London 9 -Tuan Nguyen-JS-core1-week2

mandatory/1-fix-functions.js

@@ -10,20 +10,20 @@
 
 */
 
-function getMood() {
-  let isHappy = true;
+function getMood(isHappy) {
+  //let isHappy = true;
 
-  if (isHappy) {
+  if (isHappy === true) {
     return "I am happy";
   } else {
     return "I am not happy";
   }
 }
 
 function greaterThan10(num) {
-  let isBigEnough;
+  let isBigEnough=num;
 
-  if (isBigEnough) {
+  if (isBigEnough >10) {
     return "num is greater than 10";
   } else {
     return "num is not big enough";

mandatory/2-function-creation.js

@@ -4,7 +4,13 @@
     1. the user should be 18 or older
     2. the user must be logged in
 */
-function isAcceptableUser(userAge, isLoggedIn) {}
+function isAcceptableUser(userAge, isLoggedIn) {
+  if(userAge >18 && isLoggedIn === true){
+   return true;
+  }else{
+    return false;
+  };
+};
 
 /*
   Complete the function to apply discount percent based on how much is totalPrice in user cart.
@@ -15,26 +21,55 @@ function isAcceptableUser(userAge, isLoggedIn) {}
     is applieds and 142.5 should be returned)
 */
 
-function applyDiscount(totalPrice) {}
+function applyDiscount(totalPrice) {
+  if (totalPrice>200){
+   return totalPrice-totalPrice*10/100;
+  }else{
+    return totalPrice-totalPrice*5/100;
+  }
+}
 
 /*
   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 i=1;
+  while(i < limit){
+    if (i%2===1){
+      console.log(i);
+    };
+    i++;
+  };
+
+}
 
 /*
   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 <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 +80,12 @@ function canRegister(age) {}
   )
 */
 
-function countReverse(number) {}
+function countReverse(number) {
+  while (number >0){
+    console.log(number);
+  };
+  number=number-1;
+};
 
 /* ======= TESTS - DO NOT MODIFY ===== */