Deleted the changes of the sprint one file to meet the mata Data validation

Ebrahim-Moqbel · Ebrahim-Moqbel · commit 1c37d582297f · 2026-02-28T01:26:11.000Z
diff --git a/Sprint-1/1-key-exercises/1-count.js b/Sprint-1/1-key-exercises/1-count.js
@@ -4,5 +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 an assignment where = is an assignment operator and in there we are adding value of 1 to the count variable
diff --git a/Sprint-1/1-key-exercises/2-initials.js b/Sprint-1/1-key-exercises/2-initials.js
@@ -6,6 +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 = ``;
-console.log(`the initials is ${firstName.charAt(0)}, ${middleName.charAt(0), lastName.charAt(0)}`);
 
-// https://www.google.com/search?q=get+first+character+of+string+mdn
+// 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
@@ -15,10 +15,9 @@ 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 
+// Create a variable to store the ext part of the variable
 
-const dir = filePath.slice(0, lastSlashIndex);
-const ext =  filePath.slice(filePath.lastIndexOf("."));
+const dir = ;
+const ext = ;
 
-
-// https://www.google.com/search?q=slice+mdn 
+// https://www.google.com/search?q=slice+mdn
diff --git a/Sprint-1/1-key-exercises/4-random.js b/Sprint-1/1-key-exercises/4-random.js
@@ -7,10 +7,3 @@ const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;
 // 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
-
-// math.floor will make the number as a whole and remove any decimals or more likely to round the the nearest whole number
-// math.random will generate a random number from 0 to 1 but not 1 
-// (maximum - minimum + 1) provide a range of generated random number 
-// num is a random whole number between 1 and 100 
-
-console.log(num);
diff --git a/Sprint-1/2-mandatory-errors/0.js b/Sprint-1/2-mandatory-errors/0.js
@@ -1,2 +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?
+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?
diff --git a/Sprint-1/2-mandatory-errors/1.js b/Sprint-1/2-mandatory-errors/1.js
@@ -1,4 +1,4 @@
 // trying to create an age variable and then reassign the value by 1
 
-let age = 33;
+const age = 33;
 age = age + 1;
diff --git a/Sprint-1/2-mandatory-errors/2.js b/Sprint-1/2-mandatory-errors/2.js
@@ -1,8 +1,5 @@
 // Currently trying to print the string "I was born in Bolton" but it isn't working...
 // what's the error ?
 
-const cityOfBirth = "Bolton";
 console.log(`I was born in ${cityOfBirth}`);
-//const cityOfBirth = "Bolton";
-
-// the error is that cityOfBirth varaible declared after the logging command
+const cityOfBirth = "Bolton";
diff --git a/Sprint-1/2-mandatory-errors/3.js b/Sprint-1/2-mandatory-errors/3.js
@@ -1,12 +1,9 @@
 const cardNumber = 4533787178994213;
-//const last4Digits = cardNumber.slice(-4);
+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
-
-// I predicted the last four digits bit it has to be a string in order to use the method slice and that explain why it wasn't working
-const last4Digits = cardNumber.toString.slice(-4);
diff --git a/Sprint-1/2-mandatory-errors/4.js b/Sprint-1/2-mandatory-errors/4.js
@@ -1,2 +1,2 @@
-const twelveHourClockTime = "20:53";
-const twentyFourHourClockTime = "08:53";
+const 12HourClockTime = "20:53";
+const 24hourClockTime = "08:53";
diff --git a/Sprint-1/3-mandatory-interpret/1-percentage-change.js b/Sprint-1/3-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;
@@ -12,27 +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
-//1-carPrice.replaceAll(",", "") in line 4
-//3-number(...) in line 4 - enumerate the first result of replaceAll
-//2-priceAfterOneYear.replaceAll("," ,"")) in line 5
-//4-number(...) in line 5 - enumerate the second result of replaceAll
-//5-console.log(..) - line 9
-
 
 // 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?
-// the error is : a syntax error coming from the missing comma in line 5 between the arguments 
-
-
 
 // c) Identify all the lines that are variable reassignment statements
-// const priceDifference = carPrice - priceAfterOneYear;  Line 7
-// const percentageChange = (priceDifference / carPrice) * 100;  Line 8
 
 // d) Identify all the lines that are variable declarations
-// carPrice = Number(carPrice.replaceAll(",", ""));  Line 4
-// priceAfterOneYear = Number(priceAfterOneYear.replaceAll(",", ""));  Line 5
 
 // e) Describe what the expression Number(carPrice.replaceAll(",","")) is doing - what is the purpose of this expression?
-// the number function convert the enumerate a string to a number and the method replaceAll replace ever comma with a space
-// the purpose is to clean the value so that it can be converted to a proper number using Number().
-
diff --git a/Sprint-1/3-mandatory-interpret/2-time-format.js b/Sprint-1/3-mandatory-interpret/2-time-format.js
@@ -1,5 +1,4 @@
-
-const movieLength = -8789; // length of movie in seconds
+const movieLength = 8784; // length of movie in seconds
 
 const remainingSeconds = movieLength % 60;
 const totalMinutes = (movieLength - remainingSeconds) / 60;
@@ -13,29 +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?
-// There are 5 variable declarations
 
 // b) How many function calls are there?
-// There are 4 function calls  in line 9 and 10
 
 // c) Using documentation, explain what the expression movieLength % 60 represents
 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators
-// % is a modulo operator that return the remainder of a multiplied number 
 
 // d) Interpret line 4, what does the expression assigned to totalMinutes mean?
-// movieLength subtract the left over seconds from the total seconds(movieLength) to get a number that is divisible by 60
-// when dividing by 60 would convert the remaining seconds into whole minutes which ensures there is no decimal in totalMinutes
-
 
 // e) What do you think the variable result represents? Can you think of a better name for this variable?
-// results present length of movie formatted as Hours:Minutes:Seconds and a better name could be movieDuration
-
 
 // f) Try experimenting with different values of movieLength. Will this code work for all values of movieLength? Explain your answer
-
-// whole positive value: for the 8789 seconds the formatted duration would be fine 2:26:29 and the code would be working as expected 
-// under 60 seconds: 59 seconds would assign the hours and minutes both as 0s resulting 0:0:59 instead of the normal formatted way 00:00:59 but still correct 
-// zero value: the formatted duration would also be correct 0:0:0 even though it is an unusual value it still show that it can handle it 
-// Negative value: for the -8789 seconds would give us an output of -2:-26:-29 which is not a valid format and doesn't make any sense
-// the logic breaks where we need to give the user a message to enter a valid number 
-// 
diff --git a/Sprint-1/3-mandatory-interpret/3-to-pounds.js b/Sprint-1/3-mandatory-interpret/3-to-pounds.js
@@ -23,23 +23,5 @@ console.log(`£${pounds}.${pence}`);
 // You need to do a step-by-step breakdown of each line in this program
 // Try and describe the purpose / rationale behind each step
 
-
 // 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); reassigned a new value 
-// using the method substring starting form the index 0 ="3" and ending with -1 exclusively meaning doesn't include 'p' 
-// resulting with a numeric part of the price which is '399'
-
-//3.const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
-// ensure the number in a 3 digits format by adding zeros minding the consistency of the formatting.
-
-//4.const pounds = paddedPenceNumberString.substring(0,paddedPenceNumberString.length - 2);
-//extracts everything except the last two number to form the pound portion of the price
-
-//5.const pence = paddedPenceNumberString.substring(paddedPenceNumberString.length - 2).padEnd(2, "0");
-//extracts the last two digits to form the pence portion of the price and the padEnd method ensure the number in a two digits format consistent 
-
-//6.console.log(`£${pounds}.${pence}`);
-//Combines everything into the final formatted price string. Result: £3.99
-//basically the program will take the string "399p" and print out a string of "£3.99"
diff --git a/Sprint-1/4-stretch-explore/chrome.md b/Sprint-1/4-stretch-explore/chrome.md
@@ -11,11 +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?
-It shows a message on the middle top of the page with a sting "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?
-It shows a pop up box message with the sting "What is your name?" as an input in the middle top of the page 
-What is the return value of `prompt`? 
-it returns the text the user enters or an empty string if enter nothing in case cancel would return null
+What is the return value of `prompt`?
diff --git a/Sprint-1/4-stretch-explore/objects.md b/Sprint-1/4-stretch-explore/objects.md
@@ -5,16 +5,12 @@ 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?
-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`
 
 Answer the following questions:
 
 What does `console` store?
-The console stores the history of messages your code prints while it runs
 What does the syntax `console.log` or `console.assert` mean? In particular, what does the `.` mean?
-"." is called a dot notation where we can get access sth that belong to an object and the syntax means that we are accessing the methods that belong to the object console.
