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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 -
Javascript 2022-02-01 21:40:08
how destructuring works in javascript
const objA = { prop1: 'foo', prop2: { prop2a: 'bar', prop2b: 'baz', }, }; // Deconstruct nested props const { prop1, prop2: { prop2a, prop2b } } = objA; console.log(prop1); // 'foo' console.log(prop2a); // 'bar' console.log(prop2b); // 'baz' Add solution -
PHP 2022-02-01 06:55:54
__construct
<?php class BaseClass { function __construct() { print "In BaseClass constructor\n"; } } class SubClass&... Add solution
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