JavaScript Projects for Kids

Encapsulation in JavaScript

In OOP, encapsulation is one of the most important concepts that allows an object to group the members of public and private classes under a single name. We use encapsulation to protect our classes against accidental or willful folly. Encapsulation means to enclose something in or as if something is in a capsule.

Now, we will see whether JavaScript supports encapsulation. If it does, we can say that JavaScript is an OOP language. Let's take a look at the following example:

var person = {
  "name" : "Harry Potter",
  "age" : 22,
};
alert(person.name);
person.name = "John";
alert(person.name);

If we run this on the console. The first alert box will print the following image:

We changed the variable name to John. Therefore, the ...