1const person = {firstName:"John", lastName:"Doe", age:50, eyeColor:"blue"};

1
2class Car {
3
4   constructor(name, year) {
5
6    this.name = name;
7
8    this.year = year;
9
10  }
11
12}
13 

1
2let myCar1 = new Car("Ford", 2014);
3
4let myCar2 = new Car("Audi", 2019);
5 

1let car = {
2  engineNumber: 1234
3  brand: 'BMW',
4  break: function (){}
5}

1var student = {                 // object name
2firstName:"Jane",           // list of properties and values
3lastName:"Doe",
4age:18,
5height:170,
6fullName : function() {     // object function
7   return this.firstName + " " + this.lastName;
8}
9}; 
10

1var object = {'key':'value','the value can be anything',[1,null,'Dr.Hippo']};