inheritance.js

function Employee(name, age, emp_id) {
  this.name = name;
  this.age = age;
  this.emp_id = emp_id;
}

function Accountant(name, age, emp_id) {
  Employee.call(this, name, age, emp_id);
  this.role = "accountant";
}

Accountant.prototype = Object.create(Employee.prototype);

Employee.prototype.sayName = function() {
  return `My name is ${this.name}`;
};

const a = new Accountant("Rohan", "Bagchi", 11234);

document.getElementById("app").innerHTML = `
  ${a.sayName()}
`;