how to call object in object javascript code example

Example 1: function inside object javascript

var obj = {
  func: function(a, b) {
    return a * b;
  }
};

obj.func(3, 6); // 18

Example 2: js create object with properties

function Car(make, model, year) {
  this.make = make;
  this.model = model;
  this.year = year;
}