@@ -0,0 +1,38 @@
+//Language: Javascript
+//Author: Uddesh Jain
+//Github: https://github.com/UddeshJain
+class Queue {
+    constructor() {
+        this._storage = {}
+        this._length = 0
+        this._headIndex = 0
+    }
+    /* 
+    * Enqueues a new value at the end of the Queue
+    * @param {*} value - the value to enqueue
+    */
+    enqueue(value) {
+        if (value) {
+            this._storage[this._length + this._headIndex] = value
+            this._length++
+        }
+    }
+    /* 
+    * Dequeues the value from the begning of the Queue and return it
+   * @retuen {*} value - the first and oldest value in the Queue
+    */
+    dequeue() {
+        if (this._length) {
+            const firstValue = this._storage[this._headIndex]
+            delete this._storage[this._headIndex]
+            this._length--
+            this._headIndex++
+            return firstValue
+        }
+    }
+}
+
+const myQueue = new Queue()   // Creates new instance
+myQueue.enqueue('zero')       // Adds the value in the end of Queue
+myQueue.dequeue()             // Removes the value from first position of Queue
+myQueue.enqueue('Two')        // Adds the value in the end of Queue
@@ -0,0 +1,43 @@
+//Language: Javascript
+//Author: Uddesh Jain
+//Github: https://github.com/UddeshJain
+class Stack {
+    constructor() {
+        this._storage = {}
+        this._length = 0
+    }
+    /* 
+    * Adds a new value in the end of the Stack
+   * @param {*} value - the value to push
+    */
+    push(value) {
+        if (value) {
+            this._storage[this._length] = value
+            this._length++
+        }
+    }
+    /* 
+    * Removes the value at the end of stack and returns it
+   * @return {*} the last and newest value in the Stack
+    */
+    pop() {
+        if (this._length) {
+            const lastValue = this._storage[this._length - 1]
+            this._storage[this._length - 1] = undefined
+            this._length--
+            return lastValue
+        }
+    }
+    /* 
+    * Returns the value at the end of Stack without removing it 
+   * @return {*} the last and newest value in Stack
+    */
+    peek() {
+        return lastValue = this._storage[this._storage - 1]
+    }
+}
+
+const myStack = new Stack()      // Creates new instance
+myStack.push('First')           // Adds the value to the Stack
+myStack.pop()                   // Removes the last value in Stack
+myStack.peek()                 // Returns the last value in Stack