From 8e8fb397284ee83aabec6d9125ad62fed9a7163e Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Thu, 17 Sep 2026 12:13:11 +0100
Subject: [PATCH 01/22] add dir and ext

---
 Sprint-2/1-key-exercises/3-paths.js | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/Sprint-2/1-key-exercises/3-paths.js b/Sprint-2/1-key-exercises/3-paths.js
index ab90ebb28..96b1bf597 100644
--- a/Sprint-2/1-key-exercises/3-paths.js
+++ b/Sprint-2/1-key-exercises/3-paths.js
@@ -13,11 +13,7 @@ const filePath = "/Users/mitch/cyf/Module-JS1/week-1/interpret/file.txt";
 const lastSlashIndex = filePath.lastIndexOf("/");
 const base = filePath.slice(lastSlashIndex + 1);
 console.log(`The base part of ${filePath} is ${base}`);
-
-// Create a variable to store the dir part of the filePath variable
-// Create a variable to store the ext part of the variable
-
-const dir = ;
-const ext = ;
-
-// https://www.google.com/search?q=slice+mdn
\ No newline at end of file
+const dir = filePath.slice(0,`${lastSlashIndex}`-1);
+const ext = filePath.slice(filePath.lastIndexOf("."));
+console.log(`The dir part of ${filePath} is ${dir}`);
+console.log(`The ext part of this URL is ${ext}`);
\ No newline at end of file

From 21470a9300375cf1a6757cd6aef1c120d0954e84 Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Thu, 17 Sep 2026 12:14:16 +0100
Subject: [PATCH 02/22] explain line 3

---
 Sprint-2/1-key-exercises/1-count.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/1-key-exercises/1-count.js b/Sprint-2/1-key-exercises/1-count.js
index 117bcb2b6..aa773717f 100644
--- a/Sprint-2/1-key-exercises/1-count.js
+++ b/Sprint-2/1-key-exercises/1-count.js
@@ -3,4 +3,5 @@ let count = 0;
 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 add 1 to value of count and store result back in count,
+// in this line = is not mean (is equal to ), It is a assignment

From a9e44ee67b3eb8a9dd602accbe266dc52867b8e8 Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Thu, 17 Sep 2026 12:15:09 +0100
Subject: [PATCH 03/22] find first letter

---
 Sprint-2/1-key-exercises/2-initials.js | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/Sprint-2/1-key-exercises/2-initials.js b/Sprint-2/1-key-exercises/2-initials.js
index 964c9563c..138065c74 100644
--- a/Sprint-2/1-key-exercises/2-initials.js
+++ b/Sprint-2/1-key-exercises/2-initials.js
@@ -1,10 +1,6 @@
 const firstName = "Creola";
 const middleName = "Katherine";
 const lastName = "Johnson";
+const initials = `${firstName.charAt(0)}` + `${middleName.charAt(0)}` + `${lastName.charAt(0)}`;
+console.log(`${initials}`);
 
-// Declare a variable called initials that stores the first character of each string.
-// This should produce the string "CKJ", but you must not write the characters C, K, or J in the code of your solution.
-
-const initials = ``;
-
-// https://www.google.com/search?q=get+first+character+of+string+mdn

From 59481d1baf7209a126e351be170abc6fd3aa3d3b Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Thu, 17 Sep 2026 13:51:30 +0100
Subject: [PATCH 04/22] explain how it working

---
 Sprint-2/1-key-exercises/4-random.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/1-key-exercises/4-random.js b/Sprint-2/1-key-exercises/4-random.js
index 292f83aab..dbe4dbbd8 100644
--- a/Sprint-2/1-key-exercises/4-random.js
+++ b/Sprint-2/1-key-exercises/4-random.js
@@ -2,8 +2,12 @@ const minimum = 1;
 const maximum = 100;
 
 const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
+console.log(`${num}`);
 
-// In this exercise, you will need to work out what num represents?
-// Try breaking down the expression and using documentation to explain what it means
-// It will help to think about the order in which expressions are evaluated
-// Try logging the value of num and running the program several times to build an idea of what the program is doing
+//num represents a random whole number between 1 and 100,
+//first we calculate value inside parentheses(maximum - minimum +1) = 100 -1 + 1 =100 
+// math.random return number between 0 and 1
+// math.random() * 100 give us a integer number 
+// math.floor round down the number
+// add 1 to the result  
+//for example math.floor((0.783 *100))=78 + 1 = 79 
\ No newline at end of file

From fda7c0ded385cbbeac5cfd3912fd60c1eff6e6c0 Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Thu, 17 Sep 2026 14:00:41 +0100
Subject: [PATCH 05/22] using comment

---
 Sprint-2/2-mandatory-errors/0.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/2-mandatory-errors/0.js b/Sprint-2/2-mandatory-errors/0.js
index cf6c5039f..ae4599ad6 100644
--- a/Sprint-2/2-mandatory-errors/0.js
+++ b/Sprint-2/2-mandatory-errors/0.js
@@ -1,2 +1,8 @@
-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?
+
+/*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???*/
+
+// we can put "//" in the beginning of the line so computer ignore them
+// or put them between /* and */
\ No newline at end of file

From a6dbd79fe32858d8844494f8f5f96d0368101c41 Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Thu, 17 Sep 2026 14:05:03 +0100
Subject: [PATCH 06/22] change const to let

---
 Sprint-2/2-mandatory-errors/1.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/2-mandatory-errors/1.js b/Sprint-2/2-mandatory-errors/1.js
index 7a43cbea7..7f2157819 100644
--- a/Sprint-2/2-mandatory-errors/1.js
+++ b/Sprint-2/2-mandatory-errors/1.js
@@ -1,4 +1,6 @@
 // trying to create an age variable and then reassign the value by 1
 
-const age = 33;
+let age = 33;
 age = age + 1;
+console.log(`${age}`);
+//We should use let if we want to change the value.
\ No newline at end of file

From 5bc72b38502a96c0cc2d2598ce5524c42e0de223 Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Thu, 17 Sep 2026 14:08:53 +0100
Subject: [PATCH 07/22] change variable position

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

diff --git a/Sprint-2/2-mandatory-errors/2.js b/Sprint-2/2-mandatory-errors/2.js
index e09b89831..bc947bb23 100644
--- a/Sprint-2/2-mandatory-errors/2.js
+++ b/Sprint-2/2-mandatory-errors/2.js
@@ -1,5 +1,6 @@
 // Currently trying to print the string "I was born in Bolton" but it isn't working...
 // what's the error ?
-
-console.log(`I was born in ${cityOfBirth}`);
 const cityOfBirth = "Bolton";
+console.log(`I was born in ${cityOfBirth}`);
+// This error (Cannot access 'cityOfBirth' before initialization) is because we need to declare the variable before using it.
+

From 516c24cef42b74349499430296259a5dcb08ee6f Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Thu, 17 Sep 2026 14:19:21 +0100
Subject: [PATCH 08/22] change var type

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

diff --git a/Sprint-2/2-mandatory-errors/3.js b/Sprint-2/2-mandatory-errors/3.js
index ec101884d..c7c3adfb5 100644
--- a/Sprint-2/2-mandatory-errors/3.js
+++ b/Sprint-2/2-mandatory-errors/3.js
@@ -1,9 +1,4 @@
 const cardNumber = 4533787178994213;
-const last4Digits = cardNumber.slice(-4);
-
-// The last4Digits variable should store the last 4 digits of cardNumber
-// However, the code isn't working
-// Before running the code, make and explain a prediction about why the code won't work
-// 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
+const last4Digits = String(cardNumber).slice(-4);
+console.log(`${last4Digits}`);
+// we get error (cardNumber.slice is not a function) because slice is a String method
\ No newline at end of file

From 01adbcc53e2f1fa15258b873ec5a66baff0e16b7 Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Thu, 17 Sep 2026 14:24:34 +0100
Subject: [PATCH 09/22] variable name error

---
 Sprint-2/2-mandatory-errors/4.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Sprint-2/2-mandatory-errors/4.js b/Sprint-2/2-mandatory-errors/4.js
index 5f86c730b..7d033910d 100644
--- a/Sprint-2/2-mandatory-errors/4.js
+++ b/Sprint-2/2-mandatory-errors/4.js
@@ -1,2 +1,3 @@
-const 12HourClockTime = "8:53pm";
-const 24hourClockTime = "20:53";
+const HourClockTime12 = "8:53pm";
+const hourClockTime24 = "20:53";
+//JavaScript variable names cannot start with a number.
\ No newline at end of file

From a52cfdb73b9f2696b3bfd7f9c5ad0ed4dba928af Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Thu, 17 Sep 2026 20:05:52 +0100
Subject: [PATCH 10/22] answer questions

---
 .../3-mandatory-interpret/1-percentage-change.js  | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/3-mandatory-interpret/1-percentage-change.js b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
index e24ecb8e1..7ea76fa50 100644
--- a/Sprint-2/3-mandatory-interpret/1-percentage-change.js
+++ b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
@@ -2,7 +2,7 @@ let carPrice = "10,000";
 let priceAfterOneYear = "8,543";
 
 carPrice = Number(carPrice.replaceAll(",", ""));
-priceAfterOneYear = Number(priceAfterOneYear.replaceAll("," ""));
+priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
 
 const priceDifference = carPrice - priceAfterOneYear;
 const percentageChange = (priceDifference / carPrice) * 100;
@@ -12,11 +12,24 @@ 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
+/*  Number() - line 4 and Line 5
+    replaceAll() - Line 4 and Line 5
+    console.log() - Line 10*/
+
 
 // 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?
+   /* line 5 , There is a comma missing between "," and ""*/
 
 // c) Identify all the lines that are variable reassignment statements
+    /* Line 4 :carPrice = Number(carPrice.replaceAll(",", ""));
+       Line5 : priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
+       carPrice and priceAfterOneYear were already declared on Line 1 and 2 using let */
 
 // d) Identify all the lines that are variable declarations
+       /* Line 1 : let carPrice = "10,000";
+          Line 2 : let priceAfterOneYear = "8,543";
+          Line 7 : const priceDifference = carPrice - priceAfterOneYear;
+          Line 8 : const percentageChange = (priceDifference / carPrice) * 100;*/
 
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
+        /*replaceAll remove all the commas from the string and Number convert string  to the number*/ 
\ No newline at end of file

From 71baeb70ff96d8a772a4023c9aa5d9c29ee3301f Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Thu, 17 Sep 2026 21:13:44 +0100
Subject: [PATCH 11/22] answer all the question

---
 Sprint-2/3-mandatory-interpret/2-time-format.js | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/3-mandatory-interpret/2-time-format.js b/Sprint-2/3-mandatory-interpret/2-time-format.js
index 47d239558..e73c3c51e 100644
--- a/Sprint-2/3-mandatory-interpret/2-time-format.js
+++ b/Sprint-2/3-mandatory-interpret/2-time-format.js
@@ -1,4 +1,4 @@
-const movieLength = 8784; // length of movie in seconds
+const movieLength = 5467; // length of movie in seconds
 
 const remainingSeconds = movieLength % 60;
 const totalMinutes = (movieLength - remainingSeconds) / 60;
@@ -12,14 +12,25 @@ 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?
+/* there are 6 variable declaration in this program.
+            1- movieLength , 2- remainingSeconds , 3- totalMinutes
+            4- remainingMinutes , 5- totalHours , 6- result */
 
 // b) How many function calls are there?
+/* one function 
+            Line 10 : console.log(); */
 
 // c) Using documentation, explain what the expression movieLength % 60 represents
 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators
+// Remainder(%) : Return the remainder left over when one operand is divided by a second operand
+// console.log(13 % 5 ); 3
 
 // d) Interpret line 4, what does the expression assigned to totalMinutes mean?
+// This expression converts movie length from seconds into minutes 
 
 // e) What do you think the variable result represents? Can you think of a better name for this variable?
+// Variable result represent the movie length formatted as hours, minutes, seconds , 
+// another name could be movieTime
 
 // f) Try experimenting with different values of movieLength. Will this code work for all values of movieLength? Explain your answer
+// This code works for normal positive number representing but for negative number and very big number it is not working  
\ No newline at end of file

From 4e607b24aab6c98b6a2fc371b2badd301ad7133c Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Thu, 17 Sep 2026 23:43:32 +0100
Subject: [PATCH 12/22] understand and answer question

---
 Sprint-2/3-mandatory-interpret/3-to-pounds.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Sprint-2/3-mandatory-interpret/3-to-pounds.js b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
index 60c9ace69..7445a4689 100644
--- a/Sprint-2/3-mandatory-interpret/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
@@ -25,3 +25,19 @@ console.log(`£${pounds}.${pence}`);
 
 // To begin, we can start with
 // 1. const penceString = "399p": initialises a string variable with the value "399p"
+
+// 2. const penceStringWithoutTrailingP = penceString.substring(0,penceString.length - 1);
+//     create a new variable and put the string without p 
+
+// 3.  const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+//     padStart() adds characters to the beginning of a string to make it 3 characters long. 
+//     because we need to convert it to pound and pence 
+
+// 4. const pounds = paddedPenceNumberString.substring(0,paddedPenceNumberString.length - 2);
+//    We remove the last 2 characters and store the remaining part of the string as pounds.
+
+// 5. const pence = paddedPenceNumberString.substring(paddedPenceNumberString.length - 2).padEnd(2, "0");
+ //     Gets the last two characters as pence.”
+
+ // 6. console.log(`£${pounds}.${pence}`);
+ //.   Finally combine pound and pence
\ No newline at end of file

From 837636d177ff21bd57ab1e571e24a4c7c5f13da3 Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Sat, 19 Sep 2026 21:05:40 +0100
Subject: [PATCH 13/22] learn about console and objects

---
 Sprint-2/4-stretch-explore/objects.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Sprint-2/4-stretch-explore/objects.md b/Sprint-2/4-stretch-explore/objects.md
index 0216dee56..a49d61a90 100644
--- a/Sprint-2/4-stretch-explore/objects.md
+++ b/Sprint-2/4-stretch-explore/objects.md
@@ -5,12 +5,18 @@ 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] }
 
 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?
-What does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
+console stores object. It stores a collection of methods that allow you to interact with the browser's developer console.
+what does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
+access the log property/method of the console object.
+access the assert method of the console object.
\ No newline at end of file

From 373e8ae3b2a0c5a08e181e0802896e5858fc00d3 Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Sat, 19 Sep 2026 21:10:50 +0100
Subject: [PATCH 14/22] Complete sprint 2 coursework

---
 Sprint-2/4-stretch-explore/chrome.md |  5 ++++-
 prep/errortest.js                    |  1 +
 prep/facts.js                        |  1 +
 prep/greeting.js                     |  6 ++++++
 prep/hello_world.js                  |  1 +
 prep/passwordChecker.js              | 14 ++++++++++++++
 prep/sprint-2/notes.md               | 13 +++++++++++++
 7 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 prep/errortest.js
 create mode 100644 prep/facts.js
 create mode 100644 prep/greeting.js
 create mode 100644 prep/hello_world.js
 create mode 100644 prep/passwordChecker.js
 create mode 100644 prep/sprint-2/notes.md

diff --git a/Sprint-2/4-stretch-explore/chrome.md b/Sprint-2/4-stretch-explore/chrome.md
index 962580b82..043cccd72 100644
--- a/Sprint-2/4-stretch-explore/chrome.md
+++ b/Sprint-2/4-stretch-explore/chrome.md
@@ -8,8 +8,11 @@ Let's try an example.
 In the Chrome console, invoke the function `alert` with one argument, the string `"Hello world!"`;
 
 What effect does calling the `alert` function have?
+alert(): shows the message to the users. in this case show "Hello world!" in the box and we can close it or click on the ok.
 
 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?
+What effect does calling the `prompt` function have? 
+prompt(): returns whatever the user enters. It is provide a textbox that we can type on it.
 What is the return value of `prompt`?
+The Return value of prompt is the text enter by user. in this example return name that we write in the box.
diff --git a/prep/errortest.js b/prep/errortest.js
new file mode 100644
index 000000000..0334b677d
--- /dev/null
+++ b/prep/errortest.js
@@ -0,0 +1 @@
+console.log (math.round(10.3);
\ No newline at end of file
diff --git a/prep/facts.js b/prep/facts.js
new file mode 100644
index 000000000..9a6bcf5de
--- /dev/null
+++ b/prep/facts.js
@@ -0,0 +1 @@
+console.log("It take two days to find how to choose Need reviews in PR just because a simple mistake.");
\ No newline at end of file
diff --git a/prep/greeting.js b/prep/greeting.js
new file mode 100644
index 000000000..a84bad1ae
--- /dev/null
+++ b/prep/greeting.js
@@ -0,0 +1,6 @@
+console.log("hello" === "hello");
+console.log("CYF" === "cyf");
+const homeTown = "Newcastle"
+console.log(homeTown === "liverpool");
+console.log(42 === 42);
+console.log(42 !== "42")
\ No newline at end of file
diff --git a/prep/hello_world.js b/prep/hello_world.js
new file mode 100644
index 000000000..940a3ff0e
--- /dev/null
+++ b/prep/hello_world.js
@@ -0,0 +1 @@
+console.log("Hello world!");
diff --git a/prep/passwordChecker.js b/prep/passwordChecker.js
new file mode 100644
index 000000000..e961c9dc9
--- /dev/null
+++ b/prep/passwordChecker.js
@@ -0,0 +1,14 @@
+const password = "secretword123";
+const userInput = "thisiswrong";
+const adminPassword = "override";
+let response = "";
+
+if (userInput === password){ 
+  response = "Correct password entered";
+} else if (userInput === adminPassword){
+  response = "Admin access granted";
+} else {
+  response = "Incorrect password!";
+}
+
+console.log(response);
diff --git a/prep/sprint-2/notes.md b/prep/sprint-2/notes.md
new file mode 100644
index 000000000..c0ef06f89
--- /dev/null
+++ b/prep/sprint-2/notes.md
@@ -0,0 +1,13 @@
+# Sprint 2 Notes
+
+## Things I have learned
+
+*
+
+## Commands I have used
+
+*
+
+## JavaScript
+
+*

From cfee6b6b199391a4cff54c301b22674fbe38c9a9 Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Sun, 20 Sep 2026 10:25:17 +0100
Subject: [PATCH 15/22] Remove unrelated prep files

---
 prep/errortest.js       |  1 -
 prep/facts.js           |  1 -
 prep/greeting.js        |  6 ------
 prep/hello_world.js     |  1 -
 prep/passwordChecker.js | 14 --------------
 5 files changed, 23 deletions(-)
 delete mode 100644 prep/errortest.js
 delete mode 100644 prep/facts.js
 delete mode 100644 prep/greeting.js
 delete mode 100644 prep/hello_world.js
 delete mode 100644 prep/passwordChecker.js

diff --git a/prep/errortest.js b/prep/errortest.js
deleted file mode 100644
index 0334b677d..000000000
--- a/prep/errortest.js
+++ /dev/null
@@ -1 +0,0 @@
-console.log (math.round(10.3);
\ No newline at end of file
diff --git a/prep/facts.js b/prep/facts.js
deleted file mode 100644
index 9a6bcf5de..000000000
--- a/prep/facts.js
+++ /dev/null
@@ -1 +0,0 @@
-console.log("It take two days to find how to choose Need reviews in PR just because a simple mistake.");
\ No newline at end of file
diff --git a/prep/greeting.js b/prep/greeting.js
deleted file mode 100644
index a84bad1ae..000000000
--- a/prep/greeting.js
+++ /dev/null
@@ -1,6 +0,0 @@
-console.log("hello" === "hello");
-console.log("CYF" === "cyf");
-const homeTown = "Newcastle"
-console.log(homeTown === "liverpool");
-console.log(42 === 42);
-console.log(42 !== "42")
\ No newline at end of file
diff --git a/prep/hello_world.js b/prep/hello_world.js
deleted file mode 100644
index 940a3ff0e..000000000
--- a/prep/hello_world.js
+++ /dev/null
@@ -1 +0,0 @@
-console.log("Hello world!");
diff --git a/prep/passwordChecker.js b/prep/passwordChecker.js
deleted file mode 100644
index e961c9dc9..000000000
--- a/prep/passwordChecker.js
+++ /dev/null
@@ -1,14 +0,0 @@
-const password = "secretword123";
-const userInput = "thisiswrong";
-const adminPassword = "override";
-let response = "";
-
-if (userInput === password){ 
-  response = "Correct password entered";
-} else if (userInput === adminPassword){
-  response = "Admin access granted";
-} else {
-  response = "Incorrect password!";
-}
-
-console.log(response);

From ccb29be8e535e4d053c9b71d17f9d5f85a8dc68e Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Sun, 20 Sep 2026 10:30:42 +0100
Subject: [PATCH 16/22] Remove prep files

---
 prep/sprint-2/notes.md | 13 -------------
 1 file changed, 13 deletions(-)
 delete mode 100644 prep/sprint-2/notes.md

diff --git a/prep/sprint-2/notes.md b/prep/sprint-2/notes.md
deleted file mode 100644
index c0ef06f89..000000000
--- a/prep/sprint-2/notes.md
+++ /dev/null
@@ -1,13 +0,0 @@
-# Sprint 2 Notes
-
-## Things I have learned
-
-*
-
-## Commands I have used
-
-*
-
-## JavaScript
-
-*

From 73b8e2648604a93801c9169cbcc1daee7c9f7ae0 Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Sun, 20 Sep 2026 17:59:52 +0100
Subject: [PATCH 17/22] fix the error

---
 Sprint-2/2-mandatory-errors/0.js | 2 +-
 Sprint-2/2-mandatory-errors/1.js | 3 ++-
 Sprint-2/2-mandatory-errors/2.js | 1 -
 Sprint-2/2-mandatory-errors/3.js | 2 +-
 Sprint-2/2-mandatory-errors/4.js | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Sprint-2/2-mandatory-errors/0.js b/Sprint-2/2-mandatory-errors/0.js
index ae4599ad6..ccf28a0fe 100644
--- a/Sprint-2/2-mandatory-errors/0.js
+++ b/Sprint-2/2-mandatory-errors/0.js
@@ -5,4 +5,4 @@
 We don't want the computer to run these 2 lines - how can we solve this problem???*/
 
 // we can put "//" in the beginning of the line so computer ignore them
-// or put them between /* and */
\ No newline at end of file
+// or put them between /* and */
diff --git a/Sprint-2/2-mandatory-errors/1.js b/Sprint-2/2-mandatory-errors/1.js
index 7f2157819..26ce53c60 100644
--- a/Sprint-2/2-mandatory-errors/1.js
+++ b/Sprint-2/2-mandatory-errors/1.js
@@ -3,4 +3,5 @@
 let age = 33;
 age = age + 1;
 console.log(`${age}`);
-//We should use let if we want to change the value.
\ No newline at end of file
+//We should use let if we want to change the value.
+//Before I changed const to let node show this error message: (Assignment to constant variable.)
diff --git a/Sprint-2/2-mandatory-errors/2.js b/Sprint-2/2-mandatory-errors/2.js
index bc947bb23..c728ae6fe 100644
--- a/Sprint-2/2-mandatory-errors/2.js
+++ b/Sprint-2/2-mandatory-errors/2.js
@@ -3,4 +3,3 @@
 const cityOfBirth = "Bolton";
 console.log(`I was born in ${cityOfBirth}`);
 // This error (Cannot access 'cityOfBirth' before initialization) is because we need to declare the variable before using it.
-
diff --git a/Sprint-2/2-mandatory-errors/3.js b/Sprint-2/2-mandatory-errors/3.js
index c7c3adfb5..f4482226c 100644
--- a/Sprint-2/2-mandatory-errors/3.js
+++ b/Sprint-2/2-mandatory-errors/3.js
@@ -1,4 +1,4 @@
 const cardNumber = 4533787178994213;
 const last4Digits = String(cardNumber).slice(-4);
 console.log(`${last4Digits}`);
-// we get error (cardNumber.slice is not a function) because slice is a String method
\ No newline at end of file
+// we get error (cardNumber.slice is not a function) because slice is a String method
diff --git a/Sprint-2/2-mandatory-errors/4.js b/Sprint-2/2-mandatory-errors/4.js
index 7d033910d..56d5f93bc 100644
--- a/Sprint-2/2-mandatory-errors/4.js
+++ b/Sprint-2/2-mandatory-errors/4.js
@@ -1,3 +1,3 @@
 const HourClockTime12 = "8:53pm";
 const hourClockTime24 = "20:53";
-//JavaScript variable names cannot start with a number.
\ No newline at end of file
+//JavaScript variable names cannot start with a number.

From 7d4131006e3ded53b2a37c76cd4b88e65a7676c5 Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Sun, 20 Sep 2026 19:00:52 +0100
Subject: [PATCH 18/22] correct the wrong answer

---
 Sprint-2/1-key-exercises/3-paths.js  | 4 ++--
 Sprint-2/1-key-exercises/4-random.js | 9 ++++-----
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/Sprint-2/1-key-exercises/3-paths.js b/Sprint-2/1-key-exercises/3-paths.js
index 96b1bf597..26178dcae 100644
--- a/Sprint-2/1-key-exercises/3-paths.js
+++ b/Sprint-2/1-key-exercises/3-paths.js
@@ -13,7 +13,7 @@ const filePath = "/Users/mitch/cyf/Module-JS1/week-1/interpret/file.txt";
 const lastSlashIndex = filePath.lastIndexOf("/");
 const base = filePath.slice(lastSlashIndex + 1);
 console.log(`The base part of ${filePath} is ${base}`);
-const dir = filePath.slice(0,`${lastSlashIndex}`-1);
+const dir = filePath.slice(0, `${lastSlashIndex}`);
 const ext = filePath.slice(filePath.lastIndexOf("."));
 console.log(`The dir part of ${filePath} is ${dir}`);
-console.log(`The ext part of this URL is ${ext}`);
\ No newline at end of file
+console.log(`The ext part of this URL is ${ext}`);
diff --git a/Sprint-2/1-key-exercises/4-random.js b/Sprint-2/1-key-exercises/4-random.js
index dbe4dbbd8..fb4f79bbc 100644
--- a/Sprint-2/1-key-exercises/4-random.js
+++ b/Sprint-2/1-key-exercises/4-random.js
@@ -1,13 +1,12 @@
 const minimum = 1;
 const maximum = 100;
-
 const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
 console.log(`${num}`);
 
 //num represents a random whole number between 1 and 100,
-//first we calculate value inside parentheses(maximum - minimum +1) = 100 -1 + 1 =100 
+//first we calculate value inside parentheses(maximum - minimum +1) = 100 -1 + 1 =100
 // math.random return number between 0 and 1
-// math.random() * 100 give us a integer number 
+// math.random() * 100 give us a decimal number
 // math.floor round down the number
-// add 1 to the result  
-//for example math.floor((0.783 *100))=78 + 1 = 79 
\ No newline at end of file
+// add 1 to the result
+//for example math.floor((0.783 *100))=78 + 1 = 79

From e7652365c9298a0511f92481dd0125778b7280cd Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Sun, 20 Sep 2026 19:16:06 +0100
Subject: [PATCH 19/22] changes answer

---
 Sprint-2/3-mandatory-interpret/2-time-format.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/3-mandatory-interpret/2-time-format.js b/Sprint-2/3-mandatory-interpret/2-time-format.js
index e73c3c51e..8ad9a113a 100644
--- a/Sprint-2/3-mandatory-interpret/2-time-format.js
+++ b/Sprint-2/3-mandatory-interpret/2-time-format.js
@@ -1,4 +1,4 @@
-const movieLength = 5467; // length of movie in seconds
+const movieLength = -98; // length of movie in seconds
 
 const remainingSeconds = movieLength % 60;
 const totalMinutes = (movieLength - remainingSeconds) / 60;
@@ -26,11 +26,11 @@ console.log(result);
 // console.log(13 % 5 ); 3
 
 // d) Interpret line 4, what does the expression assigned to totalMinutes mean?
-// This expression converts movie length from seconds into minutes 
+// This expression converts movie length from seconds into minutes
 
 // e) What do you think the variable result represents? Can you think of a better name for this variable?
-// Variable result represent the movie length formatted as hours, minutes, seconds , 
+// Variable result represent the movie length formatted as hours, minutes, seconds ,
 // another name could be movieTime
 
 // f) Try experimenting with different values of movieLength. Will this code work for all values of movieLength? Explain your answer
-// This code works for normal positive number representing but for negative number and very big number it is not working  
\ No newline at end of file
+//So the code works properly for whole numbers, but not for negative numbers and decimal numbers because the result can contain decimal values.

From 8c04eec5488241db3f4ba31dc90770cdab90ce4c Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Sun, 20 Sep 2026 19:19:44 +0100
Subject: [PATCH 20/22] format documets

---
 .../3-mandatory-interpret/1-percentage-change.js |  9 ++++-----
 Sprint-2/3-mandatory-interpret/3-to-pounds.js    | 16 ++++++++--------
 2 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/Sprint-2/3-mandatory-interpret/1-percentage-change.js b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
index 7ea76fa50..e1f7ae341 100644
--- a/Sprint-2/3-mandatory-interpret/1-percentage-change.js
+++ b/Sprint-2/3-mandatory-interpret/1-percentage-change.js
@@ -16,20 +16,19 @@ console.log(`The percentage change is ${percentageChange}`);
     replaceAll() - Line 4 and Line 5
     console.log() - Line 10*/
 
-
 // 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?
-   /* line 5 , There is a comma missing between "," and ""*/
+/* line 5 , There is a comma missing between "," and ""*/
 
 // c) Identify all the lines that are variable reassignment statements
-    /* Line 4 :carPrice = Number(carPrice.replaceAll(",", ""));
+/* Line 4 :carPrice = Number(carPrice.replaceAll(",", ""));
        Line5 : priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));
        carPrice and priceAfterOneYear were already declared on Line 1 and 2 using let */
 
 // d) Identify all the lines that are variable declarations
-       /* Line 1 : let carPrice = "10,000";
+/* Line 1 : let carPrice = "10,000";
           Line 2 : let priceAfterOneYear = "8,543";
           Line 7 : const priceDifference = carPrice - priceAfterOneYear;
           Line 8 : const percentageChange = (priceDifference / carPrice) * 100;*/
 
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
-        /*replaceAll remove all the commas from the string and Number convert string  to the number*/ 
\ No newline at end of file
+/*replaceAll remove all the commas from the string and Number convert string  to the number*/
diff --git a/Sprint-2/3-mandatory-interpret/3-to-pounds.js b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
index 7445a4689..9c814cf4f 100644
--- a/Sprint-2/3-mandatory-interpret/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-interpret/3-to-pounds.js
@@ -2,13 +2,13 @@ const penceString = "399p";
 
 const penceStringWithoutTrailingP = penceString.substring(
   0,
-  penceString.length - 1
+  penceString.length - 1,
 );
 
 const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
 const pounds = paddedPenceNumberString.substring(
   0,
-  paddedPenceNumberString.length - 2
+  paddedPenceNumberString.length - 2,
 );
 
 const pence = paddedPenceNumberString
@@ -27,17 +27,17 @@ console.log(`£${pounds}.${pence}`);
 // 1. const penceString = "399p": initialises a string variable with the value "399p"
 
 // 2. const penceStringWithoutTrailingP = penceString.substring(0,penceString.length - 1);
-//     create a new variable and put the string without p 
+//     create a new variable and put the string without p
 
 // 3.  const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
-//     padStart() adds characters to the beginning of a string to make it 3 characters long. 
-//     because we need to convert it to pound and pence 
+//     padStart() adds characters to the beginning of a string to make it 3 characters long.
+//     because we need to convert it to pound and pence
 
 // 4. const pounds = paddedPenceNumberString.substring(0,paddedPenceNumberString.length - 2);
 //    We remove the last 2 characters and store the remaining part of the string as pounds.
 
 // 5. const pence = paddedPenceNumberString.substring(paddedPenceNumberString.length - 2).padEnd(2, "0");
- //     Gets the last two characters as pence.”
+//     Gets the last two characters as pence.”
 
- // 6. console.log(`£${pounds}.${pence}`);
- //.   Finally combine pound and pence
\ No newline at end of file
+// 6. console.log(`£${pounds}.${pence}`);
+//.   Finally combine pound and pence

From 9663fde5686f4154620e77733833a85f361556ae Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Sun, 20 Sep 2026 20:16:34 +0100
Subject: [PATCH 21/22] Configure format on save and fix formatting

---
 Sprint-2/1-key-exercises/2-initials.js | 6 ++++--
 Sprint-2/4-stretch-explore/chrome.md   | 2 +-
 Sprint-2/4-stretch-explore/objects.md  | 2 +-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/Sprint-2/1-key-exercises/2-initials.js b/Sprint-2/1-key-exercises/2-initials.js
index 138065c74..9c4e8312e 100644
--- a/Sprint-2/1-key-exercises/2-initials.js
+++ b/Sprint-2/1-key-exercises/2-initials.js
@@ -1,6 +1,8 @@
 const firstName = "Creola";
 const middleName = "Katherine";
 const lastName = "Johnson";
-const initials = `${firstName.charAt(0)}` + `${middleName.charAt(0)}` + `${lastName.charAt(0)}`;
+const initials =
+  `${firstName.charAt(0)}` +
+  `${middleName.charAt(0)}` +
+  `${lastName.charAt(0)}`;
 console.log(`${initials}`);
-
diff --git a/Sprint-2/4-stretch-explore/chrome.md b/Sprint-2/4-stretch-explore/chrome.md
index 043cccd72..fa95e5b37 100644
--- a/Sprint-2/4-stretch-explore/chrome.md
+++ b/Sprint-2/4-stretch-explore/chrome.md
@@ -12,7 +12,7 @@ alert(): shows the message to the users. in this case show "Hello world!" in the
 
 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? 
+What effect does calling the `prompt` function have?
 prompt(): returns whatever the user enters. It is provide a textbox that we can type on it.
 What is the return value of `prompt`?
 The Return value of prompt is the text enter by user. in this example return name that we write in the box.
diff --git a/Sprint-2/4-stretch-explore/objects.md b/Sprint-2/4-stretch-explore/objects.md
index a49d61a90..91c0660c9 100644
--- a/Sprint-2/4-stretch-explore/objects.md
+++ b/Sprint-2/4-stretch-explore/objects.md
@@ -19,4 +19,4 @@ What does `console` store?
 console stores object. It stores a collection of methods that allow you to interact with the browser's developer console.
 what does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
 access the log property/method of the console object.
-access the assert method of the console object.
\ No newline at end of file
+access the assert method of the console object.

From 7fa22d67be72e0f56b0b76e27bdc3214be7bc2a2 Mon Sep 17 00:00:00 2001
From: shirinpanahian <sh.panahian@gmail.com>
Date: Sun, 20 Sep 2026 20:22:03 +0100
Subject: [PATCH 22/22] remove unnecessary backticks

---
 Sprint-2/1-key-exercises/3-paths.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-2/1-key-exercises/3-paths.js b/Sprint-2/1-key-exercises/3-paths.js
index 26178dcae..669b88cff 100644
--- a/Sprint-2/1-key-exercises/3-paths.js
+++ b/Sprint-2/1-key-exercises/3-paths.js
@@ -13,7 +13,7 @@ const filePath = "/Users/mitch/cyf/Module-JS1/week-1/interpret/file.txt";
 const lastSlashIndex = filePath.lastIndexOf("/");
 const base = filePath.slice(lastSlashIndex + 1);
 console.log(`The base part of ${filePath} is ${base}`);
-const dir = filePath.slice(0, `${lastSlashIndex}`);
+const dir = filePath.slice(0, lastSlashIndex);
 const ext = filePath.slice(filePath.lastIndexOf("."));
 console.log(`The dir part of ${filePath} is ${dir}`);
 console.log(`The ext part of this URL is ${ext}`);