DOM Challenge #2

Today's question:

Find the nth parent of a given DOM element.

If input is Div.6 & n is 2 we should output Div.2

Considerations:
1) What if n > number of parents?
In that case we return null.
2) n > 0

Approach:

Get all parentNodes of DOM and return (n-1)th element from array.

Code:

const parentList = (node)=>{
   let tempNode = node;
   const parentNodes = [];
   while(tempNode.parentElement){
     parentNodes.push(tempNode.parentElement);
    tempNode = tempNode.parentElement;
   }
   return parentNodes;
}

const getNthParent = (node, n) => {
   const parentNodes = parentList(node);
   if(n > parentNodes.length){
      return parentNodes[n-1];
   }
  return null;
}