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Other 2022-02-05 12:35:07
why do we use Object Constructors
A constructor is a function that creates an instance of a class which is typically called an “object”. In JavaScript, a constructor gets called when you declare an object using the new keyword. The purpose of a constructor is to create ... Add solution -
Javascript 2022-02-02 21:20:42
what is prototype in javascript
/*Prototype is used to add properties/methods to a constructor function as in example below */ function ConstructorFunction(name){ this.name = name //referencing to current executing object } ConstructorFunction.prototype.age = 18 let objectName = new ... Add solution -
Javascript 2022-02-02 19:51:26
angular back button
import {Component} from '@angular/core'; import {Location} from '@angular/common'; @Component({ // component's declarations here }) class SomeComponent { constructor(private _location: Location) {} backClicked() { this._location.back(); } } Add solution -
Java 2022-02-02 18:32:02
protected in java
/* similar to private keyword, but also lets both: - subclasses - classes in same package access the variable, method or constructor */ class Superclass { protected int myNumber = 5; } class Subclass extends SuperClass { // has access to myNum... Add solution -
Javascript 2022-02-02 02:50:20
How to Submit Forms and Save Data with React.js
class UserForm extends React.Component { constructor(props) { super(props); this.state = {username: ''}; this.handleChange = this.handleChange.bind(this); thi... Add solution -
Javascript 2022-02-01 22:10:41
extended class call method from super in javascript
class Rectangle { constructor(height, width) { this.name = 'Rectangle'; this.height = height; this.width = width; } sayName() { console.log('Hi, I am a ', this.name + '.'); } get area() { return this.height * this.width; } ... Add solution
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