**Tell us what’s happening:**

**Your code so far**

```
function sumAll(arr) {
var sum = [];
for (i = Math.min(...arr); i <= Math.max(...arr); i++) {
sum.push(i);
}
return sum.redeuc(function(a,b){ return a+b; },0);
}
sumAll([1,4]);
```

**Your browser information:**

Your Browser User Agent is: `Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.104 Safari/537.36`

.

**Link to the challenge:**