Consider the following TypeScript classes: class A { foo: string; constructor({ foo }: { foo: string }) { this.foo = foo; } equals(other: A) { return this.foo === other.foo; } } class B extends A { bar: number; constructor(b: {…
For the project I'm working on, I have defined a certain base class and several derived classes that inherit it. The base class has several virtual methods that are overriden by methods in the derived classes. At a certain point…
I have class with constructor that can accept object of two types, and then based on what type of object it got, perform different actions. I've seen that it's possible to use as keyword for that. But it feels wrong…
I have a test that works on webdriverio, but when I move the browser into a class this error comes out: Unable to load spec files quite likely because they rely on `browser` object that is not fully initialised. The…
I am creating a PowerShell module that defines a class. For example: class MyClass { [string] $Name } If I put the class definition directly in the psm1 file then everything works fine. However, if I move the class to…
In my program I save my elements in each variable in a classic way. But there are many lines of code when there are many elements. Is there a more efficient way to do it? let el1 = document.getElementsByClassName('class-1'); let…
As I checked on MDN, method of a class looks like this: class Foo { method1 (){ // content of method1 } } However I found it's not good for event handlers <!doctype html> <html lang="en"> <head> <title>test</title> </head> <body>…
So, i was solving this problem but i didn't find the solution. The error is I cannot get the setShowCatMenu as a function type: Code Below Menu.jsx import React from 'react'; import Link from 'next/link'; import { BsChevronDown } from…
class Person { constructor(name, age) { this.name = name; this.age = age; } sayHello() { console.log(`Hello, my name is ${this.name} and I'm ${this.age} years old.`); } } I can create instance as person = new Person('Alice', 30); But in my…
I am using typescript and am trying to push a map value(custom class caled beat) to a beat array and am getting this error, Argument of type 'Beat | undefined' is not assignable to parameter of type 'Beat'. Code //*Beat…