From 46d1dd2de6f54f940a3551b36a13f0fbda518f09 Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Mon, 14 Jul 2025 23:41:34 +0000
Subject: [PATCH 01/17] ignores local vscode configurations

---
 .gitignore | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index bde36e530..925c16180 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 node_modules
 .DS_Store
 .vscode
-**/.DS_Store
\ No newline at end of file
+**/.DS_Store
+**/runme.md
+.devcontainer/
\ No newline at end of file

From 4438f2d90e9d0a22470371cd52b720abd98b8e2a Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Wed, 16 Jul 2025 17:00:40 +0000
Subject: [PATCH 02/17] docs(errors-0): Predict and explain error in capitalise
 function

---
 Sprint-2/1-key-errors/0.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Sprint-2/1-key-errors/0.js b/Sprint-2/1-key-errors/0.js
index 653d6f5a0..89e64d98f 100644
--- a/Sprint-2/1-key-errors/0.js
+++ b/Sprint-2/1-key-errors/0.js
@@ -1,5 +1,5 @@
 // Predict and explain first...
-//  =============> write your prediction here
+//  =============> Capatlises the first letter of a string.
 
 // call the function capitalise with a string input
 // interpret the error message and figure out why an error is occurring
@@ -9,5 +9,8 @@ function capitalise(str) {
   return str;
 }
 
-// =============> write your explanation here
-// =============> write your new code here
+// =============> The variable 'str' is being declared twice, once as a parameter and again with 'let' resulting in a syntax error.
+// =============> function capitalise(str) {
+// =============>   let word = `${str[0].toUpperCase()}${str.slice(1)}`;
+// =============>   return word;
+// =============> }

From 22e00ee7b9db079fb67e671de91b0ef0b8d0d33d Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Wed, 16 Jul 2025 17:02:32 +0000
Subject: [PATCH 03/17] docs(errors-0): Predict and explain error in capitalise
 function

---
 Sprint-2/1-key-errors/0.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/1-key-errors/0.js b/Sprint-2/1-key-errors/0.js
index 89e64d98f..463e9a64a 100644
--- a/Sprint-2/1-key-errors/0.js
+++ b/Sprint-2/1-key-errors/0.js
@@ -1,15 +1,15 @@
 // Predict and explain first...
-//  =============> Capatlises the first letter of a string.
+//  =============> Capitalises the first letter of a string.
 
-// call the function capitalise with a string input
-// interpret the error message and figure out why an error is occurring
+// Call the function capitalise with a string input.
+// Interpret the error message and work out why an error is occurring.
 
 function capitalise(str) {
   let str = `${str[0].toUpperCase()}${str.slice(1)}`;
   return str;
 }
 
-// =============> The variable 'str' is being declared twice, once as a parameter and again with 'let' resulting in a syntax error.
+// =============> The variable 'str' is being declared twice, once as a parameter and again with 'let', resulting in a syntax error.
 // =============> function capitalise(str) {
 // =============>   let word = `${str[0].toUpperCase()}${str.slice(1)}`;
 // =============>   return word;

From c1fb2836ec1abbbca70253796cca4c2fc5079805 Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Wed, 16 Jul 2025 17:37:58 +0000
Subject: [PATCH 04/17] docs(key-errors-1): Clarify explanations regarding
 variable redeclaration and scope errors.

---
 Sprint-2/1-key-errors/1.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/Sprint-2/1-key-errors/1.js b/Sprint-2/1-key-errors/1.js
index f2d56151f..202265206 100644
--- a/Sprint-2/1-key-errors/1.js
+++ b/Sprint-2/1-key-errors/1.js
@@ -1,7 +1,7 @@
 // Predict and explain first...
 
 // Why will an error occur when this program runs?
-// =============> write your prediction here
+// =============> Due to the redeclaration of the variable 'decimalNumber' within the function.
 
 // Try playing computer with the example to work out what is going on
 
@@ -14,7 +14,12 @@ function convertToPercentage(decimalNumber) {
 
 console.log(decimalNumber);
 
-// =============> write your explanation here
+// =============> Given that 'decimalNumber' is declared as a parameter, it should not be redeclared with 'const' inside the function. This will lead to a syntax error because you cannot declare a variable with the same name in the same scope.
+// =============> console.log(decimalNumber); causes an error because 'decimalNumber' is not defined in the global scope, it is only defined within the function.
 
 // Finally, correct the code to fix the problem
-// =============> write your new code here
+// =============> function convertToPercentage(decimalNumber) {
+// =============>   const percentage = `${decimalNumber * 100}%`;
+// =============>   return percentage;
+// =============> }
+// =============> console.log(convertToPercentage(0.5));

From 7284a1feb5d768c815757511118ac60e5b110aa6 Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Wed, 16 Jul 2025 17:56:48 +0000
Subject: [PATCH 05/17] docs(key-errors): cCarify error explanation in square
 function example.

---
 Sprint-2/1-key-errors/2.js | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/Sprint-2/1-key-errors/2.js b/Sprint-2/1-key-errors/2.js
index aad57f7cf..c065ae7ab 100644
--- a/Sprint-2/1-key-errors/2.js
+++ b/Sprint-2/1-key-errors/2.js
@@ -3,18 +3,18 @@
 
 // this function should square any number but instead we're going to get an error
 
-// =============> write your prediction of the error here
+// =============> The function `square` will throw an error because the parameter `3` is not a valid variable name.
 
 function square(3) {
     return num * num;
 }
 
-// =============> write the error message here
+// =============> SyntaxError: Unexpected number
 
-// =============> explain this error message here
+// =============> The error occurs when attempting to declare a function with a numeric parameter, which is not permitted.
 
 // Finally, correct the code to fix the problem
 
-// =============> write your new code here
-
-
+// =============> function square(num) {
+// =============>     return num * num;
+// =============> }

From a0442d0517d41d82c4c3fdf427d5367f84f2f09c Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Thu, 17 Jul 2025 13:56:43 +0000
Subject: [PATCH 06/17] fix(0.js): Correct multiply function to return value

---
 Sprint-2/2-mandatory-debug/0.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index b27511b41..55b5cc24c 100644
--- a/Sprint-2/2-mandatory-debug/0.js
+++ b/Sprint-2/2-mandatory-debug/0.js
@@ -1,6 +1,6 @@
 // Predict and explain first...
 
-// =============> write your prediction here
+// Prediction: The program will first print `320` to the console and then print `The result of multiplying 10 and 32 is undefined`.
 
 function multiply(a, b) {
   console.log(a * b);
@@ -8,7 +8,11 @@ function multiply(a, b) {
 
 console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
-// =============> write your explanation here
+// Explanation: The `multiply` function uses `console.log(a * b)` to display the product but does not explicitly return any value. In JavaScript, functions without a `return` statement implicitly return `undefined`. Therefore, when `multiply(10, 32)` is called within the `console.log` statement, it logs `320` and then returns `undefined`, which is then used in the string interpolation.
 
 // Finally, correct the code to fix the problem
-//  =============> write your new code here
+// New Code:
+// function multiply(a, b) {
+//   return a * b;
+// }
+// console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);

From fd5e2b5a85cf1c2b4ba5923e4da6dc8a862002c2 Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Thu, 17 Jul 2025 14:21:00 +0000
Subject: [PATCH 07/17] fix(0.js): Correct multiply function to return value

---
 Sprint-2/2-mandatory-debug/0.js | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index 55b5cc24c..8f025a02a 100644
--- a/Sprint-2/2-mandatory-debug/0.js
+++ b/Sprint-2/2-mandatory-debug/0.js
@@ -1,6 +1,10 @@
 // Predict and explain first...
 
-// Prediction: The program will first print `320` to the console and then print `The result of multiplying 10 and 32 is undefined`.
+// =============> write your prediction here
+// The console will output two lines.
+//    1. `320` (from inside the multiply function)
+//    2. Second line: `The result of multiplying 10 and 32 is undefined`
+// This is because the `multiply` function logs the result but does not return it, as functions that do not explicitly return a value return `undefined` by default.
 
 function multiply(a, b) {
   console.log(a * b);
@@ -8,11 +12,14 @@ function multiply(a, b) {
 
 console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
-// Explanation: The `multiply` function uses `console.log(a * b)` to display the product but does not explicitly return any value. In JavaScript, functions without a `return` statement implicitly return `undefined`. Therefore, when `multiply(10, 32)` is called within the `console.log` statement, it logs `320` and then returns `undefined`, which is then used in the string interpolation.
+// =============> write your explanation here
+// The bug occurs because the `multiply` function uses `console.log()` to display the result instead of using the `return` keyword.
+// When the function call is placed inside the template literal, it resolves to its return value, which is `undefined`.
 
 // Finally, correct the code to fix the problem
-// New Code:
-// function multiply(a, b) {
-//   return a * b;
-// }
-// console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
+//  =============> write your new code here
+function multiplyFixed(a, b) {
+  return a * b;
+}
+
+console.log(`The result of multiplying 10 and 32 is ${multiplyFixed(10, 32)}`);

From a215a26fb6d0587c9a91cd8dbfac2074a4021102 Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Thu, 17 Jul 2025 14:21:36 +0000
Subject: [PATCH 08/17] fix(0.js): Correct multiply function to return value

---
 Sprint-2/2-mandatory-debug/0.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index 8f025a02a..9989d7db0 100644
--- a/Sprint-2/2-mandatory-debug/0.js
+++ b/Sprint-2/2-mandatory-debug/0.js
@@ -3,7 +3,7 @@
 // =============> write your prediction here
 // The console will output two lines.
 //    1. `320` (from inside the multiply function)
-//    2. Second line: `The result of multiplying 10 and 32 is undefined`
+//    2. `The result of multiplying 10 and 32 is undefined`
 // This is because the `multiply` function logs the result but does not return it, as functions that do not explicitly return a value return `undefined` by default.
 
 function multiply(a, b) {

From 3ec1c22210dc880f6cb97f8b4ef1590d3a4b7a83 Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Thu, 17 Jul 2025 14:33:01 +0000
Subject: [PATCH 09/17] fix(1.js): correct sum function to return proper result
 and add explanation

---
 Sprint-2/2-mandatory-debug/1.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Sprint-2/2-mandatory-debug/1.js b/Sprint-2/2-mandatory-debug/1.js
index 37cedfbcf..d9d2db4b3 100644
--- a/Sprint-2/2-mandatory-debug/1.js
+++ b/Sprint-2/2-mandatory-debug/1.js
@@ -1,5 +1,7 @@
 // Predict and explain first...
 //  =============> write your prediction here
+// The output should be `The sum of 10 and 32 is undefined` given that the `return;` statement is on a line by itself before the actual calculation.
+// This should cause the function to exit and return `undefined`.
 
 function sum(a, b) {
   return;
@@ -9,5 +11,14 @@ function sum(a, b) {
 console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
 
 // =============> write your explanation here
+// The `return` keyword immediately stops the execution of a function and returns a value.
+// Here, `return;` is called without a value, so the function exits and returns `undefined`.
+// As a result, the line `a + b;` is never executed.
+
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+function sumFixed(a, b) {
+  return a + b;
+}
+
+console.log(`The sum of 10 and 32 is ${sumFixed(10, 32)}`);

From 28d8815c2d704f78d1f1a18965d52a633e107d77 Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Thu, 17 Jul 2025 15:17:31 +0000
Subject: [PATCH 10/17] fix(mandatory-debug): update getLastDigit to use
 parameter instead of global variable

---
 Sprint-2/2-mandatory-debug/2.js | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/2.js b/Sprint-2/2-mandatory-debug/2.js
index 57d3f5dc3..b87e47b48 100644
--- a/Sprint-2/2-mandatory-debug/2.js
+++ b/Sprint-2/2-mandatory-debug/2.js
@@ -2,6 +2,8 @@
 
 // Predict the output of the following code:
 // =============> Write your prediction here
+// The output will be the same, `3`, for all three calls.
+// This is because the function ignores its input parameter and always operates on the global constant `num`.
 
 const num = 103;
 
@@ -15,10 +17,22 @@ 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
+// The function `getLastDigit` is defined without any parameters, so it cannot use the numbers (42, 105, 806) being passed to it.
+// Instead the function accesses the global constant `num` (which is 103) every time it is called.
+// Therefore, it always resolves the last digit of 103, which is '3'.
+
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+function getLastDigitFixed(inputNumber) {
+  return inputNumber.toString().slice(-1);
+}
 
-// This program should tell the user the last digit of each number.
-// Explain why getLastDigit is not working properly - correct the problem
+console.log(`The last digit of 42 is ${getLastDigitFixed(42)}`);
+console.log(`The last digit of 105 is ${getLastDigitFixed(105)}`);
+console.log(`The last digit of 806 is ${getLastDigitFixed(806)}`);

From 1d04ae1bb9e57b2d1f8e3a447d4207cd9e1b2b6e Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Thu, 17 Jul 2025 20:21:08 +0000
Subject: [PATCH 11/17] fix(errors): correct invalid function parameter name in
 square function

---
 Sprint-2/1-key-errors/2.js | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/Sprint-2/1-key-errors/2.js b/Sprint-2/1-key-errors/2.js
index c065ae7ab..9963c6c33 100644
--- a/Sprint-2/1-key-errors/2.js
+++ b/Sprint-2/1-key-errors/2.js
@@ -1,20 +1,26 @@
-
 // Predict and explain first BEFORE you run any code...
 
 // this function should square any number but instead we're going to get an error
 
-// =============> The function `square` will throw an error because the parameter `3` is not a valid variable name.
+// =============> write your prediction of the error here
+// A SyntaxError will occur because you cannot use a number such as `3` as a function parameter name.
+// Names for parameters must be valid identifiers, for example, starting with a letter or underscore.
 
 function square(3) {
     return num * num;
 }
 
-// =============> SyntaxError: Unexpected number
+// =============> write the error message here
+// `SyntaxError: Unexpected number`
 
-// =============> The error occurs when attempting to declare a function with a numeric parameter, which is not permitted.
+// =============> explain this error message here
+// Function parameters are placeholders for the values that will be passed into the function.
+// These placeholders must follow the same naming rules as variables, and a variable name cannot be a number.
+// In this instance, the code `function square(3)` is attempting to declare a parameter with the name `3`, which is not a valid identifier, hence the `SyntaxError`.
 
 // Finally, correct the code to fix the problem
 
-// =============> function square(num) {
-// =============>     return num * num;
-// =============> }
+// =============> write your new code here
+function squareFixed(num) {
+  return num * num;
+}

From 9296d884f351ab7b1c51a9e48174f5a80c9cbc1c Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Thu, 17 Jul 2025 20:57:35 +0000
Subject: [PATCH 12/17] fix(errors): refactor error explanation and correct
 code for percentage conversion

---
 Sprint-2/1-key-errors/1.js | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/Sprint-2/1-key-errors/1.js b/Sprint-2/1-key-errors/1.js
index 202265206..df4cc879d 100644
--- a/Sprint-2/1-key-errors/1.js
+++ b/Sprint-2/1-key-errors/1.js
@@ -1,7 +1,8 @@
 // Predict and explain first...
 
 // Why will an error occur when this program runs?
-// =============> Due to the redeclaration of the variable 'decimalNumber' within the function.
+// =============> write your prediction here
+// An error such as `decimalNumber is not defined` will occur because `decimalNumber` is not defined in the global scope.
 
 // Try playing computer with the example to work out what is going on
 
@@ -14,12 +15,18 @@ function convertToPercentage(decimalNumber) {
 
 console.log(decimalNumber);
 
-// =============> Given that 'decimalNumber' is declared as a parameter, it should not be redeclared with 'const' inside the function. This will lead to a syntax error because you cannot declare a variable with the same name in the same scope.
-// =============> console.log(decimalNumber); causes an error because 'decimalNumber' is not defined in the global scope, it is only defined within the function.
+// =============> write your explanation here
+// The first error occurs when attempting to run `console.log(decimalNumber)`, resulting in a `SyntaxError: Identifier 'decimalNumber' has already been declared`.
+// This happens because `decimalNumber` is declared twice within the same scope: once as a parameter of the function and again as a constant inside the function.
+// The second error is that `decimalNumber` is not defined in the global scope.
+// Therefore, trying to log it outside the function will result in a `ReferenceError: decimalNumber is not defined`.
+// Instead, the function should use the parameter `decimalNumber` directly without redeclaring it.
 
 // Finally, correct the code to fix the problem
-// =============> function convertToPercentage(decimalNumber) {
-// =============>   const percentage = `${decimalNumber * 100}%`;
-// =============>   return percentage;
-// =============> }
-// =============> console.log(convertToPercentage(0.5));
+// =============> write your new code here
+function convertToPercentage(decimalNumber) {
+  const percentage = `${decimalNumber * 100}%`;
+  return percentage;
+}
+
+console.log(convertToPercentage(0.5));

From fd53bfc35ec81a00b9da0b25664a02a5879a4932 Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Thu, 17 Jul 2025 21:12:00 +0000
Subject: [PATCH 13/17] fix(errors): resolve variable redeclaration error in
 capitalise function

---
 Sprint-2/1-key-errors/0.js | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/Sprint-2/1-key-errors/0.js b/Sprint-2/1-key-errors/0.js
index 463e9a64a..559de913b 100644
--- a/Sprint-2/1-key-errors/0.js
+++ b/Sprint-2/1-key-errors/0.js
@@ -1,16 +1,21 @@
 // Predict and explain first...
-//  =============> Capitalises the first letter of a string.
+//  =============> write your prediction here
+// A syntax error should occur because the function parameter is named `str`, but it is also being redeclared inside the function.
 
-// Call the function capitalise with a string input.
-// Interpret the error message and work out why an error is occurring.
+// call the function capitalise with a string input
+// interpret the error message and figure out why an error is occurring
 
 function capitalise(str) {
   let str = `${str[0].toUpperCase()}${str.slice(1)}`;
   return str;
 }
 
-// =============> The variable 'str' is being declared twice, once as a parameter and again with 'let', resulting in a syntax error.
-// =============> function capitalise(str) {
-// =============>   let word = `${str[0].toUpperCase()}${str.slice(1)}`;
-// =============>   return word;
-// =============> }
+// =============> write your explanation here
+// The code outputs the error `SyntaxError: Identifier 'str' has already been declared`.
+// JavaScript does not allow you to redeclare a variable or parameter with the same name in the same scope.
+// In this case, the parameter `str` is being redeclared as a `let` variable inside the function, which is not allowed.
+// =============> write your new code here
+function capitalise(str) {
+  const capitalisedString = `${str[0].toUpperCase()}${str.slice(1)}`;
+  return capitalisedString;
+}

From 35404258e0016ef1fa5695eb6300273ecaf71769 Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Thu, 17 Jul 2025 21:34:58 +0000
Subject: [PATCH 14/17] feat(implement): calculate BMI rounded to one decimal
 place

---
 Sprint-2/3-mandatory-implement/1-bmi.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js
index 17b1cbde1..9754b97b4 100644
--- a/Sprint-2/3-mandatory-implement/1-bmi.js
+++ b/Sprint-2/3-mandatory-implement/1-bmi.js
@@ -15,5 +15,8 @@
 // It should return their Body Mass Index to 1 decimal place
 
 function calculateBMI(weight, height) {
-    // return the BMI of someone based off their weight and height
-}
\ No newline at end of file
+  const bmi = weight / (height * height);
+  return parseFloat(bmi.toFixed(1));
+}
+
+console.log(`BMI for 82.4kg, 1.82m: ${calculateBMI(82.4, 1.82)}`);

From c38389afaafb3b989067ef4dfac70c7ae0fe0f68 Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Thu, 17 Jul 2025 21:53:34 +0000
Subject: [PATCH 15/17] feat(implement): upper snake case conversion function

---
 Sprint-2/3-mandatory-implement/2-cases.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index 5b0ef77ad..c0f62a81c 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -14,3 +14,11 @@
 // 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(inputString) {
+  return inputString.toUpperCase().replaceAll(" ", "_");
+}
+
+console.log(
+  `"a wizard of earthsea" becomes: ${toUpperSnakeCase("a wizard of earthsea")}`
+);

From 263d8c9d046b93f42b77ad522b04976b14c17586 Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Thu, 17 Jul 2025 22:05:13 +0000
Subject: [PATCH 16/17] feat(implement): refactor pence conversion script into
 toPounds function

---
 Sprint-2/3-mandatory-implement/3-to-pounds.js | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js
index 6265a1a70..648ad4c06 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -4,3 +4,24 @@
 // 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(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(`"399p" converts to: ${toPounds("399p")}`);

From 2348e1e8d25bd67dd79f233b03377fb8e41726aa Mon Sep 17 00:00:00 2001
From: Tarawally <41825140+Tarawally@users.noreply.github.com.>
Date: Fri, 18 Jul 2025 22:18:28 +0000
Subject: [PATCH 17/17] docs(interpret): Answer questions in time-format.js

---
 Sprint-2/4-mandatory-interpret/time-format.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Sprint-2/4-mandatory-interpret/time-format.js b/Sprint-2/4-mandatory-interpret/time-format.js
index 7c98eb0e8..831e3e71c 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -18,17 +18,25 @@ function formatTimeDisplay(seconds) {
 
 // a) When formatTimeDisplay is called how many times will pad be called?
 // =============> write your answer here
+// The `pad` function will be called 3 times. This is because the return statement in `formatTimeDisplay` calls `pad` for `totalHours`, `remainingMinutes`, and `remainingSeconds`.
 
 // 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
+// The value assigned to `num` will be `0`.
 
 // c) What is the return value of pad is called for the first time?
 // =============> write your answer here
+// The return value will be the string `"00"`.
 
 // 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 assigned to `num` will be `1`.
+// With an input of 61, `remainingSeconds` is calculated as `61 % 60`, which is `1`.
+// The last call to `pad` in the `return` statement uses `remainingSeconds` as its argument.
 
 // e) What is the return value assigned to num when pad is called for the last time in this program?  Explain your answer
 // =============> write your answer here
+// The return value will be the string `"01"`.
+// The `pad` function takes the number `1`, converts it to the string `"1"`, and then uses `padStart(2, "0")` to add a leading zero, resulting in `"01"`.