Can someone please explain to me why the 4th test is failing?

JavaScript
#1

Tell us what’s happening:

  **Your code so far**


function frankenSplice(arr1, arr2, n) {
return arr2.reduce((acc, item, index) => {
  if(index === n){
    acc.push(...arr1, item)
  } else {
    acc.push(item)
  }
  return acc
}, [])
}


frankenSplice([1, 2, 3], [4, 5, 6], 1);

  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0.

Challenge: Slice and Splice

Link to the challenge:

#2

Hello there,

Add this to your code, and see what is output:

console.log(frankenSplice([1, 2, 3, 4], [], 0));

Hint:

You are not accounting for base cases (what happens when arr2 is empty)

Hope this helps

#3

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