predicting the result and correcting the error

Author: Abrsh100

Sprint-2/2-mandatory-debug/1.js

@@ -1,13 +1,20 @@
 // Predict and explain first...
 //  =============> write your prediction here
+/* The code will give us the sum of 10 and 32 which will be " The sum of 10 and 32 is 42" */
 
-function sum(a, b) {
+/*function sum(a, b) {
   return;
   a + b;
 }
 
-console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
+console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);*/
 
 // =============> write your explanation here
+/* the call of the function gives undefine result. the reason for this is the semicolon after return which shouldn't be placed there.
 // Finally, correct the code to fix the problem
-//  =============> write your new code here
+//  =============> write your new code here */
+function sum(a, b) {
+  return a + b;
+}
+
+console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);

Sprint-2/2-mandatory-debug/2.js

@@ -2,8 +2,12 @@
 
 // Predict the output of the following code:
 // =============> Write your prediction here
+/* I predict that the three call are giving 
+The last digit of 42 is 2
+The last digit of 105 is 5
+The last digit of 806 is 6    */
 
-const num = 103;
+/*const num = 103;
 
 function getLastDigit() {
   return num.toString().slice(-1);
@@ -12,13 +16,25 @@ function getLastDigit() {
 console.log(`The last digit of 42 is ${getLastDigit(42)}`);
 console.log(`The last digit of 105 is ${getLastDigit(105)}`);
 console.log(`The last digit of 806 is ${getLastDigit(806)}`);
-
+ */
 // Now run the code and compare the output to your prediction
 // =============> write the output here
+/* The last digit of 42 is 3
+   The last digit of 105 is 3
+   The last digit of 806 is 3  */
 // Explain why the output is the way it is
 // =============> write your explanation here
+/* because the num is determined at fires and 103 is given to the num. as a result we see the same result.*/
 // Finally, correct the code to fix the problem
 // =============> write your new code here
 
+function getLastDigit(num) {
+  return num.toString().slice(-1);
+}
+
+console.log(`The last digit of 42 is ${getLastDigit(42)}`);
+console.log(`The last digit of 105 is ${getLastDigit(105)}`);
+console.log(`The last digit of 806 is ${getLastDigit(806)}`);
+
 // This program should tell the user the last digit of each number.
 // Explain why getLastDigit is not working properly - correct the problem

Sprint-2/3-mandatory-implement/1-bmi.js

@@ -14,6 +14,9 @@
 // Then when we call this function with the weight and height
 // It should return their Body Mass Index to 1 decimal place
 
-function calculateBMI(weight, height) {
+function calculateBMI(weight, height) { 
+    const bmi= weight/ (height*height)
+    return bmi.toFixed(1);
     // return the BMI of someone based off their weight and height
-}
+}
+console.log(calculateBMI(86,1.70));

Sprint-2/3-mandatory-implement/2-cases.js

@@ -14,3 +14,9 @@
 // You will need to come up with an appropriate name for the function
 // Use the MDN string documentation to help you find a solution
 // This might help https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase
+function toUpperCase(text) {
+    return text.toUpperCase();
+}
+
+console.log(toUpperCase("hello there"));
+console.log(toUpperCase("lord of the ring"));

Sprint-2/3-mandatory-implement/3-to-pounds.js

@@ -4,3 +4,14 @@
 // You will need to declare a function called toPounds with an appropriately named parameter.
 
 // You should call this function a number of times to check it works for different inputs
+function toPounds(pennies) {
+    const pounds = pennies / 100;
+    return pounds.toFixed(2); 
+}
+
+// calling the function to make sure it works
+console.log(toPounds(32391));   
+console.log(toPounds(3239));    
+console.log(toPounds(323)); 
+console.log(toPounds(32));
+console.log(toPounds(3));