CodeYourFuture · youweb3 · Sep 23, 2022 · Sep 23, 2022 · Sep 23, 2022
diff --git a/1-exercises/A-undefined/exercise.js b/1-exercises/A-undefined/exercise.js
@@ -12,7 +12,7 @@
 // Example 1
 let a;
 console.log(a);
-
+//beacuse variable don't have value 
 
 // Example 2
 function sayHello() {
@@ -21,6 +21,7 @@ function sayHello() {
 
 let hello = sayHello();
 console.log(hello);
+//beacuse doesn't have return value
 
 
 // Example 3
@@ -29,8 +30,9 @@ function sayHelloToUser(user) {
 }
 
 sayHelloToUser();
-
+//don't have value
 
 // Example 4
 let arr = [1,2,3];
 console.log(arr[3]);
+//doesn't have i=3 beacuse first start with 0, 1 , 2
diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js
@@ -6,8 +6,17 @@
 */
 
 function evenNumbers(n) {
-    // TODO
+ let even = 0;
+ let arr = []
+ let i = 0;
+ while(i < n ){
+arr.push(even)
+even=even+2
+   i++
+ }
+ return arr.join(",")
 }
+console.log(evenNumbers(10))
 
 evenNumbers(3); // should output 0,2,4
 evenNumbers(0); // should output nothing

diff --git a/1-exercises/C-while-loop-with-array/exercise.js b/1-exercises/C-while-loop-with-array/exercise.js
@@ -18,6 +18,11 @@ const BIRTHDAYS = [
 
 function findFirstJulyBDay(birthdays) {
     // TODO
+    let i = 5;
+    while (i < birthdays.length){
+        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 even = 0;
+    do{
+        sum = sum + even
+        even= even +2;
+        i++
+    }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
@@ -10,5 +10,8 @@ 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 + i)); 
+    }
 }
 // The output shouldn't change.
diff --git a/1-exercises/E-for-loop/exercise2.js b/1-exercises/E-for-loop/exercise2.js
@@ -25,6 +25,9 @@ const AGES = [
     63,
     49
 ];
+for (let i = 0; i < AGES.length; i++){
+    console.log(`${WRITERS[i]} is ${AGES[i]} years old`);
+}
 
 // TODO - Write for loop code here
 

diff --git a/1-exercises/F-for-of-loop/exercise.js b/1-exercises/F-for-of-loop/exercise.js
@@ -10,7 +10,9 @@ let tubeStations = [
     "Oxford Street",
     "Tottenham Court Road"
 ];
-
+for(let item of tubeStations){
+    console.log(item)
+}
 
 // TODO Use a for-of loop to capitalise and output each letter in the string seperately.
 let str = "codeyourfuture";
diff --git a/2-mandatory/1-weather-report.js b/2-mandatory/1-weather-report.js
@@ -12,7 +12,12 @@
 */
 
 function getTemperatureReport(cities) {
-    // TODO
+    let citysList=[];
+    for (let city of cities) {
+    let cityTemp = temperatureService(city);
+    citysList.push(`The temperature in ${city} is ${cityTemp} degrees`);
+    }
+    return citysList;
 }
 
 
@@ -21,6 +26,7 @@ function getTemperatureReport(cities) {
 function temperatureService(city) {
     let temparatureMap  = new Map();
 
+
     temparatureMap.set('London', 10);
     temparatureMap.set('Paris', 12);
     temparatureMap.set('Barcelona', 17);

diff --git a/2-mandatory/2-retrying-random-numbers.js b/2-mandatory/2-retrying-random-numbers.js
@@ -11,6 +11,11 @@ function generateRandomNumber() {
 
 function getRandomNumberGreaterThan50() {
     // TODO - implement using a do-while loop
+    let number = 0;
+    do{
+        number = generateRandomNumber();
+    }while(number <= 50);
+    return number;
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */

diff --git a/2-mandatory/3-financial-times.js b/2-mandatory/3-financial-times.js
@@ -6,6 +6,7 @@
 */
 function potentialHeadlines(allArticleTitles) {
     // TODO
+
 }
 
 /*

diff --git a/3-extra/1-factorial.js b/3-extra/1-factorial.js
@@ -10,6 +10,10 @@
 
 function factorial(input) {
     // TODO
+    let result = 1;
+    for(let i= 1; i<=input; i++){
+        result* =i;
+    }
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */
-Original file line number
+Diff line change
@@ Expand Up / @@ -25,6 +25,9 @@ const AGES = [ @@
 ,
     ];
+    for (let i = 0; i < AGES.length; i++){
+        console.log(`${WRITERS[i]} is ${AGES[i]} years old`);
+    }
     // TODO - Write for loop code here
@@ Expand Down @@