
In JavaScript, **`random()`** is a built-in method that is used to return a random number in the range 0 to 1 (with 0 being inclusive and 1 exclusive). The distribution of the generated random numbers is approximately uniform. It does not actually return a whole number. Instead, it returns a floating point (decimal) value.


The `random()` method can only be invoked through the `Math` object because it is a function of this object. This means that it can also be referred to as a *Math function*.

``` js
Math.random()
```
> There are no parameters or arguments for this function


The `random()` function returns a value in the range 0 to 1, where 0 is inclusive and 1 is exclusive.


# Generating numbers from 0 to 1

Let's take an example that describes how to use the `random()` method in JavaScript.



console.log(Math.random())
//0.3954510201227812
console.log(Math.random())
//0.14764999900801512

> The numbers returned will be different for every method call.

# Generating numbers in custom ranges

By default, `random()` returns a floating point value between 0 and 1. However, different ranges of random numbers can easily be generated.

# Generating a random number between 0 and a specified number

In this, we want to generate random numbers between 0 and a, where **a** is the specified number .
```js
Math.random() * a;
```
 In this example, we want to generate random numbers between 0 and 15. To do this, we multiply the result of `Math.random()` by 15:



var result ;
for (var i = 0; i < 5; i++){
    result = Math.random() * 15;
    console.log(result)
}

In the code above, we used the `random()` function inside the  `for loop` to generate 5 random numbers between 0 and 15.

# Generating a random number within a range of values

 In this, we want to generate random numbers between **b** and **c**. To do this, the difference of both numbers is multiplied by the `Math.random()` and the lesser number is added. 
```js
Math.random() * ( c - b) + b
```



var result ;
var b = 100;
var c = 500;
for (var i = 0; i < 5; i++){
    result = Math.random() *  (c - b) + b;
    console.log(result)
}

In the code above, we used the `random()` function inside the  `for` loop to generate 5 random numbers between 100 and 500. To achieve this, we assign both numbers to variables `b` and `c`.


# Application

The `random()` method has various applications including gaming, text generator, number generator, generative art.

Next you will see a ***mini dice game*** that is built using the `random()` method.

The code for this game can be seen by clicking on other tabs. 

<html>
 <head>
 </head>
 <body>
   <div id="app">
     <div>
       <input id="playerOne" type="text" placeholder="Enter Name of Player"/>
     </div>
     <div>
       <input id="playerTwo" type="text" placeholder="Enter Name of Player"/>
     </div>
     <button id="roll">Click to Roll Dice</button>
     <div id="results"></div>
   </div>  
 </body>
</html>

body{
    background-color: white; 
}
input[type="text"]{
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    border: white;
    box-shadow: 6px 3px 12px 1px grey;
}
button{
    background-color: blue;
    padding: 10px;
    margin: 10px 0;
    border: none;
    border-radius: 5px;
    color: white;
}
p{
    font-size: 1.5rem;
    color: gray;
}

codemirror

What is random() in JavaScript?

Math.random() in JavaScript returns a floating-point number between 0 (inclusive) and 1 (exclusive), useful for various applications.