constructor(value){

    this.value = value;

    this.next = null;

  }

}

​

​

function setup() {

  const a = new LinkedListNode('Angel Food');

  const b = new LinkedListNode('Bundt');

  const c = new LinkedListNode('Cheese');

  const d = new LinkedListNode(`Devil's Food`);

  const e = new LinkedListNode('Eccles');

  a.next = b;

  b.next = c;

  c.next = d;

  d.next = e;

  let solution = kthToLastNode(0,a);

  console.log(solution.value );

}

​

function kthToLastNode(k,node){

  // lets make a list of all the nodes in order

  let nexts = [];

  let next = node;

  while (next != null){

    next = next.next;

    append(nexts,next);

  }

  return nexts[nexts.length-k-2];

}

​