diff --git a/index.html b/index.html
index ef9a207..ee266bd 100644
--- a/index.html
+++ b/index.html
@@ -4,17 +4,19 @@
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@@ -33,22 +35,24 @@
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- The quickest of brown foxes.
+ The quickest of brown foxes.
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diff --git a/js/slide22.js b/js/slide22.js
index e69de29..58ca47e 100644
--- a/js/slide22.js
+++ b/js/slide22.js
@@ -0,0 +1,18 @@
+let userInput = "";
+
+do {
+ // Ask user to input
+
+ userInput = prompt("Enter an integer number");
+
+} while (!(userInput <= 0) && (userInput > 100));
+
+// function that calculate the square root of the value input by the user
+function name(userInput) {
+ let userSquareRoot = parseInt(userInput);
+ userSquareRoot = userSquareRoot * userSquareRoot; // user input squared.
+ return userSquareRoot;
+}
+
+// alert boc prints the value in a pop box on the user's browser
+alert("The number " + userInput + " squared " + " is " + name(userInput));
\ No newline at end of file
diff --git a/js/slide23.js b/js/slide23.js
index e69de29..433298a 100644
--- a/js/slide23.js
+++ b/js/slide23.js
@@ -0,0 +1,19 @@
+let userInput = prompt("Enter a number to print number interval." + "\n" + "Enter lower level");
+
+let userSecondInput = prompt("Enter the upper interval number");
+
+// called the function and printed the user values
+userNumberInterval();
+
+
+// function that check user input values and use for loop to print the values.
+function userNumberInterval() {
+ let str1 = parseInt(userInput);
+ let str2 = parseInt(userSecondInput);
+ for (let i = str1; i < str2; i++) {
+
+ console.log(i + " ");
+
+ }
+
+}
\ No newline at end of file
diff --git a/js/slide24.js b/js/slide24.js
index e69de29..b636362 100644
--- a/js/slide24.js
+++ b/js/slide24.js
@@ -0,0 +1,44 @@
+//Creat an array of integer.
+
+var myData = []; // create an undefined array
+
+
+// use a for loop to add values to the indices/ index.
+for (let i = 0; i < 10; i++) {
+ myData[i] = 1;
+
+}
+
+console.log(myData) // prints the value of all array element.
+
+myDataUpdate();
+
+
+function myDataUpdate() {
+
+ do {
+ var userIndex = prompt("Enter an index from the array above: ");
+ var str1 = parseInt(userIndex);
+ if (str1 > 10) {
+ console.log("Array out of bound");
+ break;
+
+ }
+
+ var userValue = prompt("Enter an index from the array above: ");
+ var str2 = parseInt(userValue);
+
+
+ for (let i = str1; i <= str1; i++) {
+
+ myData[str1] = str2;
+
+ }
+ var proceed = prompt("Do you want to continue: Y/N");
+
+ } while (!str1 > myData.length);
+
+}
+
+
+console.log("My Data " + myData);
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diff --git a/js/slide26.js b/js/slide26.js
index e69de29..ebe5844 100644
--- a/js/slide26.js
+++ b/js/slide26.js
@@ -0,0 +1,14 @@
+var fibonacci = [0, 1];
+
+// slide 26 assignment.
+let result = 0;
+let thirdNumber = fibonacci[0];
+let fourthNumber = fibonacci[1];
+
+for (let i = 0; i < 10; i++) {
+ result = thirdNumber + fourthNumber;
+ console.log(result);
+ thirdNumber = fourthNumber;
+ fourthNumber = result;
+
+}
\ No newline at end of file