Glasgow class 6- Yesna Omar- JavaScript- week 2

extra/1-factorial.js

@@ -10,8 +10,20 @@
 
 function factorial(input) {
   // TODO
+  if (input < 0) 
+        return -1;
+  else if (input == 0) 
+      return 1;
+  else {
+      return (input * factorial(input - 1));
+  }
+
+
 }
 
+
+//npm test -- --testPathPattern 1-factorial
+
 /* ======= TESTS - DO NOT MODIFY ===== */
 
 describe("factorial", () => {

mandatory/1-fix-functions.js

@@ -10,9 +10,7 @@
 
 */
 
-function getMood() {
-  let isHappy = true;
-
+function getMood(isHappy) {
   if (isHappy) {
     return "I am happy";
   } else {
@@ -21,15 +19,14 @@ function getMood() {
 }
 
 function greaterThan10(num) {
-  let isBigEnough;
-
-  if (isBigEnough) {
+  num == 10;
+  if (num > 10) {
     return "num is greater than 10";
   } else {
     return "num is not big enough";
   }
 }
-
+//npm test -- --testPathPattern 1-fix-function
 /* ======= TESTS - DO NOT MODIFY ===== */
 
 describe("getMood", () => {

mandatory/2-function-creation.js

@@ -4,7 +4,14 @@
     1. the user should be 18 or older
     2. the user must be logged in
 */
-function isAcceptableUser(userAge, isLoggedIn) {}
+function isAcceptableUser(userAge, isLoggedIn) {
+  userAge == 18;
+  if(userAge >= 18 && isLoggedIn){
+    return true;
+  }else{
+    return false;
+  }
+}
 
 /*
   Complete the function to apply discount percent based on how much is totalPrice in user cart.
@@ -15,26 +22,59 @@ function isAcceptableUser(userAge, isLoggedIn) {}
     is applieds and 142.5 should be returned)
 */
 
-function applyDiscount(totalPrice) {}
+function applyDiscount(totalPrice, discount) {
+  if (totalPrice >200) {
+    total= totalPrice-(totalPrice*0.1);
+    return total;
+  } else if (totalPrice < 200){
+    total=totalPrice-(totalPrice*0.05);
+    return total;
+  }
+}
 
 /*
   Complete the function to print to the console the odd numbers between 1 and limit (use a while loop):
   */
-function printOddNumbers(limit) {}
+function printOddNumbers(limit) {
+let count = 1;
+while(count<=limit){
+if(count %2 == 1){
+  console.log(count);
+}
+count++
+}
+
+}
 
 /*
   Complete the buyTwoGetTheCheapestFree function: if user buys two items, the cheapest item will be free!
   The function should return the price to be paid once the discount is applied.
 */
-function buyTwoGetTheCheapestFree(price1, price2) {}
+function buyTwoGetTheCheapestFree(price1, price2) {
+
+  if (price1>price2) {
+    return price1;
+  } else {
+    return price2;
+  }
+
+}
 
 /*
   Complete the function to determine if it is suitable for a person to register based on their age!
   - if the person is 12 or younger it should return "You Are Too Young To Register"
   - if the person is older than 12 and younger than 90 it should return "You Can Register"
   - if the person is 90 or older it should return "You Don't Need To Register"
 */
-function canRegister(age) {}
+function canRegister(age) {
+  if (age <= 12) {
+    return "You Are Too Young To Register"
+  } else if(age > 12 && age <90){
+    return "You Can Register"
+  } else {
+    return "You Don't Need To Register"
+  }
+}
 
 /*
   Complete the function so that it prints out to the console numbers in reverse order starting at
@@ -45,7 +85,15 @@ function canRegister(age) {}
   )
 */
 
-function countReverse(number) {}
+function countReverse(number) {
+    while( number >= 1){
+
+    console.log(number);
+    number--;
+    }
+
+}
+//npm test -- --testPathPattern 2-function-creation
 
 /* ======= TESTS - DO NOT MODIFY ===== */
 

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "test": "jest"
   },
-    "jest": {
+  "jest": {
     "projects": [
       {
         "displayName": "mandatory",