# Random integer array in range

JavaScript, Math, Random · Oct 22, 2020

Generates an array of `n`

random integers in the specified range.

- Use
`Array.from()`

to create an empty array of the specific length. - Use
`Math.random()`

to generate random numbers and map them to the desired range, using`Math.floor()`

to make them integers.

```
const randomIntArrayInRange = (min, max, n = 1) =>
Array.from(
{ length: n },
() => Math.floor(Math.random() * (max - min + 1)) + min
);
```

`randomIntArrayInRange(12, 35, 10); // [ 34, 14, 27, 17, 30, 27, 20, 26, 21, 14 ]`