diff --git a/index.html b/index.html
index ef9a207..d672661 100644
--- a/index.html
+++ b/index.html
@@ -11,8 +11,8 @@
   <meta name="author" content="">
 
   <link href="./css/style.css" rel="stylesheet">
-  <script type="text/javascript" src="./js/header-functions.js"></script>
-  <script type="text/javascript" src="./js/slide22.js"></script>
+ <!--script type="text/javascript" src="./js/header-functions.js"></script-->
+  <script type="text/javascript" src="./js/slide26.js"></script>
 
 </head> <!-- header ends here -->
 <!-- ----------------------------------------------------------------- -->
@@ -45,7 +45,7 @@
   <!-- ====================================================== -->
   <footer>
     <!-- footer of page begins here -->
-    <script type="text/javascript" src="./js/footer-functions.js"></script>
+    <!--<script type="text/javascript" src="./js/footer-functions.js"></script>-->
   </footer> <!-- footer of page ends here -->
   <!-- ====================================================== -->
   <!-- ====================================================== -->
diff --git a/js/slide22.js b/js/slide22.js
index e69de29..fbcdaca 100644
--- a/js/slide22.js
+++ b/js/slide22.js
@@ -0,0 +1,27 @@
+let userinput = null;
+let output = null;
+
+while(true){
+    userinput = prompt("enter number");
+    if (userinput <= 0)
+    {
+        continue;
+    }
+    else if (userinput >=100)
+    {
+        continue;
+    }
+    else if (userinput >0 && userinput<100)
+    {
+       
+       
+        output = userinput*userinput;
+        console.log(output);
+        
+        break;
+        
+    }
+
+
+    
+}
diff --git a/js/slide23.js b/js/slide23.js
index e69de29..5977429 100644
--- a/js/slide23.js
+++ b/js/slide23.js
@@ -0,0 +1,28 @@
+
+
+    let rangestart = "";
+    let rangestop = "";
+    let output = "";
+    
+
+
+    {
+     rangestart =  prompt("Enter range start number");
+     {
+         rangestop = prompt("Enter range stop number");
+         for(let i = rangestart; i <= rangestop-1; i++) 
+         {
+             output+=i + " ";
+         
+         }
+         console.log(output);   
+             
+         
+     }
+     
+}
+    
+
+
+
+
diff --git a/js/slide24.js b/js/slide24.js
index e69de29..b723cf9 100644
--- a/js/slide24.js
+++ b/js/slide24.js
@@ -0,0 +1,40 @@
+let myData=Array(10);
+let i ="";
+let v ="";
+
+
+
+console.log(myData.length);
+
+for(let i=0; i<myData.length; i++){
+    myData[i]=1;
+}
+    console.log(myData);
+
+    i=prompt("Enter cell index")
+    {
+        v=prompt("Enter new value")
+        if (i>=0 && i<10)
+        {
+            myData[i] = v;
+            console.log(myData);
+            
+        }
+    }
+    
+        
+        
+        
+
+
+
+
+    
+   
+        
+           
+        
+         
+      
+     
+    
\ No newline at end of file
diff --git a/js/slide25.js b/js/slide25.js
index e69de29..53cb243 100644
--- a/js/slide25.js
+++ b/js/slide25.js
@@ -0,0 +1,39 @@
+let myData=Array(10);
+let i ="";
+let v ="";
+
+
+
+console.log(myData.length);
+
+for(let i=0; i<myData.length; i++){
+    myData[i]=1;
+}
+    console.log(myData);
+for(let j =0; j<myData.length; j++)
+{
+    i=prompt("Enter cell index")
+    {
+        v=prompt("Enter new value")
+        
+        
+     if(i>=0 && i<10)
+        {
+            myData[i] = v;
+            console.log(myData);
+            
+        }
+        if (i<0)
+        {
+            break;
+            
+        }
+        if (i>9)
+        {
+            break;
+            
+        }
+        
+    }
+}
+    
\ No newline at end of file
diff --git a/js/slide26.js b/js/slide26.js
index e69de29..2359d2e 100644
--- a/js/slide26.js
+++ b/js/slide26.js
@@ -0,0 +1,17 @@
+var someInteger =0
+
+function fibonacci(someInteger){
+    if(someInteger == 0){
+        return 0;
+    }
+    if(someInteger == 1) {
+        return 1;
+    }
+    return fibonacci(someInteger-1) + fibonacci(someInteger-2);
+
+}
+
+
+for(let i=0; i<59; i++){
+    console.log(fibonacci(i));
+}
\ No newline at end of file