javascript class
// Improved formatting of Spotted Tailed Quoll's answer
class Person {
constructor(name, age) {
this.name = name;
this.age = age;
}
introduction() {
return `My name is ${name} and I am ${age} years old!`;
}
}
let john = new Person("John Smith", 18);
console.log(john.introduction());javascript class
class Rectangle {
constructor(height, width) {
this.height = height;
this.width = width;
}
// Getter
get area() {
return this.calcArea();
}
// Method
calcArea() {
return this.height * this.width;
}
}
const square = new Rectangle(10, 10);
console.log(square.area); // 100node js class
//Node js class: Here a quick code example
// Basic class
class Rectangle {
// Constructor
constructor(height, width) {
// Member variables
this.height = height;
this.width = width;
// Access static member variable
Rectangle.count++;
}
// Getter
get area() {
return this.calcArea();
}
// Method
calcArea() {
return this.height * this.width;
}
// Static method
static calcArea(width, height) {
return width * height;
}
}
// Static member variable
Rectangle.count = 0;
// Class instantiation
const square = new Rectangle(10, 10);
// Access member variable
console.log(square.height, square.width); // 10 10
// Call getter
console.log(square.area); // 100
// Call method
console.log(square.calcArea()); // 100
// Access static member variable
console.log(Rectangle.count); // 1
// Call static method
console.log(Rectangle.calcArea(15, 15)); // 225class declaration in javascript
class NameOfClass {
//class declaration first letter should be capital it's a convention
obj="text";
obj2="some other text";
}
//always call class with "new" key word
console.log(new NameOfClass);Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
