linkedList js

// linkedlist class
class LinkedList {
    constructor()
    {
        this.head = null;
        this.size = 0;
    }
 
    // functions to be implemented
    // add(element)
    // insertAt(element, location)
    // removeFrom(location)
    // removeElement(element)
 
    // Helper Methods
    // isEmpty
    // size_Of_List
    // PrintList
}

// adds an element at the end
// of list
add(element)
{
    // creates a new node
    var node = new Node(element);
 
    // to store current node
    var current;
 
    // if list is Empty add the
    // element and make it head
    if (this.head == null)
        this.head = node;
    else {
        current = this.head;
 
        // iterate to the end of the
        // list
        while (current.next) {
            current = current.next;
        }
 
        // add node
        current.next = node;
    }
    this.size++;
}