Concatenate Arrays with concat

This makes no sense:

Your code so far

var oldArray = [1,2,3];
var newArray = [];

var concatMe = [4,5,6];

// Only change code below this line.

newArray = oldArray.concat(otherArray[oldArray,NewArray]);```
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**Link to the challenge:**

This line you have added doesn’t make sense. The format for concatting one array to another is:
arrayYouWantInFront.concat(arrayYouWantInBack) and can set that as a new variable if you want