10 lines
214 B
Markdown
10 lines
214 B
Markdown
### Factorial
|
|
|
|
Use recursion.
|
|
If `n` is less than or equal to `1`, return `1`.
|
|
Otherwise, return the product of `n` and the factorial of `n - 1`.
|
|
|
|
```js
|
|
const factorial = n => n <= 1 ? 1 : n * factorial(n - 1)
|
|
```
|