Add comments in Stack.js file

algorithms/JavaScript/src/stacks/stack.js

@@ -3,19 +3,23 @@ class Stack {
     this.items = [];
   }
 
+//creating push method
   push(element) {
     this.items.push(element);
   }
 
+//creating pop method
   pop() {
     return this.items.pop();
   }
 
+  //creating printStack method
   printStack() {
     console.log(this.items);
   }
 }
 
+//creating Stack object
 const stack = new Stack();
 stack.push(1);
 stack.push(2);

algorithms/JavaScript/src/stacks/stacks.js

@@ -0,0 +1,30 @@
+class Stack {
+    constructor() {
+      this.items = [];
+    }
+
+    push(element) {
+      this.items.push(element);
+    }
+
+    pop() {
+      return this.items.pop();
+    }
+
+    printStack() {
+      console.log(this.items);
+    }
+  }
+
+  const stack = new Stack();
+  stack.push(1);
+  stack.push(2);
+  stack.push(3);
+  stack.push(4);
+
+  stack.printStack();
+
+  console.log(stack.pop());
+
+  stack.printStack();
+