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              DoublyLinkedList.prototype.removeAt = function(position) {
    var length = this._length - 1,
        withinBounds = this.withinBounds(position, length);
    if(withinBounds) {
        if(position === 0) {
            return this.removeHead();
        } else if(position === length) {
            return this.removeTail();
        }  else {
            positionNode = this.findPositionNode(position);
            if(positionNode !== null) {
                positionNode.previous.next = positionNode.next;
                positionNode.next.previous = positionNode.previous;
                //remove the pointers from the node marked for deletion
                var temp = positionNode;
                positionNode.next = null;
                positionNode.previous = null;
                //update length
                return temp;
    } else { //not within bounds
        throw new Error('Position Not Within Bounds');

//Test removeAt
var peopleList = new DoublyLinkedList();
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