for...in
========

The `for...in` statement iterates of the properties of an `object`.

Syntax
------

```
for [variable] in [object]
  [body]
```

### Firescript

```fire
for let prop in obj
  console.log(obj[prop])

```

#### Output

```js
for (let prop in obj) {
  console.log(obj[prop]);
}
```
