JavaScript
前往频道在 Telegram
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
显示更多📈 Telegram 频道 JavaScript 的分析概览
频道 JavaScript (@javascript) 英语 语言赛道中的 是活跃参与者。目前社区聚集了 31 136 名订阅者，在 技术与应用 类别中位列第 4 163，并在 印度 地区排名第 12 809 位。
📊 受众指标与增长动态
自 невідомо 创建以来，项目保持高速增长，吸引了 31 136 名订阅者。
根据 20 九月, 2026 的最新数据，频道保持稳定运转。过去 30 天订阅人数变化为 -114，过去 24 小时变化为 -3，整体触达仍然可观。
- 认证状态： 未认证
- 互动率 (ER)： 平均受众互动率为 6.21%。内容发布后 24 小时内通常能获得 2.30% 的反应，占订阅者总量。
- 帖子覆盖： 每篇帖子平均可获得 1 933 次浏览，首日通常累积 715 次浏览。
- 互动与反馈： 受众积极参与，单帖平均反应数为 4。
- 主题关注点： 内容集中在 javascript, console.log(gen.next().value, processdata, remix, acc 等核心主题上。
📝 描述与内容策略
作者将该频道定位为表达主观观点的平台：
“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”
凭借高频更新（最新数据采集于 21 九月, 2026），频道始终保持新鲜度与高覆盖。分析显示受众积极互动，使其成为 技术与应用 类别中的关键影响点。
31 136
订阅者
-324 小时
-327 天
-11430 天
帖子存档
31 138
CHALLENGE
class Observable {
constructor(subscribe) {
this.subscribe = subscribe;
}
map(fn) {
return new Observable(observer => {
return this.subscribe({
next: value => observer.next(fn(value)),
error: err => observer.error(err),
complete: () => observer.complete()
});
});
}
}
const source = new Observable(observer => {
observer.next(1);
observer.next(2);
observer.complete();
});
const doubled = source.map(x => x * 2);
doubled.subscribe({
next: value => console.log(value),
complete: () => console.log('done')
});31 138
CHALLENGE
const obj = {
name: 'Sarah',
greet: () => {
console.log(`Hello, ${this.name}`);
},
sayHi: function() {
const inner = () => {
console.log(`Hi, ${this.name}`);
};
inner();
}
};
obj.greet();
obj.sayHi();
31 138
CHALLENGE
const ws = new WeakSet();
const obj1 = { name: 'first' };
const obj2 = { name: 'second' };
const obj3 = obj1;
ws.add(obj1);
ws.add(obj2);
ws.add(obj3);
console.log(ws.has(obj1));
console.log(ws.has(obj3));
console.log(ws.has({ name: 'first' }));
console.log(ws.size);31 138
😮 New Era for React = Stronger JavaScript Ecosystem 💙
We're thrilled that React is coming under the The Linux Foundation to create the React Foundation.
React doesn’t live in isolation - It works alongside Node.js, Electron, Webpack, and more. A dedicated foundation means more collaboration, security, and sustainability across the ecosystem.
OpenJS Foundation
31 138
CHALLENGE
function mystery(arr, depth = 0) {
if (arr.length <= 1) return arr;
const mid = Math.floor(arr.length / 2);
const left = mystery(arr.slice(0, mid), depth + 1);
const right = mystery(arr.slice(mid), depth + 1);
const result = [];
let i = 0, j = 0;
while (i < left.length && j < right.length) {
result.push(left[i] <= right[j] ? left[i++] : right[j++]);
}
return result.concat(left.slice(i)).concat(right.slice(j));
}
const arr = [3, 1, 4, 1, 5];
console.log(mystery(arr));31 138
🤟 15 Recent Node Features That Can Replace Popular npm Packages
Many features that once required third-party packages are now built into the runtime itself. Here’s a look at some of the most notable that you may want to experiment with, prior to reducing unnecessary dependencies.
Lizz Parody
31 138
CHALLENGE
const multiply = (a) => (b) => (c) => a * b * c;
const step1 = multiply(2);
const step2 = step1(3);
const result1 = step2(4);
const partialMult = multiply(5)(6);
const result2 = partialMult(7);
const directResult = multiply(1)(8)(9);
console.log(result1);
console.log(result2);
console.log(directResult);
console.log(typeof step1);
console.log(typeof partialMult);31 138
💻 How Deno Protects Against npm Exploits
The maintainers of the Deno runtime reflect on the recent npm ecosystem security issues and show off how Deno’s non-permissive explicit ‘secure by default’ model can help.
Andy Jiang
31 138
CHALLENGE
const arr = [1, 2, 3, 4, 5];
const obj = { a: 1, b: 2, c: 3 };
const result1 = Object.keys(obj).length;
const result2 = arr.length;
delete obj.b;
obj.d = 4;
const result3 = Object.keys(obj).length;
const result4 = arr.push(6);
arr.length = 3;
const result5 = arr.length;
const result6 = Object.keys(obj).join('');
console.log(result1, result2, result3, result4, result5, result6);31 138
CHALLENGE
function createCounter() {
let count = 0;
return function(increment = 1) {
count += increment;
return count;
};
}
const counter1 = createCounter();
const counter2 = createCounter();
console.log(counter1());
console.log(counter1(5));
console.log(counter2(3));
console.log(counter1());
console.log(counter2());31 138
CHALLENGE
const Flyable = {
fly() { return 'flying'; }
};
const Swimmable = {
swim() { return 'swimming'; }
};
function mixin(Base, ...mixins) {
mixins.forEach(mixin => Object.assign(Base.prototype, mixin));
return Base;
}
class Bird {}
class Fish {}
const FlyingFish = mixin(class extends Fish {}, Flyable, Swimmable);
const instance = new FlyingFish();
console.log(instance.swim());
console.log(instance.fly());
console.log(instance instanceof Fish);