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Post #2515
4.6K
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- 👍 2
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Channel Public Channel
JA JavaScript
@javascript
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Showing posts older than #2516 · Back to latest
Older Posts 20 shown
Post #2514
4.49K
CHALLENGE
function greet(name) {
return `Hello, ${name}!`;
}
function highlight(strings, ...values) {
return strings.reduce((result, str, i) => {
return result + str + (values[i] ? `<em>${values[i]}</em>` : '');
}, '');
}
const user = 'Sarah';
const status = 'online';
console.log(highlight`User ${user} is currently ${status}.`);- ❤ 2
- 🔥 2
Post #2513
4.56K
- 👍 5
- ❤ 1
- 🔥 1
Post #2512
4.79K
CHALLENGE
async function processValues() {
try {
console.log('Start');
const a = await Promise.resolve('First');
console.log(a);
const b = await Promise.reject('Error');
console.log(b);
return 'Done';
} catch (err) {
console.log(err);
return 'Recovered';
} finally {
console.log('Finally');
}
}
processValues().then(result => console.log(result));- ❤ 2
Post #2511
4.71K
😂
- 🤣 65
- 🔥 4
- ❤ 2
- 👍 2
Post #2510
5.02K
- ❤ 8
- 👍 1
Post #2509
4.85K
CHALLENGE
class LightMachine {
constructor() {
this.states = {
green: { next: 'yellow' },
yellow: { next: 'red' },
red: { next: 'green' }
};
this.currentState = 'green';
}
transition() {
this.currentState = this.states[this.currentState].next;
return this.currentState;
}
}
const lightMachine = new LightMachine();
let result = '';
for (let i = 0; i < 5; i++) {
result += lightMachine.transition() + ' ';
}
console.log(result.trim());- ❤ 4
- 👍 1
Post #2508
4.12K
👀 npq: Safely Install Packages by Auditing Them Pre-Install
npq performs several extra steps compared to npm. It consults Snyk’s database of vulnerabilities, looks at the package’s age, download count, and docs, and tries to paint a better picture of what you’re really installing.
Liran Tal
npq performs several extra steps compared to npm. It consults Snyk’s database of vulnerabilities, looks at the package’s age, download count, and docs, and tries to paint a better picture of what you’re really installing.
Liran Tal
- 🔥 5
- 👍 4
- ❤ 2
Post #2507
4.53K
- 🔥 6
- 👍 3
- ❤ 2
Post #2506
4.49K
CHALLENGE
const weakSet = new WeakSet();
const obj1 = { name: 'First' };
const obj2 = { name: 'Second' };
const obj3 = obj1;
weakSet.add(obj1);
weakSet.add(obj2);
let result = '';
result += weakSet.has(obj1) + ', ';
result += weakSet.has(obj3) + ', ';
obj2.name = 'Modified';
result += weakSet.has(obj2) + ', ';
weakSet.delete(obj1);
result += weakSet.has(obj3);
console.log(result);
- ❤ 8
- 🔥 2
Post #2505
4.52K
🤨 Laravel and Node.js: PHP in Watt Runtime
In June we featured php-node, a new way to ‘bridge the gap’ between PHP and Node.js by being able to embed PHP into Node apps. Now they’ve gone a step further by using php-node and the Watt app server to enable the running of Laravel apps too. A curious meeting of ecosystems!
Stephen Belanger (Platformatic)
In June we featured php-node, a new way to ‘bridge the gap’ between PHP and Node.js by being able to embed PHP into Node apps. Now they’ve gone a step further by using php-node and the Watt app server to enable the running of Laravel apps too. A curious meeting of ecosystems!
Stephen Belanger (Platformatic)
- ❤ 6
- 👍 2
- 🔥 1
- 🤔 1
Post #2504
4.43K
- 🤔 7
- 👍 5
- ❤ 1
- 🔥 1
Post #2503
4.41K
CHALLENGE
function createCounter() {
let count = 0;
const counter = {
increment() {
count++;
return count;
},
getCount() {
return count;
}
};
return counter;
}
let c1 = createCounter();
c1.increment();
c1.increment();
let c2 = c1;
c1 = null;
console.log(c2.getCount());- ❤ 4
- 👍 1
- 🔥 1
Post #2501
4.43K
- 👍 5
Post #2500
4.57K
CHALLENGE
function* createCounter() {
let count = 0;
while (true) {
const reset = yield ++count;
if (reset) {
count = 0;
}
}
}
const counter = createCounter();
console.log(counter.next().value);
console.log(counter.next().value);
console.log(counter.next(true).value);
console.log(counter.next().value);- ❤ 9
- 👍 2
- 🤩 1
Post #2499
4.67K
- 🔥 3
- 👍 2
- 🤔 2
- ❤ 1
Post #2498
4.63K
CHALLENGE
const scores = [85, 92, 78, 90];
const student = {
name: 'Jordan',
grade: 'A',
...{ courses: ['Math', 'Science'] },
scores,
average: function() { return this.scores.reduce((a, b) => a + b) / this.scores.length }
};
const { name, ...details } = student;
const [first, ...rest] = scores;
console.log(details.scores[0], rest[0]);
- ❤ 6
- 🔥 2
Post #2497
4.53K
🎹 A collection of JavaScript tools written in Rust.
The Oxidation Compiler is creating a collection of high-performance tools for JavaScript and TypeScript.
The Oxidation Compiler is creating a collection of high-performance tools for JavaScript and TypeScript.
- ❤ 5
- 🤔 2
- 👍 1
- 🔥 1
Post #2496
4.67K
- 👍 8
- ❤ 5
- 🔥 3
Post #2495
4.62K
CHALLENGE
function getOrder() {
console.log('1');
setTimeout(() => console.log('2'), 0);
Promise.resolve().then(() => {
console.log('3');
Promise.resolve().then(() => console.log('4'));
});
Promise.resolve().then(() => console.log('5'));
console.log('6');
}
getOrder();- ❤ 5