What is the output?
Anonymous Quiz
17%
Rejected, After catch
39%
Rejected, After catch, After then
25%
Error: Rejected, After catch, After then
19%
Error: Rejected
👍10❤4🤣2
A similar idea to Mermaid but with a different attitude to extensibility as well as no requirement for a headless browser server-side. The intro docs have both visual and code examples.
HIKERPIG
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What is your salary as an engineer? 💵
Anonymous Poll
36%
0
12%
< 500$
8%
< 1.000$
8%
< 2.000$
9%
< 4.000$
6%
< 8.000$
4%
< 10.000$
2%
< 12.000$
3%
< 15.000$
12%
< 20.000$
🤣51🤔15🤩7
CHALLENGE
function Product(name, price) {
this.name = name;
this.price = price;
}
Product.prototype.discount = function(discount) {
this.price -= discount;
};
const product = new Product('Phone', 500);
product.discount(50);
console.log(product.price);
👍8❤2🔥1
👍12🤣10
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Telegram
JavaScript
Boost this channel to help it unlock additional features.
👍14
CHALLENGE
function Animal() {}
function Dog() {}
Dog.prototype = Object.create(Animal.prototype);
const rover = new Dog();
console.log(rover.constructor === Animal);
console.log(rover.constructor === Dog);
console.log(Dog.prototype.isPrototypeOf(rover));
console.log(Animal.prototype.isPrototypeOf(rover));
👍3❤2🔥2🤔1
What is the output?
Anonymous Quiz
29%
true, false, true, true
27%
false, false, true, true
24%
false, true, false, true
20%
true, true, true, false
👍7
CHALLENGE
function Shape() {}
function Circle(radius) {
this.radius = radius;
}
Circle.prototype = Object.create(Shape.prototype);
Circle.prototype.constructor = Circle;
const shape = new Shape();
const circle = new Circle(5);
console.log(circle instanceof Circle);
console.log(circle instanceof Shape);
console.log(shape instanceof Circle);
console.log(shape instanceof Shape);
❤9👍3🔥1
What is the output?
Anonymous Quiz
42%
true, true, false, true
21%
false, false, true, true
25%
true, false, true, false
12%
true, true, true, true
👍8❤4🤩4🤣3🔥1
ArmenVardanyan
Author of "Modern Angular"
Google DevExpert for Angular
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❤3👍3🔥2🤣2🤔1🤩1
CHALLENGE
function Animal() {}
function Dog() {}
Dog.prototype = Object.create(Animal.prototype);
const rover = new Dog();
console.log(rover.hasOwnProperty('constructor'));
👍5❤2🔥2🤣2
🤔7🤣4❤3👍3🔥1
Less shell-oriented than zx, execa focuses on making executing external commands secure, cross-platform, and easy to debug. v9 lets you make commands iterable so you can process their output on the fly, map/filter both input and output, pipe multiple commands, and more. GitHub repo.
EHMICKEY, SORHUS, ET AL.
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👍5❤2🔥2🤣2🤩1
CHALLENGE
function Shape() {}
function Circle(radius) {}
Circle.prototype = Object.create(Shape.prototype);
const shape = new Shape();
console.log(shape instanceof Circle);
🤣6❤3🔥3👍1
👍13🤔10🤩4❤3🤣2🔥1
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https://t.iss.one/javascript?boost
https://t.iss.one/javascript?boost
Telegram
JavaScript
Boost this channel to help it unlock additional features.
❤9👍2🔥2🤣1
CHALLENGE
function Animal() {}
const dog = new Animal();
console.log(dog.constructor === Animal);
👍5🔥2❤1
👍13🤔8❤7🤩5🔥1