanted to check the opinion of the LLM, so called the general expert's opinion.
Agreed that front-end is harder for humans, because backend scales mathematically, rule based, and it's not that hard to understand. It's just math...
Then I asked, to find a similar analogy for front-end. It nailed. BIOLOGY!
____
Backend scaling: like mathematics: you add more nodes, shard databases, optimize queries - the system grows by formulas and predictable rules.
Frontend change: like biology: small mutations (new device, new browser feature, new UX demand) create emergent, often chaotic behavior that must be adapted to case by case.
____
Biology is more difficult then mathematics — mathematics is rule-bound and deterministic, while biology is emergent, full of exceptions, context-dependent, and constantly changing.
That’s why front-end (biology-like) feels messier and harder for humans, even if backend (math-like) can be more abstractly deep.
Edgar Marukyan
31 431
CHALLENGE
const sym1 = Symbol('test');
const sym2 = Symbol('test');
const obj = {
[sym1]: 'first',
[sym2]: 'second',
regular: 'third'
};
const keys = Object.keys(obj);
const symbols = Object.getOwnPropertySymbols(obj);
const allProps = Reflect.ownKeys(obj);
console.log(keys.length);
console.log(symbols.length);
console.log(allProps.length);
console.log(sym1 === sym2);31 431
CHALLENGE
const data = {
name: '',
age: 0,
city: null,
country: undefined,
isActive: false
};
const getName = () => data.name || 'Unknown';
const getAge = () => data.age ?? 25;
const getCity = () => data.city || 'Default City';
const getCountry = () => data.country ?? 'Default Country';
const getStatus = () => data.isActive || 'inactive';
console.log(`${getName()}-${getAge()}-${getCity()}-${getCountry()}-${getStatus()}`);31 431
🚬 Apache ECharts 6.0: The Powerful Data Visualization Library
12 years on from its first release, ECharts takes another big step forward. Visualization types span from line, bar and pie charts to 3D graphs, calendars and Sankey diagrams. v6 brings an all-new design language, dynamic theme switching, dark mode support, even more chart types, and more. Be sure to enjoy the 100+ demos and the GitHub repo.
Apache Software Foundation
