JavaScript: Adding static properties to a class

You can add static properties to a class using class name.

Syntax

ClassName.propertyName

HelloWorld.js

class Employee{
  constructor(firstName, lastName){
    this.firstName = firstName;
    this.lastName = lastName;
    Employee.noOfEmployees++;
  }
}

Employee.noOfEmployees = 0;

var emp1 = new Employee("Krishna", "Gurram");
var emp2 = new Employee("Gopi", "Battu");

console.log("Total objects : " + Employee.noOfEmployees);

Output

Total objects : 2

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