CodeYourFuture · chifambawalter · Jul 21, 2022
diff --git a/1-exercises/A-undefined/exercise.js b/1-exercises/A-undefined/exercise.js
@@ -12,11 +12,13 @@
 // Example 1
 let a;
 console.log(a);
+// variable is declared but has no assigned value
 
 
 // Example 2
 function sayHello() {
     let message = "Hello";
+    //return "hello"; instead of assigning a variable
 }
 
 let hello = sayHello();
@@ -26,6 +28,7 @@ console.log(hello);
 // Example 3
 function sayHelloToUser(user) {
     console.log(`Hello ${user}`);
+    //console.log(`Hello ${'walter'}`); nothing was passed in the function
 }
 
 sayHelloToUser();
@@ -34,3 +37,5 @@ sayHelloToUser();
 // Example 4
 let arr = [1,2,3];
 console.log(arr[3]);
+// console.log(arr[2])
+// the array runs from index 0 -2
diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js
@@ -6,9 +6,18 @@
 */
 
 function evenNumbers(n) {
-    // TODO
+    let i = 0;
+    let numberList = [];
+    while (numberList.length < n){
+        if (i % 2 === 0){
+            numberList.push(i);
+        }
+        i++
+    }
+    console.log(numberList.toString())
 }
 
+
 evenNumbers(3); // should output 0,2,4
 evenNumbers(0); // should output nothing
 evenNumbers(10); // should output 0,2,4,6,8,10,12,14,16,18
diff --git a/1-exercises/C-while-loop-with-array/exercise.js b/1-exercises/C-while-loop-with-array/exercise.js
@@ -17,7 +17,14 @@ const BIRTHDAYS = [
 ];
 
 function findFirstJulyBDay(birthdays) {
-    // TODO
+    let lengthArr = birthdays.length;
+    i = 0;
+    while(i < lengthArr){
+        if(birthdays[i].includes("July")){
+            return birthdays[i];
+        }
+        i++;
+    }
 }
 
 console.log(findFirstJulyBDay(BIRTHDAYS)); // should output "July 11th"
diff --git a/1-exercises/D-do-while/exercise.js b/1-exercises/D-do-while/exercise.js
@@ -7,7 +7,16 @@
 */
 
 function evenNumbersSum(n) {
-    // TODO
+    let sum = 0;
+    let i = 0;
+     let num = 0;
+
+    do{
+        sum = sum + num ;
+        num = num + 2;
+        i = i + 1;
+    } while (i < n);
+        return sum;
 }
 
 console.log(evenNumbersSum(3)); // should output 6

diff --git a/1-exercises/E-for-loop/exercise1.js b/1-exercises/E-for-loop/exercise1.js
@@ -6,9 +6,13 @@
 
 
 // Change the below code to use a for loop instead of a while loop.
-let i = 0;
-while(i < 26) {
-    console.log(String.fromCharCode(97 + i));
-    i++;
+// let i = 0;
+// while(i < 26) {
+//     console.log(String.fromCharCode(97 + i));
+//     i++;
+// }
+
+for (let i = 0; i < 26; i++){
+     console.log(String.fromCharCode(97 + 1));
 }
 // The output shouldn't change.
diff --git a/1-exercises/E-for-loop/exercise2.js b/1-exercises/E-for-loop/exercise2.js
@@ -28,6 +28,10 @@ const AGES = [
 
 // TODO - Write for loop code here
 
+
+ for (let i = 0; i < WRITERS.length; i++) {
+    console.log(`${WRITERS[i]} is ${AGES[i]} years old` );
+ }
 /*
 The output should look something like this: