diff --git a/index.html b/index.html
index 53e29ed..b3f0fdb 100644
--- a/index.html
+++ b/index.html
@@ -8,6 +8,9 @@
 <body>
     <h1>LAB | JS Data Types</h1>
     <br />
+    <p style="font-size: 30px;" id="demo"></p>
+    <p style="font-size: 30px;" id="demo1"></p>
+    <p style="font-size: 30px;" id="demo2"></p>
     <br />
     <p> Open the <a href="https://developer.chrome.com/docs/devtools/open/">Dev Tools console</a> to see the console output.</p>
 
diff --git a/index.js b/index.js
index 294f6b2..e88251d 100644
--- a/index.js
+++ b/index.js
@@ -6,9 +6,12 @@ const s2 = "fed";
 const s3 = "Ted";
 const s4 = "bread";
 const s5 = "and";
+let tongueTwister = s1+' '+s2+' '+s3+' '+s4+' '+s5+' '+s3+' '+s2+' '+s1+' '+s4;
 
 // Concatenate the string variables into one new string
-
+console.log(tongueTwister);
+console.log(typeof tongueTwister);
+document.getElementById('demo').innerHTML = tongueTwister;
 
 // Print out the concatenated string
 
@@ -22,6 +25,12 @@ const part1 = "java";
 const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
+let letterA = part1.slice(3);
+let result = part1.slice(0,-1)+letterA.toUpperCase()+part2.slice(0,-1)+part2.slice(5).toUpperCase();
+
+
+document.getElementById('demo1').innerHTML = result;
+console.log(result);
 
 
 // Print the cameLtaiL-formatted string
@@ -33,6 +42,10 @@ const part2 = "script";
     Iteration 2.1 | Calculate Tip
 *******************************************/
 const billTotal = 84;
+let tipAmount = billTotal*0.15+'$';
+console.log(tipAmount);
+document.getElementById('demo2').innerHTML = tipAmount;
+
 
 // Calculate the tip (15% of the bill total)
 
@@ -47,6 +60,10 @@ const billTotal = 84;
 *******************************************/
 
 // Generate a random integer between 1 and 10 (inclusive)
+let numberRandom;
+numberRandom =Math.floor(Math.random()*11)
+console.log(numberRandom)
+document.getElementById('demo2').innerHTML = numberRandom;
 
 
 // Print the generated random number
@@ -62,15 +79,22 @@ const b = false;
 
 // Try and guess the output of the below expressions first and write your answers down:
 const expression1 = a && b;
+console.log(expression1);
 
 const expression2 = a || b;
+console.log(expression2);
 
 const expression3 = !a && b;
+console.log(expression3);
 
 const expression4 = !(a && b);
+console.log(expression4);
 
 const expression5 = !a || !b;
+console.log(expression5);
 
 const expression6 = !(a || b);
+console.log(expression6);
 
-const expression7 = a && a;
\ No newline at end of file
+const expression7 = a && a;
+console.log(expression7);
\ No newline at end of file
