## How to find the absolute value of a number in JavaScript:

*JavaScript* provides one method defined in the *Math* object that can be used to find the *absolute value* of a given number. It is *abs()*. In this post, we will learn how to use *abs()* function with examples.

## Definition of abs():

*abs()* method is defined as below:

`Math.abs(number);`

### Parameter:

It takes one *parameter*, the *number* to convert to an absolute value.

### Return value of abs():

*abs()* function returns the absolute value of the number we are passing. It returns *NaN* if the parameter is not a number.

This is defined in the *Math* object which contains this function.

## Example of abs():

Letâ€™s take a look at *abs()* with different types of parameters:

```
console.log(Math.abs(10))
console.log(Math.abs(-10))
console.log(Math.abs(10.5))
console.log(Math.abs(-10.5))
console.log(Math.abs(0))
```

It will print:

```
10
10
10.5
10.5
0
```

### Example of abs that prints NaN:

```
console.log(Math.abs(undefined))
console.log(Math.abs('hello'))
console.log(Math.abs('&'))
```

It will print *NaN* for all.

```
NaN
NaN
NaN
```

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