**Tell us what’s happening:**

I am having trouble understanding how to nest another function within an arrow function . I think that my variable squarelist is a function that takes arr as an argument and returns squaredIntegers, which is an array the squares of all integers in realNumberArry.

Can someone explain why this isn’t working?

Thanks

**Your code so far**

```
const realNumberArray = [4, 5.6, -9.8, 3.14, 42, 6, 8.34];
const squareList = (arr) => {
"use strict";
// change code below this line
const squaredIntegers = [];
for (i=0, i<arr.length, i++){
if (i%2==0){
squared.Integers.push(arr[i]*arr[i])
}
}
// change code above this line
return squaredIntegers;
};
// test your code
const squaredIntegers = squareList(realNumberArray);
console.log(squaredIntegers);
```

**Your browser information:**

User Agent is: `Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36`

.

**Link to the challenge:**

https://learn.freecodecamp.org/javascript-algorithms-and-data-structures/es6/write-higher-order-arrow-functions