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// Function Example
// getFullName Method in the person Object
const person = {
  firstName: 'John',
  lastName: 'Doe',
  // Method in the object
  getFullName: function () {
    return '';
  },
};

const fullName = person.getFullName();
console.log('name:', fullName);

return this.firstName + ' ' + this.lastName;

# Method

A method refers to a `function that belongs to an object`.

This means having a function as a property of an object.

<br />

Basic data types such as strings, arrays, and numbers are also treated as objects, which means methods can be used on these data types as well.

Below is an example of methods used to manipulate string data.

```javascript title="Examples of length and toUpperCase Methods"
let name = 'banana';

// Method that returns the length of the string
console.log(name.length); // 6

// Method that converts the string to uppercase
console.log(name.toUpperCase()); // BANANA
```

Using the `.length` method on a string returns the length of the string.

The `.toUpperCase()` method converts all characters in the string to uppercase.

<br />

## Difference Between Methods and Functions

Functions are independent blocks of code that perform specific tasks as a code set.

Functions are not bound to any particular object and can be called from anywhere.

```javascript title="Function Example"
function greet() {
  console.log('Hello!');
}
greet(); // Hello!
```

<br />

In contrast, methods are functions that exist as properties of an object.

To use values within an object, you use the `this` keyword, where `this` refers to the object the method belongs to.

```javascript title="Method Example"
const person = {
  name: 'John',
  greet: function () {
    console.log('Hello, ' + this.name + '!');
  },
};

person.greet(); // Hello, John!
```

A method is a function that belongs to an object and can access other attributes of that object or be called within it. In contrast, a function is an independent block of code not bound to a particular object.

Method

Difference Between Methods and Functions

What is the correct difference between a method and a function?