# JavaScript ( Data Types )

### There are 5 Java Script (Data Types) :


## String
### What is a String ?

**In computer programming, a string is Letters, words, and sentences are called strings in coding. Quotation marks are used to show the start and end of a string. For example, 'hello world' is a string.**

Strings are also in Arrays, the list of Arrays, strings can either be like this (' ') or (" ").

## Numbers
### What is a Number ?

**Computers work by processing and manipulating numbers. Most programming languages make a distinction between whole numbers and decimal numbers. **

Numbers in coding can also be used as (Index or lastIndex) example :

```
let index = [
     'ana',
     'zunaira',
     'folakunmi',
     'waleed',
     'mansour',
     'alyssa'
 ]
```
it will print out  

          'ana', - 0

     'zunaira', - 1

     'folakunmi', - 2

     'waleed', - 3

     'mansour', - 4

     'alyssa' - 5
                       

it always starts from 0

## Boolean
### What is a Boolean ?

**a boolean refers to a value that is either true or false.  , where the value of true is 1 and the value of false is 0. **

## Array 
### What is an Array ?

** An array, is a data structure consisting of a collection of elements, each identified by at least one array index.**
An array uses strings in each line and column.

## Object
### What is an Object ?
**An object is an abstract data type, An object has state (data) and behavior (code).**