Added reverse stack implementation in javascript

code/data_structures/src/stack/reverse_stack/reverse_stack.js

@@ -0,0 +1,51 @@
+/**
+ * Part of Cosmos by OpenGenus Foundation
+ */
+
+function Stack() {
+  this.stack = [];
+
+  this.pop = function () {
+    this.stack.pop();
+  };
+
+  this.push = function (el) {
+    this.stack.push(el);
+  };
+
+  this.peek = function () {
+    return this.stack[this.stack.length - 1];
+  };
+
+  this.isEmpty = function () {
+    return this.stack.length == 0;
+  };
+
+  this.reverse = function () {
+    if (this.isEmpty()) {
+      console.log("The stack is empty");
+
+      return;
+    }
+
+    this.stack.reverse();
+  };
+
+  this.print = function () {
+    console.log(this.stack);
+  };
+}
+
+const stack = new Stack();
+const items = [1, 2, 3, 4];
+for (let i of items) {
+  stack.push(i);
+}
+
+console.log("\nCurrent Stack");
+console.log("===============");
+stack.print();
+console.log("\nReversed Stack");
+console.log("===============");
+stack.reverse();
+stack.print();