class Quote { String text; String author; Quote({ this.text, this.author }); } In vscode, without required, it will shown me error and force me to add required inside the constructor before this.text class Quote { String text; String author; Quote({…
I have a navbar with Bootstrap icon inside the anchor tags Here's my code: <li class="nav-item"> <a href="#" class="nav-link"> <i class="bi bi-house"></i> </a> </li> <li class="nav-item"> <a href="#" class="nav-link"> <i class="bi bi-heart"></i> </a> </li> <li class="nav-item"> <a href="#" class="nav-link"> <i…
I have an array of similar objects like this: const urls = [ { title: "title 1", url: "https://example.com/1" }, { title: "title 2", url: "https://example.com/2" }, ... ] To reduce the repetition, I think of making a class: class…
What I'm trying to do is to create Python class definitions in code by reading a JSON file. I don't want to have the class pre-written in Python and then load it with the JSON data. I want to use…
Considering the following code class A { a; constructor() { console.log(2); this.inv(); } inv() { console.log(4); this.a = "a value"; } } class B extends A { b; constructor() { console.log(1); super(); } inv() { console.log(3); super.inv(); console.log(5); this.b =…
I just created a counter class that seems to work almost okay. Unfortunately there is an issue that I cannot identify. I instance my class twice with a different name but the parameters remain the same in terms of the…
I'm trying to get a button to be the purple color listed within the code, but it refuses to show. Here is the HTML: function showSidebar() { const sidebar = document.querySelector('.sidebar') sidebar.style.display = 'flex' } function hideSidebar() { const sidebar…
I have a JavaScript class Bank with a method "addBranch" that adds a Branch object to an array of branches. I want to initialize a custom attribute "customers" for each Branch object when it is added to the array. Here…
Is there any possibility to define or extend a class for a primitive type like string, number or array? For example i would like to define a Name-class which I can construct with new Name() and just returns the primitive…
I am trying to subclass JavaScript array and override 'length' getter and setter. This code is not working - it outputs nothing to the console because getter and setter are not called. How to fix this? class MyArray extends Array…