From 522d1bd35f2fc9bacc626f1140bef164813412f6 Mon Sep 17 00:00:00 2001
From: Ayodeji Ayorinde <godleadco@hotmail.com>
Date: Mon, 2 Mar 2026 13:39:16 +0000
Subject: [PATCH 1/4] Completion of Sprint 1 Coursework

---
 Sprint-1/1-key-exercises/1-count.js                  |  1 +
 Sprint-1/1-key-exercises/2-initials.js               |  2 ++
 Sprint-1/1-key-exercises/3-paths.js                  |  7 +++++--
 Sprint-1/2-mandatory-errors/0.js                     |  7 +++++--
 Sprint-1/2-mandatory-errors/1.js                     |  7 +++++++
 Sprint-1/2-mandatory-errors/2.js                     |  8 ++++++++
 Sprint-1/2-mandatory-errors/3.js                     |  8 ++++++++
 Sprint-1/2-mandatory-errors/4.js                     | 11 ++++++++++-
 .../3-mandatory-interpret/1-percentage-change.js     |  9 +++++----
 Sprint-1/3-mandatory-interpret/2-time-format.js      | 11 ++++++-----
 Sprint-1/3-mandatory-interpret/3-to-pounds.js        |  9 +++++++++
 Sprint-1/4-stretch-explore/chrome.md                 |  7 +++++++
 Sprint-1/4-stretch-explore/objects.md                | 12 +++++++++---
 13 files changed, 82 insertions(+), 17 deletions(-)

diff --git a/Sprint-1/1-key-exercises/1-count.js b/Sprint-1/1-key-exercises/1-count.js
index 117bcb2b6..19f2fe950 100644
--- a/Sprint-1/1-key-exercises/1-count.js
+++ b/Sprint-1/1-key-exercises/1-count.js
@@ -4,3 +4,4 @@ count = count + 1;
 
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
 // Describe what line 3 is doing, in particular focus on what = is doing
+//Line 3 is adding 1 to the initial values of count which is 0 and reassing the new value (1+0 =1) to count
diff --git a/Sprint-1/1-key-exercises/2-initials.js b/Sprint-1/1-key-exercises/2-initials.js
index 47561f617..c992d4d58 100644
--- a/Sprint-1/1-key-exercises/2-initials.js
+++ b/Sprint-1/1-key-exercises/2-initials.js
@@ -6,6 +6,8 @@ let lastName = "Johnson";
 // This should produce the string "CKJ", but you must not write the characters C, K, or J in the code of your solution.
 
 let initials = ``;
+initials = firstName.substring(0, 1) + middleName.substring(0, 1) + lastName.substring(0, 1)
+console.log(initials)
 
 // https://www.google.com/search?q=get+first+character+of+string+mdn
 
diff --git a/Sprint-1/1-key-exercises/3-paths.js b/Sprint-1/1-key-exercises/3-paths.js
index ab90ebb28..216e4fbdf 100644
--- a/Sprint-1/1-key-exercises/3-paths.js
+++ b/Sprint-1/1-key-exercises/3-paths.js
@@ -17,7 +17,10 @@ console.log(`The base part of ${filePath} is ${base}`);
 // Create a variable to store the dir part of the filePath variable
 // Create a variable to store the ext part of the variable
 
-const dir = ;
-const ext = ;
+const dir = filePath.substring(0, 44);
+console.log(`The dir part of the filePath variable is  ${dir}`);
 
+const lastDotIndex = filePath.lastIndexOf(".");
+const ext = filePath.slice(lastDotIndex + 1);
+console.log(`The ext of ${filePath} is ${ext}`);
 // https://www.google.com/search?q=slice+mdn
\ No newline at end of file
diff --git a/Sprint-1/2-mandatory-errors/0.js b/Sprint-1/2-mandatory-errors/0.js
index cf6c5039f..fd81664bc 100644
--- a/Sprint-1/2-mandatory-errors/0.js
+++ b/Sprint-1/2-mandatory-errors/0.js
@@ -1,2 +1,5 @@
-This is just an instruction for the first activity - but it is just for human consumption
-We don't want the computer to run these 2 lines - how can we solve this problem?
\ No newline at end of file
+//This is just an instruction for the first activity - but it is just for human consumption
+//We don't want the computer to run these 2 lines - how can we solve this problem?
+
+//ANSWER:
+//We change the two lines to comments by using double forward slash (//) at the beginning of the two lines.
diff --git a/Sprint-1/2-mandatory-errors/1.js b/Sprint-1/2-mandatory-errors/1.js
index 7a43cbea7..117eac0f1 100644
--- a/Sprint-1/2-mandatory-errors/1.js
+++ b/Sprint-1/2-mandatory-errors/1.js
@@ -2,3 +2,10 @@
 
 const age = 33;
 age = age + 1;
+
+// ANSWER
+// In the solution above, 'age' is a constant variable becuse the keyword 'const' was used with it hence the value cannot change.
+
+// Solution:
+let age = 33;
+let age = age + 1;
\ No newline at end of file
diff --git a/Sprint-1/2-mandatory-errors/2.js b/Sprint-1/2-mandatory-errors/2.js
index e09b89831..53408c61c 100644
--- a/Sprint-1/2-mandatory-errors/2.js
+++ b/Sprint-1/2-mandatory-errors/2.js
@@ -3,3 +3,11 @@
 
 console.log(`I was born in ${cityOfBirth}`);
 const cityOfBirth = "Bolton";
+
+//ANSWER:
+// The 'cityOfBirth' was not assigned before the console.log statement
+// Solution will be to switch the lines as shown below:
+
+
+const cityOfBirth = "Bolton";
+console.log(`I was born in ${cityOfBirth}`);
\ No newline at end of file
diff --git a/Sprint-1/2-mandatory-errors/3.js b/Sprint-1/2-mandatory-errors/3.js
index ec101884d..a2e630b4e 100644
--- a/Sprint-1/2-mandatory-errors/3.js
+++ b/Sprint-1/2-mandatory-errors/3.js
@@ -7,3 +7,11 @@ const last4Digits = cardNumber.slice(-4);
 // Then run the code and see what error it gives.
 // Consider: Why does it give this error? Is this what I predicted? If not, what's different?
 // Then try updating the expression last4Digits is assigned to, in order to get the correct value
+
+//Predcition: slice() probably only work on string. Possible solution will be to put cardNumber in quotes or use String()
+// Why does it give this error? It says 'cardNumber.slice is not a function'
+// Is this what I predicted? No
+// If not, what's different? Since cardNumber is numeric, it shoulf be changed to string fot slice() to work.
+
+const cardNumber = "4533787178994213";
+const last4Digits = cardNumber.slice(-4);
diff --git a/Sprint-1/2-mandatory-errors/4.js b/Sprint-1/2-mandatory-errors/4.js
index 21dad8c5d..ea2dc8924 100644
--- a/Sprint-1/2-mandatory-errors/4.js
+++ b/Sprint-1/2-mandatory-errors/4.js
@@ -1,2 +1,11 @@
 const 12HourClockTime = "20:53";
-const 24hourClockTime = "08:53";
\ No newline at end of file
+const 24hourClockTime = "08:53";
+
+//In naming variable, numbers are not allowed to preceed variable names.
+
+// Error message: An identifier or keyword cannot immediately follow a numeric literal.
+
+// SUggested Solutions:
+
+const ClockTime12Hour = "20:53";
+const ClockTime24hour = "08:53";
\ No newline at end of file
diff --git a/Sprint-1/3-mandatory-interpret/1-percentage-change.js b/Sprint-1/3-mandatory-interpret/1-percentage-change.js
index e24ecb8e1..74833464f 100644
--- a/Sprint-1/3-mandatory-interpret/1-percentage-change.js
+++ b/Sprint-1/3-mandatory-interpret/1-percentage-change.js
@@ -12,11 +12,12 @@ console.log(`The percentage change is ${percentageChange}`);
 // Read the code and then answer the questions below
 
 // a) How many function calls are there in this file? Write down all the lines where a function call is made
-
+//ANSWER: Four function calls. Two function calls in line 4 & two function calls in line 5
 // b) Run the code and identify the line where the error is coming from - why is this error occurring? How can you fix this problem?
-
+//ANSWER: The comma in the replaceAll() function in Line 5 is missing. Put the comma back in to fix it.
 // c) Identify all the lines that are variable reassignment statements
-
+//ANSWER: Lines that are variable reassignment statements are Lines 4 & 5.
 // d) Identify all the lines that are variable declarations
-
+//ANSWER: Variable declarations line: 1,2,7,& 8
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
+//ANSWER: The expression first removes the comma(,) in carPrice and then converts it to a number.
\ No newline at end of file
diff --git a/Sprint-1/3-mandatory-interpret/2-time-format.js b/Sprint-1/3-mandatory-interpret/2-time-format.js
index 47d239558..214b3e5ef 100644
--- a/Sprint-1/3-mandatory-interpret/2-time-format.js
+++ b/Sprint-1/3-mandatory-interpret/2-time-format.js
@@ -12,14 +12,15 @@ console.log(result);
 // For the piece of code above, read the code and then answer the following questions
 
 // a) How many variable declarations are there in this program?
-
+//ANSWER: There were six variable declarations
 // b) How many function calls are there?
-
+//ANSWER: There were  no function calls except for the log() function
 // c) Using documentation, explain what the expression movieLength % 60 represents
 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators
-
+//ANSWER: The remainder (%) operator returns the remainder left over when one operand is divided by a second operand. It always takes the sign of the dividend.
 // d) Interpret line 4, what does the expression assigned to totalMinutes mean?
-
+//ANSWER: Line 4 with find the remainder whenmovieLength is divided by 60 and assigns the remainder to remainingSeconds (24)
 // e) What do you think the variable result represents? Can you think of a better name for this variable?
-
+//ANSWER: The variable result represents the total lenth of the movie which shows the total hours, minutes and seconds remain in string format.
 // f) Try experimenting with different values of movieLength. Will this code work for all values of movieLength? Explain your answer
+//ANSWER: The code semed to  work for all values of movieLength.
\ No newline at end of file
diff --git a/Sprint-1/3-mandatory-interpret/3-to-pounds.js b/Sprint-1/3-mandatory-interpret/3-to-pounds.js
index 60c9ace69..2d6553c31 100644
--- a/Sprint-1/3-mandatory-interpret/3-to-pounds.js
+++ b/Sprint-1/3-mandatory-interpret/3-to-pounds.js
@@ -25,3 +25,12 @@ console.log(`£${pounds}.${pence}`);
 
 // To begin, we can start with
 // 1. const penceString = "399p": initialises a string variable with the value "399p"
+// 2. Lines 3 to 6: extracts "399" as a string and assigns the values to penceStringWithoutTrailingP.
+//    It uses the substring to extract from position 0 to 3.
+// 3. Line 8: padStart is used to pad the values in penceStringWithoutTrailingP with "0" from the start of the value to make up a length of 3.
+//    Since penceStringWithoutTrailingP already has "399" with a length of 3, no padding is done.
+// 4. Line 9 to 12: substring is used to extract from paddedPenceNumberString,  starting from position 0 to 1 giving 3 which is stored in the variable pounds.
+// 5. Line 14 to 16: substring is used to extract from paddedPenceNumberString, starting from position 1 to the end givin "99"
+//    "99" is padded with "0" from the end of the value to make a length of 2 but sincw "99" already has a length of 2, no padding is done.
+//    "99" is assigned to the variable pence.
+// 6. Line 18: uses console.log() to print the values of pounds and pence preceeded by "£" and separated by "." to give "£3.99"
diff --git a/Sprint-1/4-stretch-explore/chrome.md b/Sprint-1/4-stretch-explore/chrome.md
index e7dd5feaf..bddd08b8a 100644
--- a/Sprint-1/4-stretch-explore/chrome.md
+++ b/Sprint-1/4-stretch-explore/chrome.md
@@ -11,8 +11,15 @@ In the Chrome console,
 invoke the function `alert` with an input string of `"Hello world!"`;
 
 What effect does calling the `alert` function have?
+## Got "chrome://new-tab-page says" popup
+## Hello world!
 
 Now try invoking the function `prompt` with a string input of `"What is your name?"` - store the return value of your call to `prompt` in an variable called `myName`.
 
 What effect does calling the `prompt` function have?
+## Got "chrome://new-tab-page says" popup
+## Got "What is your name?"
+## Got a box for input
 What is the return value of `prompt`?
+## promt: ƒ prompt() { [native code] }
+## myName: Ayo
diff --git a/Sprint-1/4-stretch-explore/objects.md b/Sprint-1/4-stretch-explore/objects.md
index 0216dee56..62c3a9e41 100644
--- a/Sprint-1/4-stretch-explore/objects.md
+++ b/Sprint-1/4-stretch-explore/objects.md
@@ -4,13 +4,19 @@ In this activity, we'll explore some additional concepts that you'll encounter i
 
 Open the Chrome devtools Console, type in `console.log` and then hit enter
 
-What output do you get?
+What output do you get? 
+## ƒ log() { [native code] }
 
 Now enter just `console` in the Console, what output do you get back?
-
+## console {debug: ƒ, error: ƒ, info: ƒ, log: ƒ, warn: ƒ, …}
 Try also entering `typeof console`
-
+## 'object'
 Answer the following questions:
 
 What does `console` store?
+## Objects
+## console {debug: ƒ, error: ƒ, info: ƒ, log: ƒ, warn: ƒ, …}
 What does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
+## console.log - Prints the text to the Console as a log message
+## console.assert() writes an error message to the console if the assertion is false
+## The dot(.) allows the access of the log method inside the console object
\ No newline at end of file

From 0e99abce8a749d4248c41eb07730aebc5e9851cd Mon Sep 17 00:00:00 2001
From: Ayodeji Ayorinde <godleadco@hotmail.com>
Date: Fri, 6 Mar 2026 15:45:09 +0000
Subject: [PATCH 2/4] Revert "Completion of Sprint 1 Coursework"

This reverts commit 522d1bd35f2fc9bacc626f1140bef164813412f6.
---
 Sprint-1/1-key-exercises/1-count.js                  |  1 -
 Sprint-1/1-key-exercises/2-initials.js               |  2 --
 Sprint-1/1-key-exercises/3-paths.js                  |  7 ++-----
 Sprint-1/2-mandatory-errors/0.js                     |  7 ++-----
 Sprint-1/2-mandatory-errors/1.js                     |  7 -------
 Sprint-1/2-mandatory-errors/2.js                     |  8 --------
 Sprint-1/2-mandatory-errors/3.js                     |  8 --------
 Sprint-1/2-mandatory-errors/4.js                     | 11 +----------
 .../3-mandatory-interpret/1-percentage-change.js     |  9 ++++-----
 Sprint-1/3-mandatory-interpret/2-time-format.js      | 11 +++++------
 Sprint-1/3-mandatory-interpret/3-to-pounds.js        |  9 ---------
 Sprint-1/4-stretch-explore/chrome.md                 |  7 -------
 Sprint-1/4-stretch-explore/objects.md                | 12 +++---------
 13 files changed, 17 insertions(+), 82 deletions(-)

diff --git a/Sprint-1/1-key-exercises/1-count.js b/Sprint-1/1-key-exercises/1-count.js
index 19f2fe950..117bcb2b6 100644
--- a/Sprint-1/1-key-exercises/1-count.js
+++ b/Sprint-1/1-key-exercises/1-count.js
@@ -4,4 +4,3 @@ count = count + 1;
 
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
 // Describe what line 3 is doing, in particular focus on what = is doing
-//Line 3 is adding 1 to the initial values of count which is 0 and reassing the new value (1+0 =1) to count
diff --git a/Sprint-1/1-key-exercises/2-initials.js b/Sprint-1/1-key-exercises/2-initials.js
index c992d4d58..47561f617 100644
--- a/Sprint-1/1-key-exercises/2-initials.js
+++ b/Sprint-1/1-key-exercises/2-initials.js
@@ -6,8 +6,6 @@ let lastName = "Johnson";
 // This should produce the string "CKJ", but you must not write the characters C, K, or J in the code of your solution.
 
 let initials = ``;
-initials = firstName.substring(0, 1) + middleName.substring(0, 1) + lastName.substring(0, 1)
-console.log(initials)
 
 // https://www.google.com/search?q=get+first+character+of+string+mdn
 
diff --git a/Sprint-1/1-key-exercises/3-paths.js b/Sprint-1/1-key-exercises/3-paths.js
index 216e4fbdf..ab90ebb28 100644
--- a/Sprint-1/1-key-exercises/3-paths.js
+++ b/Sprint-1/1-key-exercises/3-paths.js
@@ -17,10 +17,7 @@ console.log(`The base part of ${filePath} is ${base}`);
 // Create a variable to store the dir part of the filePath variable
 // Create a variable to store the ext part of the variable
 
-const dir = filePath.substring(0, 44);
-console.log(`The dir part of the filePath variable is  ${dir}`);
+const dir = ;
+const ext = ;
 
-const lastDotIndex = filePath.lastIndexOf(".");
-const ext = filePath.slice(lastDotIndex + 1);
-console.log(`The ext of ${filePath} is ${ext}`);
 // https://www.google.com/search?q=slice+mdn
\ No newline at end of file
diff --git a/Sprint-1/2-mandatory-errors/0.js b/Sprint-1/2-mandatory-errors/0.js
index fd81664bc..cf6c5039f 100644
--- a/Sprint-1/2-mandatory-errors/0.js
+++ b/Sprint-1/2-mandatory-errors/0.js
@@ -1,5 +1,2 @@
-//This is just an instruction for the first activity - but it is just for human consumption
-//We don't want the computer to run these 2 lines - how can we solve this problem?
-
-//ANSWER:
-//We change the two lines to comments by using double forward slash (//) at the beginning of the two lines.
+This is just an instruction for the first activity - but it is just for human consumption
+We don't want the computer to run these 2 lines - how can we solve this problem?
\ No newline at end of file
diff --git a/Sprint-1/2-mandatory-errors/1.js b/Sprint-1/2-mandatory-errors/1.js
index 117eac0f1..7a43cbea7 100644
--- a/Sprint-1/2-mandatory-errors/1.js
+++ b/Sprint-1/2-mandatory-errors/1.js
@@ -2,10 +2,3 @@
 
 const age = 33;
 age = age + 1;
-
-// ANSWER
-// In the solution above, 'age' is a constant variable becuse the keyword 'const' was used with it hence the value cannot change.
-
-// Solution:
-let age = 33;
-let age = age + 1;
\ No newline at end of file
diff --git a/Sprint-1/2-mandatory-errors/2.js b/Sprint-1/2-mandatory-errors/2.js
index 53408c61c..e09b89831 100644
--- a/Sprint-1/2-mandatory-errors/2.js
+++ b/Sprint-1/2-mandatory-errors/2.js
@@ -3,11 +3,3 @@
 
 console.log(`I was born in ${cityOfBirth}`);
 const cityOfBirth = "Bolton";
-
-//ANSWER:
-// The 'cityOfBirth' was not assigned before the console.log statement
-// Solution will be to switch the lines as shown below:
-
-
-const cityOfBirth = "Bolton";
-console.log(`I was born in ${cityOfBirth}`);
\ No newline at end of file
diff --git a/Sprint-1/2-mandatory-errors/3.js b/Sprint-1/2-mandatory-errors/3.js
index a2e630b4e..ec101884d 100644
--- a/Sprint-1/2-mandatory-errors/3.js
+++ b/Sprint-1/2-mandatory-errors/3.js
@@ -7,11 +7,3 @@ const last4Digits = cardNumber.slice(-4);
 // Then run the code and see what error it gives.
 // Consider: Why does it give this error? Is this what I predicted? If not, what's different?
 // Then try updating the expression last4Digits is assigned to, in order to get the correct value
-
-//Predcition: slice() probably only work on string. Possible solution will be to put cardNumber in quotes or use String()
-// Why does it give this error? It says 'cardNumber.slice is not a function'
-// Is this what I predicted? No
-// If not, what's different? Since cardNumber is numeric, it shoulf be changed to string fot slice() to work.
-
-const cardNumber = "4533787178994213";
-const last4Digits = cardNumber.slice(-4);
diff --git a/Sprint-1/2-mandatory-errors/4.js b/Sprint-1/2-mandatory-errors/4.js
index ea2dc8924..21dad8c5d 100644
--- a/Sprint-1/2-mandatory-errors/4.js
+++ b/Sprint-1/2-mandatory-errors/4.js
@@ -1,11 +1,2 @@
 const 12HourClockTime = "20:53";
-const 24hourClockTime = "08:53";
-
-//In naming variable, numbers are not allowed to preceed variable names.
-
-// Error message: An identifier or keyword cannot immediately follow a numeric literal.
-
-// SUggested Solutions:
-
-const ClockTime12Hour = "20:53";
-const ClockTime24hour = "08:53";
\ No newline at end of file
+const 24hourClockTime = "08:53";
\ No newline at end of file
diff --git a/Sprint-1/3-mandatory-interpret/1-percentage-change.js b/Sprint-1/3-mandatory-interpret/1-percentage-change.js
index 74833464f..e24ecb8e1 100644
--- a/Sprint-1/3-mandatory-interpret/1-percentage-change.js
+++ b/Sprint-1/3-mandatory-interpret/1-percentage-change.js
@@ -12,12 +12,11 @@ console.log(`The percentage change is ${percentageChange}`);
 // Read the code and then answer the questions below
 
 // a) How many function calls are there in this file? Write down all the lines where a function call is made
-//ANSWER: Four function calls. Two function calls in line 4 & two function calls in line 5
+
 // b) Run the code and identify the line where the error is coming from - why is this error occurring? How can you fix this problem?
-//ANSWER: The comma in the replaceAll() function in Line 5 is missing. Put the comma back in to fix it.
+
 // c) Identify all the lines that are variable reassignment statements
-//ANSWER: Lines that are variable reassignment statements are Lines 4 & 5.
+
 // d) Identify all the lines that are variable declarations
-//ANSWER: Variable declarations line: 1,2,7,& 8
+
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
-//ANSWER: The expression first removes the comma(,) in carPrice and then converts it to a number.
\ No newline at end of file
diff --git a/Sprint-1/3-mandatory-interpret/2-time-format.js b/Sprint-1/3-mandatory-interpret/2-time-format.js
index 214b3e5ef..47d239558 100644
--- a/Sprint-1/3-mandatory-interpret/2-time-format.js
+++ b/Sprint-1/3-mandatory-interpret/2-time-format.js
@@ -12,15 +12,14 @@ console.log(result);
 // For the piece of code above, read the code and then answer the following questions
 
 // a) How many variable declarations are there in this program?
-//ANSWER: There were six variable declarations
+
 // b) How many function calls are there?
-//ANSWER: There were  no function calls except for the log() function
+
 // c) Using documentation, explain what the expression movieLength % 60 represents
 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators
-//ANSWER: The remainder (%) operator returns the remainder left over when one operand is divided by a second operand. It always takes the sign of the dividend.
+
 // d) Interpret line 4, what does the expression assigned to totalMinutes mean?
-//ANSWER: Line 4 with find the remainder whenmovieLength is divided by 60 and assigns the remainder to remainingSeconds (24)
+
 // e) What do you think the variable result represents? Can you think of a better name for this variable?
-//ANSWER: The variable result represents the total lenth of the movie which shows the total hours, minutes and seconds remain in string format.
+
 // f) Try experimenting with different values of movieLength. Will this code work for all values of movieLength? Explain your answer
-//ANSWER: The code semed to  work for all values of movieLength.
\ No newline at end of file
diff --git a/Sprint-1/3-mandatory-interpret/3-to-pounds.js b/Sprint-1/3-mandatory-interpret/3-to-pounds.js
index 2d6553c31..60c9ace69 100644
--- a/Sprint-1/3-mandatory-interpret/3-to-pounds.js
+++ b/Sprint-1/3-mandatory-interpret/3-to-pounds.js
@@ -25,12 +25,3 @@ console.log(`£${pounds}.${pence}`);
 
 // To begin, we can start with
 // 1. const penceString = "399p": initialises a string variable with the value "399p"
-// 2. Lines 3 to 6: extracts "399" as a string and assigns the values to penceStringWithoutTrailingP.
-//    It uses the substring to extract from position 0 to 3.
-// 3. Line 8: padStart is used to pad the values in penceStringWithoutTrailingP with "0" from the start of the value to make up a length of 3.
-//    Since penceStringWithoutTrailingP already has "399" with a length of 3, no padding is done.
-// 4. Line 9 to 12: substring is used to extract from paddedPenceNumberString,  starting from position 0 to 1 giving 3 which is stored in the variable pounds.
-// 5. Line 14 to 16: substring is used to extract from paddedPenceNumberString, starting from position 1 to the end givin "99"
-//    "99" is padded with "0" from the end of the value to make a length of 2 but sincw "99" already has a length of 2, no padding is done.
-//    "99" is assigned to the variable pence.
-// 6. Line 18: uses console.log() to print the values of pounds and pence preceeded by "£" and separated by "." to give "£3.99"
diff --git a/Sprint-1/4-stretch-explore/chrome.md b/Sprint-1/4-stretch-explore/chrome.md
index bddd08b8a..e7dd5feaf 100644
--- a/Sprint-1/4-stretch-explore/chrome.md
+++ b/Sprint-1/4-stretch-explore/chrome.md
@@ -11,15 +11,8 @@ In the Chrome console,
 invoke the function `alert` with an input string of `"Hello world!"`;
 
 What effect does calling the `alert` function have?
-## Got "chrome://new-tab-page says" popup
-## Hello world!
 
 Now try invoking the function `prompt` with a string input of `"What is your name?"` - store the return value of your call to `prompt` in an variable called `myName`.
 
 What effect does calling the `prompt` function have?
-## Got "chrome://new-tab-page says" popup
-## Got "What is your name?"
-## Got a box for input
 What is the return value of `prompt`?
-## promt: ƒ prompt() { [native code] }
-## myName: Ayo
diff --git a/Sprint-1/4-stretch-explore/objects.md b/Sprint-1/4-stretch-explore/objects.md
index 62c3a9e41..0216dee56 100644
--- a/Sprint-1/4-stretch-explore/objects.md
+++ b/Sprint-1/4-stretch-explore/objects.md
@@ -4,19 +4,13 @@ In this activity, we'll explore some additional concepts that you'll encounter i
 
 Open the Chrome devtools Console, type in `console.log` and then hit enter
 
-What output do you get? 
-## ƒ log() { [native code] }
+What output do you get?
 
 Now enter just `console` in the Console, what output do you get back?
-## console {debug: ƒ, error: ƒ, info: ƒ, log: ƒ, warn: ƒ, …}
+
 Try also entering `typeof console`
-## 'object'
+
 Answer the following questions:
 
 What does `console` store?
-## Objects
-## console {debug: ƒ, error: ƒ, info: ƒ, log: ƒ, warn: ƒ, …}
 What does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
-## console.log - Prints the text to the Console as a log message
-## console.assert() writes an error message to the console if the assertion is false
-## The dot(.) allows the access of the log method inside the console object
\ No newline at end of file

From 1d8c408e290805eaefd2d7c0cb5ccc5ad1ed33da Mon Sep 17 00:00:00 2001
From: Ayodeji Ayorinde <godleadco@hotmail.com>
Date: Fri, 6 Mar 2026 16:29:48 +0000
Subject: [PATCH 3/4] Completion of Sprint 2 tasks

---
 Sprint-2/1-key-errors/0.js                    |  9 +++++++--
 Sprint-2/1-key-errors/1.js                    |  9 ++++++---
 Sprint-2/1-key-errors/2.js                    | 12 +++++++----
 Sprint-2/2-mandatory-debug/0.js               |  7 +++++--
 Sprint-2/2-mandatory-debug/1.js               |  8 ++++++--
 Sprint-2/2-mandatory-debug/2.js               | 16 ++++++++++++---
 Sprint-2/3-mandatory-implement/1-bmi.js       |  1 +
 Sprint-2/3-mandatory-implement/2-cases.js     |  4 ++++
 Sprint-2/3-mandatory-implement/3-to-pounds.js | 20 +++++++++++++++++++
 Sprint-2/4-mandatory-interpret/time-format.js | 10 +++++-----
 10 files changed, 75 insertions(+), 21 deletions(-)

diff --git a/Sprint-2/1-key-errors/0.js b/Sprint-2/1-key-errors/0.js
index 653d6f5a0..2c0ec877e 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
+//  =============> Prediction: The function capitalise is possibly meant to capitalise the first letter in a string.
 
 // call the function capitalise with a string input
 // interpret the error message and figure out why an error is occurring
@@ -9,5 +9,10 @@ function capitalise(str) {
   return str;
 }
 
-// =============> write your explanation here
+// =============> =============> write your explanation here
+// The 'str' variable on the left hand side is the same used in the function name implementation which should not be.
 // =============> write your new code here
+function capitalise(str) {
+  let capFunction = `${str[0].toUpperCase()}${str.slice(1)}`;
+  return capFunction;
+}
\ No newline at end of file
diff --git a/Sprint-2/1-key-errors/1.js b/Sprint-2/1-key-errors/1.js
index f2d56151f..fef6a3cad 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
+// =============> I suspect than an error will occur
 
 // Try playing computer with the example to work out what is going on
 
@@ -14,7 +14,10 @@ function convertToPercentage(decimalNumber) {
 
 console.log(decimalNumber);
 
-// =============> write your explanation here
-
+// =============> write your explanation here.  The functions takes a decimal number as input and converts it to percentage by multiplying by 100
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+function convertToPercentage(decimalNumber) {
+  const percentage = `${decimalNumber * 100}%`;
+  return percentage;
+}
\ No newline at end of file
diff --git a/Sprint-2/1-key-errors/2.js b/Sprint-2/1-key-errors/2.js
index aad57f7cf..f5021c8a5 100644
--- a/Sprint-2/1-key-errors/2.js
+++ b/Sprint-2/1-key-errors/2.js
@@ -3,18 +3,22 @@
 
 // this function should square any number but instead we're going to get an error
 
-// =============> write your prediction of the error here
+// =============> write your prediction of the error here. The error is likely to be caused by square(3), '3' is supposed to be replaced by a string representing the number.
 
 function square(3) {
     return num * num;
 }
 
 // =============> write the error message here
-
+// function square(3) {
+//                 ^
+//  SyntaxError: Unexpected number
 // =============> explain this error message here
-
+// The muber '3' should be used when calling the function and it should not be used as a parameter.
 // Finally, correct the code to fix the problem
 
 // =============> write your new code here
-
+function square(num) {
+    return num * num;
+}
 
diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js
index b27511b41..451ba98c5 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
+// =============> write your prediction here. It may likely have issues as console.log() is within function implementation, instead of using'return'
 
 function multiply(a, b) {
   console.log(a * b);
@@ -8,7 +8,10 @@ function multiply(a, b) {
 
 console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
-// =============> write your explanation here
+// =============> write your explanation here. Instead of having console.log() is within function implementation, it should be replaced with 'return'
 
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+function multiply(a, b) {
+  return (a * b);
+}
\ No newline at end of file
diff --git a/Sprint-2/2-mandatory-debug/1.js b/Sprint-2/2-mandatory-debug/1.js
index 37cedfbcf..9c8926d7a 100644
--- a/Sprint-2/2-mandatory-debug/1.js
+++ b/Sprint-2/2-mandatory-debug/1.js
@@ -1,5 +1,6 @@
 // Predict and explain first...
-//  =============> write your prediction here
+//  =============> write your prediction here. An error will result becasue of the ';' between return and a + b
+
 
 function sum(a, b) {
   return;
@@ -8,6 +9,9 @@ function sum(a, b) {
 
 console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
 
-// =============> write your explanation here
+// =============> write your explanation here. The ideal statement should be 'return a + b; ' but this statement is separated by ';'
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+function sum(a, b) {
+  return a + b;
+}
\ No newline at end of file
diff --git a/Sprint-2/2-mandatory-debug/2.js b/Sprint-2/2-mandatory-debug/2.js
index 57d3f5dc3..47aba7d87 100644
--- a/Sprint-2/2-mandatory-debug/2.js
+++ b/Sprint-2/2-mandatory-debug/2.js
@@ -1,7 +1,8 @@
 // Predict and explain first...
 
 // Predict the output of the following code:
-// =============> Write your prediction here
+// =============> Write your prediction here. It may run but give incorrect results because of const num & no parameter specified
+
 
 const num = 103;
 
@@ -15,10 +16,19 @@ 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
+// =============> write your explanation here. num is a constant variable, it's value cannot change.
 // Finally, correct the code to fix the problem
 // =============> write your new code here
-
+function getLastDigit() {
+  return num.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
+// getLastDigit is not working properly because the value for num is fixed at '103'
+function getLastDigit(num) {
+  return num.toString().slice(-1);
+}
diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js
index 17b1cbde1..a0c825b4c 100644
--- a/Sprint-2/3-mandatory-implement/1-bmi.js
+++ b/Sprint-2/3-mandatory-implement/1-bmi.js
@@ -16,4 +16,5 @@
 
 function calculateBMI(weight, height) {
     // return the BMI of someone based off their weight and height
+    return Math.round((weight) / (height ** 2)).toFixed(1)
 }
\ No newline at end of file
diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index 5b0ef77ad..bdf32e61a 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -14,3 +14,7 @@
 // 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 upCase(strCar) {
+    let result = strCar.toUpperCase().replaceAll(" ", "_");
+    return result;
+}
diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js
index 6265a1a70..bb2ad2739 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -4,3 +4,23 @@
 // 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(money) {
+    const moneyWithoutTrailingP = money.substring(
+        0,
+        money.length - 1
+    );
+    const paddedPenceNumberString = moneyWithoutTrailingP.padStart(3, "0");
+    const pounds = paddedPenceNumberString.substring(
+        0,
+        paddedPenceNumberString.length - 2
+    );
+    const pence = paddedPenceNumberString
+        .substring(paddedPenceNumberString.length - 2)
+        .padEnd(2, "0");
+    result = pounds + "." + pence;
+    res = `£${pounds}.${pence}`;
+    return res;
+}
+console.log(toPounds("399p"))
+console.log(toPounds("1099p"))
\ No newline at end of file
diff --git a/Sprint-2/4-mandatory-interpret/time-format.js b/Sprint-2/4-mandatory-interpret/time-format.js
index 7c98eb0e8..ebaf68ef1 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -17,18 +17,18 @@ function formatTimeDisplay(seconds) {
 // Questions
 
 // a) When formatTimeDisplay is called how many times will pad be called?
-// =============> write your answer here
+// =============> write your answer here.pad will be called three times.
 
 // 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
+// =============> write your answer here. the value assigned to num when pad is called for the first time is 00
 
 // c) What is the return value of pad is called for the first time?
-// =============> write your answer here
+// =============> write your answer here. the return value of pad is called for the first time is '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
+// =============> write your answer here. the value assigned to num when pad is called for the last time is 01
 
 // 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
+// =============> write your answer here. the return value assigned to num when pad is called for the last time in this program is '01'

From 11ee71c705b106d0edc11ded3757b3a7b267d4b1 Mon Sep 17 00:00:00 2001
From: Ayodeji Ayorinde <godleadco@hotmail.com>
Date: Wed, 15 Apr 2026 19:10:25 +0100
Subject: [PATCH 4/4] Sprint 2 redone

---
 Sprint-2/2-mandatory-debug/2.js               | 34 +++++++++++++-----
 Sprint-2/3-mandatory-implement/1-bmi.js       | 13 +++++--
 Sprint-2/3-mandatory-implement/2-cases.js     | 14 ++++++--
 Sprint-2/3-mandatory-implement/3-to-pounds.js | 35 ++++++++++++++-----
 Sprint-2/4-mandatory-interpret/time-format.js | 15 +++++---
 5 files changed, 83 insertions(+), 28 deletions(-)

diff --git a/Sprint-2/2-mandatory-debug/2.js b/Sprint-2/2-mandatory-debug/2.js
index 47aba7d87..735bb2e6d 100644
--- a/Sprint-2/2-mandatory-debug/2.js
+++ b/Sprint-2/2-mandatory-debug/2.js
@@ -1,7 +1,9 @@
 // Predict and explain first...
 
+
 // Predict the output of the following code:
-// =============> Write your prediction here. It may run but give incorrect results because of const num & no parameter specified
+// =============> Write your prediction here.
+// //ANS: To return the last digit of num as a string.
 
 
 const num = 103;
@@ -20,15 +22,31 @@ console.log(`The last digit of 806 is ${getLastDigit(806)}`);
 // 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. num is a constant variable, it's value cannot change.
+// =============> write your explanation here. 
+// //ANS: 
+// num is a constant variable, a hardcoded reference.
+//The function getLastDigit is currently ignoring the arguments you pass to it(42, 105, 806) because of two main issues:
+
+//Missing Parameter: The function definition function getLastDigit() does not have a parameter inside the parentheses.In JavaScript, if you pass an argument to a function that hasn't defined a parameter to receive it, the function simply ignores that input.
+
+//Scope and Variable Reference: Inside the function, you are explicitly calling num.toString().Since num isn't defined inside the function, the engine looks at the Global Scope, finds const num = 103, and uses that value every single time the function runs.
+
 // Finally, correct the code to fix the problem
 // =============> write your new code here
-function getLastDigit() {
-  return num.toString().slice(-1);
+const num = 103; // This is now ignored by the function
+
+// We add 'n' as a parameter to "catch" the numbers we pass in
+function getLastDigit(n) {
+  // We call toString() on 'n' instead of the global 'num'
+  return n.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
-// getLastDigit is not working properly because the value for num is fixed at '103'
-function getLastDigit(num) {
-  return num.toString().slice(-1);
-}
+//ANS: Done above.
+// ANS:getLastDigit was not working properly because the value for num is fixed at '103'
+
diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js
index a0c825b4c..b598100a6 100644
--- a/Sprint-2/3-mandatory-implement/1-bmi.js
+++ b/Sprint-2/3-mandatory-implement/1-bmi.js
@@ -15,6 +15,13 @@
 // 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
-    return Math.round((weight) / (height ** 2)).toFixed(1)
-}
\ No newline at end of file
+    // BMI = kg / m^2
+    const bmi = weight / (height * height);
+
+    // .toFixed(1) rounds to 1 decimal place and returns a string
+    return bmi.toFixed(1);
+}
+
+// Example usage:
+const myBMI = calculateBMI(70, 1.73);
+console.log(`The calculated BMI is: ${myBMI}`); // Output: "23.4"
\ No newline at end of file
diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js
index bdf32e61a..2e2a55a6a 100644
--- a/Sprint-2/3-mandatory-implement/2-cases.js
+++ b/Sprint-2/3-mandatory-implement/2-cases.js
@@ -14,7 +14,15 @@
 // 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 upCase(strCar) {
-    let result = strCar.toUpperCase().replaceAll(" ", "_");
-    return result;
+
+
+function toUpperSnakeCase(text) {
+    // 1. replaceAll(' ', '_') swaps every space for an underscore
+    // 2. toUpperCase() converts the letters to all caps
+    return text.replaceAll(' ', '_').toUpperCase();
 }
+
+// Examples:
+console.log(toUpperSnakeCase("hello there"));         // "HELLO_THERE"
+console.log(toUpperSnakeCase("lord of the rings"));  // "LORD_OF_THE_RINGS"
+console.log(toUpperSnakeCase("javascript is fun"));   // "JAVASCRIPT_IS_FUN"
\ No newline at end of file
diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js
index bb2ad2739..075762f98 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -5,22 +5,39 @@
 
 // You should call this function a number of times to check it works for different inputs
 
-function toPounds(money) {
-    const moneyWithoutTrailingP = money.substring(
+/**
+ * Converts a pence string (e.g., "399p") into a formatted pound string (e.g., "£3.99")
+ * @param {string} penceString - The input string ending in 'p'
+ */
+function toPounds(penceString) {
+    // 1. Remove the trailing 'p'
+    const penceStringWithoutTrailingP = penceString.substring(
         0,
-        money.length - 1
+        penceString.length - 1
     );
-    const paddedPenceNumberString = moneyWithoutTrailingP.padStart(3, "0");
+
+    // 2. Pad with leading zeros to ensure at least 3 characters (e.g., "5p" -> "005")
+    const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+
+    // 3. Extract the pounds (everything except the last two digits)
     const pounds = paddedPenceNumberString.substring(
         0,
         paddedPenceNumberString.length - 2
     );
+
+    // 4. Extract the pence (the last two digits)
     const pence = paddedPenceNumberString
         .substring(paddedPenceNumberString.length - 2)
         .padEnd(2, "0");
-    result = pounds + "." + pence;
-    res = `£${pounds}.${pence}`;
-    return res;
+
+    // 5. Return the formatted string
+    return `£${pounds}.${pence}`;
 }
-console.log(toPounds("399p"))
-console.log(toPounds("1099p"))
\ No newline at end of file
+
+// --- Testing the function with different inputs ---
+
+console.log(toPounds("399p"));  // Expected: £3.99
+console.log(toPounds("50p"));   // Expected: £0.50
+console.log(toPounds("1250p")); // Expected: £12.50
+console.log(toPounds("8p"));    // Expected: £0.08
+console.log(toPounds("1002p")); // Expected: £10.02
\ No newline at end of file
diff --git a/Sprint-2/4-mandatory-interpret/time-format.js b/Sprint-2/4-mandatory-interpret/time-format.js
index ebaf68ef1..a8b118bca 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -17,18 +17,23 @@ function formatTimeDisplay(seconds) {
 // Questions
 
 // a) When formatTimeDisplay is called how many times will pad be called?
-// =============> write your answer here.pad will be called three times.
+// =============> write your answer here.
+// //ANS: 3 times.
 
 // 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 when pad is called for the first time is 00
+// =============> write your answer here.
+// ANS: the value assigned to num when pad is called for the first time is 0
 
 // c) What is the return value of pad is called for the first time?
-// =============> write your answer here. the return value of pad is called for the first time is '00'
+// =============> write your answer here.
+// //ANS: the return value of pad is called for the first time is '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 when pad is called for the last time is 01
+// =============> write your answer here.
+// ANS: the value assigned to num when pad is called for the last time is 1
 
 // 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 assigned to num when pad is called for the last time in this program is '01'
+// =============> write your answer here.
+// ANS: Sthe return value assigned to num when pad is called for the last time in this program is '01'