🤔19👍6❤3🔥2
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👍14❤1🔥1🤩1
CHALLENGE
let obj = {};
Object.defineProperty(obj, 'a', {
value: 1,
enumerable: true
});
let clone = Object.create(
Object.getPrototypeOf(obj),
Object.getOwnPropertyDescriptors(obj)
);
console.log(clone.a);
console.log(clone.hasOwnProperty('a'));
👍12❤3🔥3
What is the output?
Anonymous Quiz
16%
undefined, false
55%
1, true
18%
1, false
10%
undefined, true
👍11❤3🔥2
QUICK BITS:
🤝 It hasn't been finalized yet, but the Node team is working on a Node.js Advocacy Ambassador program where the team will nominate a group of annual ambassadors to help in spreading the word about various Node.js topics.
⚠️ If you haven't taken the official Node.js Next 10 Survey yet, please do! Entries close this Friday, May 24, and your input will help steer future core team decisions.
‼️ Talking of surveys, the 2024 Stack Overflow developer survey has just gone live. It's open till June 7.
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👍5❤2🔥2
CHALLENGE
let proto = { a: 1 };
let obj = Object.create(proto);
Object.defineProperty(obj, 'a', {
value: 2,
writable: false,
enumerable: true,
configurable: false
});
console.log(obj.a);
proto.a = 3;
console.log(obj.a);
🔥7
👍15🤔9❤5🤩4🔥3
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🔥6👍2❤1
CHALLENGE
console.log(1);
setTimeout(() => {
console.log(2);
}, 100);
setTimeout(() => {
console.log(3);
}, 0);
Promise.resolve().then(() => {
console.log(4);
}).then(() => {
console.log(5);
});
console.log(6);
👍8❤3
What is the output?
Anonymous Quiz
14%
1, 6, 4, 3, 5, 2
33%
1, 6, 3, 4, 5, 2
16%
1, 6, 4, 5, 2, 3
37%
1, 6, 4, 5, 3, 2
❤11🤔5🤩4👍3🔥3
CHALLENGE
const obj = {
a: 1,
b: function() {
return () => {
return this.a;
};
},
c: function() {
return function() {
return this.a;
};
}
};
const arrowFunc = obj.b();
const regularFunc = obj.c();
console.log(arrowFunc());
console.log(regularFunc());
👍9🤔6
What is the output?
Anonymous Quiz
19%
undefined, 1
24%
undefined, undefined
37%
1, 1
20%
1, undefined
❤17🤔13👍5🤣3🔥1
Frank has a great reputation for putting together stunning visual demos with the tiniest amounts of JavaScript. This is no exception. He goes into a lot of detail about how it works; you’ll learn a few things and/or come away awe-struck.
FRANK FORCE
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👍3❤2🔥2🤩2
CHALLENGE
function* generator() {
yield* [1, 2, 3];
yield 4;
}
const gen = generator();
console.log([...gen]);
❤1👍1🤣1
🤩9🤣8🔥5👍3❤1🤔1
Amy wanted to programatically bring her (cursive) handwriting into some diagrams she was making and figured out how to make it happen with p5.js. Here's how.
AMY GOODCHILD
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👍8❤1🔥1
CHALLENGE
function* generator() {
yield 1;
yield 2;
yield 3;
}
const gen1 = generator();
const gen2 = generator();
console.log(gen1.next().value);
console.log(gen2.next().value);
console.log(gen1.next().value);
console.log(gen2.next().value);
❤5👍2🤔1
👍12❤5🔥3🤩2
CHALLENGE
function* generator() {
yield 1;
yield* (function*() { yield 2; yield 3; })();
yield 4;
}
const gen = generator();
console.log(gen.next().value);
console.log(gen.next().value);
console.log(gen.next().value);
console.log(gen.next().value);
👍3❤1