# Change minus to plus, minus to minus with JavaScript

JavaScript is a way to change negative values to positive values and positive values to negative values.

目次

## Minus Plus, plus minus

### Make minus in the formula and minus in the formula

`-(Value)`

Sample code

```
Let N1 =-(12);
Let N2 =-(-10);
Console.log (N1, N2);
-12, 10
```

In the code above, 12 is inverted to a negative value of -12 and -10 is inverted to a positive value of 10.

## Make only minus

### Use Math.abs ()

It is a method to change only negative value to positive value by Math.abs ().

`Math.Abs (value)`

Math.Abs () Sample code

```
Let N1 = Math.abs (12);
Let N2 = Math.abs (-10);
Console.log (N1, N2);
12, 10
```

In the above code, 12 remains unchanged and -10 is inverted to 10.

## Discussion

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