Your enthusiasm, contributions, and support have brought us to this milestone. Let’s keep the energy high as we continue to learn, share, and innovate together. Here’s to many more achievements on our journey!
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🔥19👍7❤3🤔1
CHALLENGE
const array = [1, 2, 3, 4, 5];
const result = array.find(n => n > 3) ? array.every(n => n < 6) : array.some(n => n > 4);
console.log(result);
👍8
👍10🤔6❤2🤩2
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❤4👍3🔥1
CHALLENGE
function* generator() {
yield 'a';
yield* 'bcd';
yield 'e';
}
const gen = generator();
console.log([...gen]);
🤔8❤3🔥2🤩1
What is the output?
Anonymous Quiz
11%
['a', 'b', 'c', 'e']
52%
['a', 'bcd', 'e']
8%
['a', 'b', 'c', 'd']
29%
["a", "b", "c", "d", "e"]
👍8🤩3🤔1
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❤3👍1🔥1
CHALLENGE
const array = [1, 2, [3, 4, [5, 6]]];
const result = array.flat(2).map(n => n * 2);
console.log(result);
🔥5👍4🤩1
What is the output?
Anonymous Quiz
15%
[2, 4, 3, 4, 5, 6]
22%
[1, 2, 6, 8, 10, 12]
49%
[2, 4, 6, 8, 10, 12]
14%
[2, 4, [6, 8, [10, 12]]]
👍9🤣4❤2🔥1🤩1
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Soon, all websites will start using WebAI because the model will run on your computer, and they won't need to spend resources on it.
Narek Hakobyan
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👍20🤔12🔥9❤4🤣4
CHALLENGE
const array = [1, 2, [3, 4, [5, 6]]];
const result = array.flat(2).map(n => n * 2);
console.log(result);
👍3
🤣21🤔14👍9🔥4🤩1
A modern, configurable, and fast template engine promising “the power of Nunjucks” and “the simplicity of EJS”. There’s an online playground if you want to see it in action.
Ben Gubler
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👍4❤2🔥2
CHALLENGE
const array = [1, 2, 3, 4, 5];
const [first, ...rest] = array;
const modified = rest.map((n, i) => i % 2 === 0 ? n * 2 : n);
console.log(first, modified);
❤9👍4
What is the output?
Anonymous Quiz
23%
1, [2, 3, 8, 5]
18%
1, [4, 6, 8]
20%
1, [4, 8]
40%
1, [4, 3, 8, 5]
👍9
CHALLENGE
const obj = { a: 1, b: 2 };
const proxy = new Proxy(obj, {
get(target, prop) {
return prop in target ? target[prop] : 0;
}
});
console.log(proxy.a, proxy.b, proxy.c);
❤11🔥3👍2
What is the output?
Anonymous Quiz
18%
undefined, 2, 0
21%
1, undefined, 0
40%
1, 2, 0
20%
1, 2, undefined
❤6
You can 'cancel' XHR and fetch requests, but can you cancel regular promises? Currently, no, but Zachary looks into doing the next best thing: telling a promise the game's up, and discarding/ignoring its eventual results.
Zachary Lee
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👍7
CHALLENGE
const array = [1, 2, 3];
array[10] = 4;
console.log(array.length);
console.log(array.includes(undefined));