updated all Sprint-3 files in the key errors, mandatory debug, mandatory implement and mandatory interpret folders

Author: Mugs3

Sprint-3/1-key-errors/0.js

@@ -2,7 +2,7 @@
 //  It would fail at line 2 with either syntax or reference errors =============> write your prediction here
 
 // call the function capitalise with a string input
-// interpret the error message and figure out why an error is occurring
+// interpret the error message and figure out why an error is occurring.
 
 function capitalise(str) {
   let str = `${str[0].toUpperCase()}${str.slice(1)}`;

Sprint-3/1-key-errors/1.js

@@ -17,7 +17,7 @@ console.log(decimalNumber);
 // decimalNumber has been declared as a function and a variable within function scope=============> write your explanation here
 //Removing const decimalNumber still returns Syntax error if still within the function scope so it's not restricted to the function
 
-// Finally, correct the code to fix the problem
+// Finally, correct the code to fix the problem.
 // =============> write your new code here
 
 function convertToPercentage(decimalNumber) {

Sprint-3/1-key-errors/2.js

@@ -10,7 +10,7 @@
 
 // Syntax errorError Unexpected number.=============> write the error message here
 
-// Means Function identifier should be a name not a number =============> explain this error message here
+// Means Function identifier should be a name not a number =============> explain this error message here.
 
 // Finally, correct the code to fix the problem
 

Sprint-3/2-mandatory-debug/0.js

@@ -1,4 +1,4 @@
-// Predict and explain first...
+// Predict and explain first....
 
 // Code will fail because a , b are not declared values or double function values=============> write your prediction here
 

Sprint-3/2-mandatory-debug/1.js

@@ -1,4 +1,4 @@
-// Predict and explain first...
+// Predict and explain first....
 //  =============> write your prediction here
 // I think code will run without an error although not entirely sure what the empty return; will return
 

Sprint-3/2-mandatory-debug/2.js

@@ -12,7 +12,7 @@ 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
+// Now run the code and compare the output to your prediction.
 // =============> write the output here
 // My prediction was close regarding line 10 as the value of num is not returned.
 // Explain why the output is the way it is

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

@@ -17,3 +17,9 @@
 function calculateBMI(weight, height) {
   // return the BMI of someone based off their weight and height
 }
+
+function calculateBMI(weight, height) {
+  return (weight / height).toFixed(1);
+}
+console.log(`the bmi of 70 and 2.99 is ${calculateBMI(70, 2.99)}`);
+console.log(`the bmi of 90 and 1.96 is ${calculateBMI(90, 1.96)}`);

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

@@ -14,3 +14,10 @@
 // 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 toUpperSnakeCase(text) {
+  return text.trim().replace(/\s+/g, "_").toUpperCase();
+}
+
+const result = toUpperSnakeCase("Hello there");
+console.log(result);

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

@@ -4,3 +4,45 @@
 // 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
+
+/* const penceString = "399p";
+
+const penceStringWithoutTrailingP = penceString.substring(
+  0,
+  penceString.length - 1
+);
+
+const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+const pounds = paddedPenceNumberString.substring(
+  0,
+  paddedPenceNumberString.length - 2
+);
+
+const pence = paddedPenceNumberString
+  .substring(paddedPenceNumberString.length - 2)
+  .padEnd(2, "0");
+
+console.log(`£${pounds}.${pence}`);*/
+
+// Revised code:
+function poundsToPence(penceString) {
+  const penceStringWithoutTrailingP = penceString.substring(
+    0,
+    penceString.length - 1,
+  );
+
+  const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+  const pounds = paddedPenceNumberString.substring(
+    0,
+    paddedPenceNumberString.length - 2,
+  );
+
+  const pence = paddedPenceNumberString
+    .substring(paddedPenceNumberString.length - 2)
+    .padEnd(2, "0");
+
+  return `£${pounds}.${pence}`;
+}
+console.log(poundsToPence("499p"));
+console.log(poundsToPence("1009p"));
+console.log(poundsToPence("2999p"));

Sprint-3/4-mandatory-interpret/time-format.js

@@ -22,17 +22,22 @@ function formatTimeDisplay(seconds) {
 
 // a) When formatTimeDisplay is called how many times will pad be called?
 // =============> write your answer here
+// Pad will be called 3 times because of the 3 arguments
 
 // Call formatTimeDisplay with an input of 61, now answer the following:
 
 // b) What is the value assigned to num when pad is called for the first time?
 // =============> write your answer here
+0;
 
 // c) What is the return value of pad when it is called for the first time?
 // =============> write your answer here
+0;
 
 // d) What is the value assigned to num when pad is called for the last time in this program?  Explain your answer
 // =============> write your answer here
+// The value is 1 because the last pad argument is remainingSeconds. So 61 as the given seconds - remaining seconds = 1
 
 // e) What is the return value of pad when it is called for the last time in this program?  Explain your answer
 // =============> write your answer here
+// The answer is 01 because of the final output for formatTimeDisplay(61) is 00:01:01. The assigned value of 1 with the length of 1, the numString = "0" + numString becomes 1