var objectname = {
    key: 'value'
    type: 'value of type'
    car: 'dacia'
}

//Instantiated object

var objectname = new Object();
objectname.key = 'value';
objectname.car = 'Volvo';

//Constructor

function objectname(key, car){
    this.key = key;
    this.car = car;
}
var instanceofobject = new objectname('value', 'Dacia');