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CHALLENGE ❓

const array = [1, 2, 3, 4];
const result = array.reduceRight((acc, val) => acc - val);

console.log(result);

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✌️ JavaScript weekly #698

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CHALLENGE ❓

function test() {
  console.log(arguments.length);
}

test(1, 2, 3);
test.call(null, 1, 2, 3);

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🌲 Graceful Shutdown in NodeJS

In this article, I will show you how to do a graceful shutdown in a NodeJS application, but first, let's describe what "graceful shutdown" means and why we need to do that in our application and what are the benefits.

nairihar

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CHALLENGE ❓

const obj = { a: 1, b: 2 };
const descriptor = Object.getOwnPropertyDescriptor(obj, 'a');

descriptor.value = 3;
Object.defineProperty(obj, 'a', descriptor);

console.log(obj.a);

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The newer CSS viewport units (svh, lvh, dvh) are one of my favourite features in modern CSS 🔥

→ The "smallest viewport height" (svh) will always fit the smallest amount of space (all content will always be visible)

→ The "largest viewport height" (lvh) will always take up the largest amount of space (potentially hiding some content underneath UI)

→ The "dynamic viewport height" (dvh) will resize to fit the currently available space (adapting as the browser UI gets visible or hidden)

Mads Brodt

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CHALLENGE ❓

const array = [1, 2, 3];
const result = array.map(function(n) {
  return this ? n : 0;
}, false);

console.log(result);

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👀 Ky: Tiny, Elegant Fetch-Based HTTP Client for Browsers

Makes the Fetch API tidier to use as shown here. If you want to tighten up your fetch calls, it's worth a look.

Sindre Sorhus

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CHALLENGE ❓

function* generator() {
  yield* [1, 2];
  yield* (function* () { yield 3; yield 4; })();
}

const gen = generator();

console.log([...gen]);

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😉 Don't Use JS for That: Moving Features to CSS and HTML by Kilian Valkhof

Packed with code and examples. Some techniques aren’t universally supported yet, but there’s a lot that the browser can offer that you don’t need to reimplement yourself, like color picking, modals, and animations.

Kilian Valkhof

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CHALLENGE ❓

const obj = {
  a: 1,
  b() {
    return this.a + 1;
  }
};

const { b } = obj;
console.log(b());

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❓ So You Think You Know Box Shadows?

The author indulges his creative side with some fun experiments into what he calls “some of the worst possible things” you can do with box shadows on a DIV element, coupled with JavaScript.

David Gerrells

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CHALLENGE ❓

const obj = { a: 1, b: 2 };
Object.defineProperty(obj, 'b', { value: 3, writable: false });

obj.b = 4;
console.log(obj.b);

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‼️ Astro 4.12: Say Hello to Server Islands

The flexible Astro framework for building modern content-based sites continues to go from strength to strength. v4.12 includes a new concept of server islands, a way to integrate static HTML and server-side generated components together.

Erika and Phillips (Astro)