Method

by Mahadevan Sivasubramanian

JavaScript

var profileDetails = {
  firstName: 'Mahadevan',
  lastName: 'Sivasubramanian',
  birthYear: 1982,
  familyDetails: ['Vidya', 'Srinika', 'Vishanth'],
  job: 'Project Manager',
  isMarried: true,

  // create simple method
  calcAge: function() {
    var currentYear = 2018;
    this.age =  currentYear - this.birthYear;
  }

}

profileDetails.calcAge();
console.log(profileDetails);