diff --git a/DSA Javascript/Stack_Using_Singly_Linked_List.js b/DSA Javascript/Stack_Using_Singly_Linked_List.js
index fb1c779d..83856dfe 100644
--- a/DSA Javascript/Stack_Using_Singly_Linked_List.js	
+++ b/DSA Javascript/Stack_Using_Singly_Linked_List.js	
@@ -1,83 +1,147 @@
-//Stack using linkedlist
-function stackUsingLL(){
- //Node 
- let Node = function(elm){
- this.element = elm;
- this.next = null;
- }
+// //Stack using linkedlist
+// function stackUsingLL(){
+// //Node 
+// let Node = function(elm){
+// this.element = elm;
+// this.next = null;
+// }
 
- //To keep track of the size 
- let length = 0;
+// //To keep track of the size 
+// let length = 0;
 
- //To keep track of the list
- let head = null;
+// //To keep track of the list
+// let head = null;
 
- //Push data in the stack
- this.push = function(elm){
- //Create a new node
- let node = new Node(elm),
- current;
+// //Push data in the stack
+// this.push = function(elm){
+// //Create a new node
+// let node = new Node(elm),
+// current;
 
- //Add the new node at the top
- current = head;
- node.next = current;
- head = node;
+// //Add the new node at the top
+// current = head;
+// node.next = current;
+// head = node;
 
- length++;
- }
+// length++;
+// }
 
- //Pop the item from the stack
- this.pop = function(){
- let current = head;
+// //Pop the item from the stack
+// this.pop = function(){
+// let current = head;
 
- //If there is item then remove it 
- //and make the next element as the first
- if(current){
- let elm = current.element;
- current = current.next;
- head = current;
- length--;
- return elm;
- }
+// //If there is item then remove it 
+// //and make the next element as the first
+// if(current){
+// let elm = current.element;
+// current = current.next;
+// head = current;
+// length--;
+// return elm;
+// }
 
- return null; 
- }
+// return null; 
+// }
 
- //Return the first element in the stack
- this.peek = function(){ 
- if(head){ 
- return head.element;
- }
+// //Return the first element in the stack
+// this.peek = function(){ 
+// if(head){ 
+// return head.element;
+// }
 
- return null;
- }
+// return null;
+// }
+ 
+// //Convert the stack to an array
+// this.toArray = function(){
+// let arr = [];
+// let current = head;
+// while(current){
+// arr.push(current.element);
+// current = current.next;
+// }
+ 
+// return arr;
+// }
+ 
+// //Check if stack is empty
+// this.isEmpty = function(){
+// return length === 0;
+// }
+ 
+// //Return the size of the stack
+// this.size = function(){
+// return length;
+// }
 
- //Convert the stack to an array
- this.toArray = function(){
+// //Clear the stack
+// this.clear = function(){
+// head = null;
+// length = 0;
+// }
+ 
+// }
+class Node {
+ constructor(element) {
+ this.element = element;
+ this.next = null;
+ }
+}
+
+class Stack {
+ constructor() {
+ this.head = null; // Top of stack
+ this.length = 0; // Stack size
+ }
+
+ // Push element onto the stack
+ push(element) {
+ const node = new Node(element);
+ node.next = this.head;
+ this.head = node;
+ this.length++;
+ }
+
+ // Pop the top element from the stack
+ pop() {
+ if (this.isEmpty()) return null; // Handle empty stack
+
+ const poppedElement = this.head.element;
+ this.head = this.head.next;
+ this.length--;
+
+ return poppedElement;
+ }
+
+ // Peek at the top element without removing it
+ peek() {
+ return this.head ? this.head.element : null;
+ }
+
+ // Convert stack to an array (from top to bottom)
+ toArray() {
 let arr = [];
- let current = head;
- while(current){
+ let current = this.head;
+ while (current) {
 arr.push(current.element);
 current = current.next;
 }
- 
 return arr;
 }
- 
- //Check if stack is empty
- this.isEmpty = function(){
- return length === 0;
+
+ // Check if the stack is empty
+ isEmpty() {
+ return this.length === 0;
 }
- 
- //Return the size of the stack
- this.size = function(){
- return length;
+
+ // Return the size of the stack
+ size() {
+ return this.length;
 }
- 
- //Clear the stack
- this.clear = function(){
- head = null;
- length = 0;
+
+ // Clear the stack
+ clear() {
+ this.head = null;
+ this.length = 0;
 }
- 
 }
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