From 200135d756c9b3a8dc6035dd0c2a66f492cef9f9 Mon Sep 17 00:00:00 2001 From: ofonimeedak Date: Fri, 27 Feb 2026 22:05:41 +0000 Subject: [PATCH 1/8] fixed 1-key-errors --- Sprint-2/1-key-errors/0.js | 20 ++++++++++++++++++-- Sprint-2/1-key-errors/1.js | 15 +++++++++++++-- Sprint-2/1-key-errors/2.js | 12 ++++++++++-- 3 files changed, 41 insertions(+), 6 deletions(-) diff --git a/Sprint-2/1-key-errors/0.js b/Sprint-2/1-key-errors/0.js index 653d6f5a0..327ff778e 100644 --- a/Sprint-2/1-key-errors/0.js +++ b/Sprint-2/1-key-errors/0.js @@ -2,12 +2,28 @@ // =============> write your prediction here // call the function capitalise with a string input + // interpret the error message and figure out why an error is occurring function capitalise(str) { - let str = `${str[0].toUpperCase()}${str.slice(1)}`; - return str; + let outputStr = `${str[0].toUpperCase()}${str.slice(1)}`; + console.log(outputStr); + return outputStr; } +capitalise("edak"); // =============> write your explanation here + +//expecting the function to return the characters of the string, with the first character capitalized. + +//syntaxError: Identifier 'str' has already been declared. +// The variable str has already been passed as parameter in the function (), declaring it again cause an identity error + // =============> write your new code here + +// function capitalise(str) { +// let outputStr = `${str[0].toUpperCase()}${str.slice(1)}`; +// console.log(outputStr); +// return outputStr; +//}; +//capitalise('edak') diff --git a/Sprint-2/1-key-errors/1.js b/Sprint-2/1-key-errors/1.js index f2d56151f..68ee312e4 100644 --- a/Sprint-2/1-key-errors/1.js +++ b/Sprint-2/1-key-errors/1.js @@ -1,8 +1,10 @@ // Predict and explain first... // Why will an error occur when this program runs? -// =============> write your prediction here +// =============> write your prediction here +// decimalNumber is supplied as a function parameter and and also declared as a variable, +// it will throw an identifier syntaxError. // Try playing computer with the example to work out what is going on function convertToPercentage(decimalNumber) { @@ -15,6 +17,15 @@ function convertToPercentage(decimalNumber) { console.log(decimalNumber); // =============> write your explanation here - +// playing computer with the first code throw syntaxError: decimalNumber has been already declared. // Finally, correct the code to fix the problem + // =============> write your new code here + +function convertToPercentage(decimalNumber) { + // const decimalNumber = 0.5; + const percentage = `${decimalNumber * 100}%`; + return percentage; +} + +console.log(convertToPercentage(0.5)); diff --git a/Sprint-2/1-key-errors/2.js b/Sprint-2/1-key-errors/2.js index aad57f7cf..66883626d 100644 --- a/Sprint-2/1-key-errors/2.js +++ b/Sprint-2/1-key-errors/2.js @@ -1,20 +1,28 @@ // Predict and explain first BEFORE you run any code... +//This code is to take one number function parameter and return area. // 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. +// syntaxError: passing an argument instead for a parameter. function square(3) { return num * num; } // =============> write the error message here +//SyntaxError:Unexpected number // =============> explain this error message here +//The function was not expecting number during declaration // Finally, correct the code to fix the problem -// =============> write your new code here +// =============> write your new code here +//function square(num) { + // return num * num; +//} +//console.log(square(3)) \ No newline at end of file From 74a33010280f33d771a42b855ce0b86e24c1e2c3 Mon Sep 17 00:00:00 2001 From: ofonimeedak Date: Fri, 27 Feb 2026 23:01:37 +0000 Subject: [PATCH 2/8] fixed mandatory -debug --- Sprint-2/2-mandatory-debug/0.js | 9 +++++++++ Sprint-2/2-mandatory-debug/1.js | 9 +++++++++ Sprint-2/2-mandatory-debug/2.js | 14 ++++++++++++++ 3 files changed, 32 insertions(+) diff --git a/Sprint-2/2-mandatory-debug/0.js b/Sprint-2/2-mandatory-debug/0.js index b27511b41..70d55f12e 100644 --- a/Sprint-2/2-mandatory-debug/0.js +++ b/Sprint-2/2-mandatory-debug/0.js @@ -1,6 +1,7 @@ // Predict and explain first... // =============> write your prediction here +// multiply function is to return the product of a and b function multiply(a, b) { console.log(a * b); @@ -9,6 +10,14 @@ function multiply(a, b) { console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`); // =============> write your explanation here +//The logic for multiplication is in the console.log() function which main purpose is to log it to the console. // Finally, correct the code to fix the problem + // =============> write your new code here + +//function multiply(a, b) { +// return (a * b); +//} + +//console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`); diff --git a/Sprint-2/2-mandatory-debug/1.js b/Sprint-2/2-mandatory-debug/1.js index 37cedfbcf..f71a98c7c 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 +// This function is to return the sum of a and b function sum(a, b) { return; @@ -9,5 +10,13 @@ function sum(a, b) { console.log(`The sum of 10 and 32 is ${sum(10, 32)}`); // =============> write your explanation here +// the function above throw error because it is terminated by the return statement even before it gets to the operation // Finally, correct the code to fix the problem + // =============> write your new code here + +//function sum(a, b) { +// return a + b; +//} + +//console.log(`The sum of 10 and 32 is ${sum(10, 32)}`); diff --git a/Sprint-2/2-mandatory-debug/2.js b/Sprint-2/2-mandatory-debug/2.js index 57d3f5dc3..e312cbff4 100644 --- a/Sprint-2/2-mandatory-debug/2.js +++ b/Sprint-2/2-mandatory-debug/2.js @@ -2,6 +2,7 @@ // Predict the output of the following code: // =============> Write your prediction here +//This code convert number to string and make a copy of the last character using the reverse indexing const num = 103; @@ -15,10 +16,23 @@ console.log(`The last digit of 806 is ${getLastDigit(806)}`); // Now run the code and compare the output to your prediction // =============> write the output here +//The last digit of 42 is 3 +//The last digit of 105 is 3 +//The last digit of 806 is 3 + // Explain why the output is the way it is // =============> write your explanation here +//The output is the way it is because the variable was declared as a fixed global variable and not as a function parameter // Finally, correct the code to fix the problem // =============> write your new code here +//function getLastDigit(num) { +//return num.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 From a9e0b1cd330b95d762fb178970ce026039277ac7 Mon Sep 17 00:00:00 2001 From: ofonimeedak Date: Sat, 28 Feb 2026 00:01:34 +0000 Subject: [PATCH 3/8] fixed mandatory implementation --- Sprint-2/3-mandatory-implement/1-bmi.js | 7 +++++-- Sprint-2/3-mandatory-implement/2-cases.js | 8 +++++++ Sprint-2/3-mandatory-implement/3-to-pounds.js | 21 +++++++++++++++++++ 3 files changed, 34 insertions(+), 2 deletions(-) diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js index 17b1cbde1..c05370060 100644 --- a/Sprint-2/3-mandatory-implement/1-bmi.js +++ b/Sprint-2/3-mandatory-implement/1-bmi.js @@ -15,5 +15,8 @@ // It should return their Body Mass Index to 1 decimal place function calculateBMI(weight, height) { - // return the BMI of someone based off their weight and height -} \ No newline at end of file + // return the BMI of someone based off their weight and height + const bmi = weight / height ** 2; + return Math.round(bmi * 10) / 10; +} +console.log(calculateBMI(70, 1.75)); diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js index 5b0ef77ad..fa8cddfc8 100644 --- a/Sprint-2/3-mandatory-implement/2-cases.js +++ b/Sprint-2/3-mandatory-implement/2-cases.js @@ -14,3 +14,11 @@ // You will need to come up with an appropriate name for the function // Use the MDN string documentation to help you find a solution // This might help https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase +function snakeCasing(str) { + const capitalize = str.toUpperCase(); + + const arr = capitalize.split(" "); + return arr.join("_"); +} + +console.log(snakeCasing("ofonime edak")); diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js index 6265a1a70..c8bff581e 100644 --- a/Sprint-2/3-mandatory-implement/3-to-pounds.js +++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js @@ -4,3 +4,24 @@ // You will need to declare a function called toPounds with an appropriately named parameter. // You should call this function a number of times to check it works for different inputs + +function toPounds(penceString) { + const penceStringWithoutTrailingP = penceString.substring( + 0, + penceString.length - 1 + ); + const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0"); + const pounds = paddedPenceNumberString.substring( + 0, + paddedPenceNumberString.length - 2 + ); + + const pence = paddedPenceNumberString + .substring(paddedPenceNumberString.length - 2) + .padEnd(2, "0"); + + return `£${pounds}.${pence}`; +} +console.log(toPounds("399p")); +console.log(toPounds("50p")); +console.log(toPounds("030p")); From 1942553db802679a216a27e0df7fbd93f1c62b18 Mon Sep 17 00:00:00 2001 From: ofonimeedak Date: Sat, 28 Feb 2026 01:18:13 +0000 Subject: [PATCH 4/8] fixed time format --- Sprint-2/4-mandatory-interpret/time-format.js | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/Sprint-2/4-mandatory-interpret/time-format.js b/Sprint-2/4-mandatory-interpret/time-format.js index 7c98eb0e8..c03a4d1b8 100644 --- a/Sprint-2/4-mandatory-interpret/time-format.js +++ b/Sprint-2/4-mandatory-interpret/time-format.js @@ -18,17 +18,20 @@ function formatTimeDisplay(seconds) { // a) When formatTimeDisplay is called how many times will pad be called? // =============> write your answer here - +// Pad is called once. // 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 - + // value of num=undefined // c) What is the return value of pad is called for the first time? // =============> write your answer here +// it returns a function object // 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 +//value is 0 +//the frame side when pad is called the last time num is assigned a value of 0 // 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 From 65c1eac17deb6df3b5de154ea26114c0c1ab3311 Mon Sep 17 00:00:00 2001 From: ofonimeedak Date: Sat, 28 Feb 2026 01:18:56 +0000 Subject: [PATCH 5/8] test cases --- Sprint-2/5-stretch-extend/format-time.js | 25 ++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/Sprint-2/5-stretch-extend/format-time.js b/Sprint-2/5-stretch-extend/format-time.js index 32a32e66b..2dbc99acf 100644 --- a/Sprint-2/5-stretch-extend/format-time.js +++ b/Sprint-2/5-stretch-extend/format-time.js @@ -10,16 +10,25 @@ function formatAs12HourClock(time) { return `${time} am`; } +//Test cases const currentOutput = formatAs12HourClock("08:00"); const targetOutput = "08:00 am"; -console.assert( - currentOutput === targetOutput, - `current output: ${currentOutput}, target output: ${targetOutput}` -); +console.assert(currentOutput === targetOutput, `current output: ${currentOutput}, target output: ${targetOutput}`); const currentOutput2 = formatAs12HourClock("23:00"); const targetOutput2 = "11:00 pm"; -console.assert( - currentOutput2 === targetOutput2, - `current output: ${currentOutput2}, target output: ${targetOutput2}` -); +console.assert(currentOutput2 === targetOutput2,`current output: ${currentOutput2}, target output: ${targetOutput2}`); + + +const currentOutput3 = formatAs12HourClock("00:00"); +const targetOutput3 = "12:00 am"; +console.assert(currentOutput3 === targetOutput3,`current output: ${currentOutput3}, target output: ${targetOutput3}`); + + +const currentOutput4= formatAs12HourClock("00:00"); +const targetOutput4= "12:00 am"; +console.assert(currentOutput4 === targetOutput4,`current output: ${currentOutput4}, target output: ${targetOutput4}`); + +const currentOutput5= formatAs12HourClock("15:01"); +const targetOutput5= "3:01 pm"; +console.assert(currentOutput5 === targetOutput5,`current output: ${currentOutput5}, target output: ${targetOutput5}`); From 87fc6408bf10dd77cad4a481b10d19870c6b0c17 Mon Sep 17 00:00:00 2001 From: ofonimeedak Date: Sat, 7 Mar 2026 20:57:19 +0000 Subject: [PATCH 6/8] Fixed First PR Review --- Sprint-2/2-mandatory-debug/1.js | 3 ++- Sprint-2/3-mandatory-implement/2-cases.js | 6 +++++ Sprint-2/4-mandatory-interpret/time-format.js | 24 ++++++++++++------- 3 files changed, 24 insertions(+), 9 deletions(-) diff --git a/Sprint-2/2-mandatory-debug/1.js b/Sprint-2/2-mandatory-debug/1.js index f71a98c7c..f6d719660 100644 --- a/Sprint-2/2-mandatory-debug/1.js +++ b/Sprint-2/2-mandatory-debug/1.js @@ -10,7 +10,8 @@ function sum(a, b) { console.log(`The sum of 10 and 32 is ${sum(10, 32)}`); // =============> write your explanation here -// the function above throw error because it is terminated by the return statement even before it gets to the operation +// the function above returns undefined because the return statement terminates +// the code before it gets to the operation (a+b) // Finally, correct the code to fix the problem // =============> write your new code here diff --git a/Sprint-2/3-mandatory-implement/2-cases.js b/Sprint-2/3-mandatory-implement/2-cases.js index fa8cddfc8..d8f974e53 100644 --- a/Sprint-2/3-mandatory-implement/2-cases.js +++ b/Sprint-2/3-mandatory-implement/2-cases.js @@ -22,3 +22,9 @@ function snakeCasing(str) { } console.log(snakeCasing("ofonime edak")); + +function snakeCasingAlt(str) { + return str.toUpperCase().replaceAll(" ", "_"); +} + +console.log(snakeCasingAlt("ofonime edak Sunday")); diff --git a/Sprint-2/4-mandatory-interpret/time-format.js b/Sprint-2/4-mandatory-interpret/time-format.js index c03a4d1b8..4ec397b52 100644 --- a/Sprint-2/4-mandatory-interpret/time-format.js +++ b/Sprint-2/4-mandatory-interpret/time-format.js @@ -1,5 +1,8 @@ function pad(num) { - return num.toString().padStart(2, "0"); + console.log(num); + const result = num.toString().padStart(2, "0"); + console.log(result); + return result; } function formatTimeDisplay(seconds) { @@ -8,9 +11,13 @@ function formatTimeDisplay(seconds) { const remainingMinutes = totalMinutes % 60; const totalHours = (totalMinutes - remainingMinutes) / 60; - return `${pad(totalHours)}:${pad(remainingMinutes)}:${pad(remainingSeconds)}`; + const time = `${pad(totalHours)}:${pad(remainingMinutes)}:${pad(remainingSeconds)}`; + console.log(time); + return time; } +formatTimeDisplay(61); + // You will need to play computer with this example - use the Python Visualiser https://pythontutor.com/visualize.html#mode=edit // to help you answer these questions @@ -18,20 +25,21 @@ function formatTimeDisplay(seconds) { // a) When formatTimeDisplay is called how many times will pad be called? // =============> write your answer here -// Pad is called once. +// Pad is called three times in line 11 of the formatTimeDisplay(). // 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 - // value of num=undefined +// value of num=0 // c) What is the return value of pad is called for the first time? // =============> write your answer here -// it returns a function object +// it returns 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 -//value is 0 -//the frame side when pad is called the last time num is assigned a value of 0 +//value is 1 +//the frame side when pad is called the last time num is assigned a value of 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 num is assigned a value of one when pad is called for the +// last time by the formatTimeDisplay function this value is used to evaluate the remaining seconds. From ff49d6c307e51071732c75667c143c7a083ae720 Mon Sep 17 00:00:00 2001 From: ofonimeedak Date: Sun, 8 Mar 2026 19:04:51 +0000 Subject: [PATCH 7/8] Fixed time format function bugs, and run test cases --- Sprint-2/5-stretch-extend/format-time.js | 49 ++++++++++++++++-------- 1 file changed, 33 insertions(+), 16 deletions(-) diff --git a/Sprint-2/5-stretch-extend/format-time.js b/Sprint-2/5-stretch-extend/format-time.js index 2dbc99acf..9fe7e8255 100644 --- a/Sprint-2/5-stretch-extend/format-time.js +++ b/Sprint-2/5-stretch-extend/format-time.js @@ -3,32 +3,49 @@ // Your task is to write tests for as many different groups of input data or edge cases as you can, and fix any bugs you find. function formatAs12HourClock(time) { - const hours = Number(time.slice(0, 2)); + const hours = time.slice(0, 2); + const minutes = time.slice(3, 5); + if (hours > 12) { - return `${hours - 12}:00 pm`; + return `${Number(hours) - 12}:${minutes} pm`; + } else if (Number(hours) === 0) { + return `12:${minutes} am`; } - return `${time} am`; + return `${hours}:${minutes} am`; } //Test cases const currentOutput = formatAs12HourClock("08:00"); const targetOutput = "08:00 am"; -console.assert(currentOutput === targetOutput, `current output: ${currentOutput}, target output: ${targetOutput}`); +console.assert( + currentOutput === targetOutput, + `current output: ${currentOutput}, target output: ${targetOutput}` +); const currentOutput2 = formatAs12HourClock("23:00"); const targetOutput2 = "11:00 pm"; -console.assert(currentOutput2 === targetOutput2,`current output: ${currentOutput2}, target output: ${targetOutput2}`); - +console.assert( + currentOutput2 === targetOutput2, + `current output: ${currentOutput2}, target output: ${targetOutput2}` +); const currentOutput3 = formatAs12HourClock("00:00"); const targetOutput3 = "12:00 am"; -console.assert(currentOutput3 === targetOutput3,`current output: ${currentOutput3}, target output: ${targetOutput3}`); - - -const currentOutput4= formatAs12HourClock("00:00"); -const targetOutput4= "12:00 am"; -console.assert(currentOutput4 === targetOutput4,`current output: ${currentOutput4}, target output: ${targetOutput4}`); - -const currentOutput5= formatAs12HourClock("15:01"); -const targetOutput5= "3:01 pm"; -console.assert(currentOutput5 === targetOutput5,`current output: ${currentOutput5}, target output: ${targetOutput5}`); +console.assert( + currentOutput3 === targetOutput3, + `current output: ${currentOutput3}, target output: ${targetOutput3}` +); + +const currentOutput5 = formatAs12HourClock("15:01"); +const targetOutput5 = "3:01 pm"; +console.assert( + currentOutput5 === targetOutput5, + `current output: ${currentOutput5}, target output: ${targetOutput5}` +); + +const currentOutput6 = formatAs12HourClock("15:01"); +const targetOutput6 = "3:01 pm"; +console.assert( + currentOutput6 === targetOutput6, + `current output: ${currentOutput6}, target output: ${targetOutput6}` +); From b2e5292c0a29ef8d98af68f7fac49e72aa84b8c3 Mon Sep 17 00:00:00 2001 From: ofonimeedak Date: Sun, 8 Mar 2026 19:53:01 +0000 Subject: [PATCH 8/8] fixed dead code in exercise 1 and 2 --- Sprint-3/3-dead-code/exercise-1.js | 9 +-------- Sprint-3/3-dead-code/exercise-2.js | 1 - 2 files changed, 1 insertion(+), 9 deletions(-) diff --git a/Sprint-3/3-dead-code/exercise-1.js b/Sprint-3/3-dead-code/exercise-1.js index 4d09f15fa..0f6b46a59 100644 --- a/Sprint-3/3-dead-code/exercise-1.js +++ b/Sprint-3/3-dead-code/exercise-1.js @@ -1,17 +1,10 @@ // Find the instances of unreachable and redundant code - remove them! // The sayHello function should continue to work for any reasonable input it's given. -let testName = "Jerry"; -const greeting = "hello"; - function sayHello(greeting, name) { const greetingStr = greeting + ", " + name + "!"; return `${greeting}, ${name}!`; - console.log(greetingStr); } - -testName = "Aman"; - -const greetingMessage = sayHello(greeting, testName); +const greetingMessage = sayHello('hello', 'Aman!'); console.log(greetingMessage); // 'hello, Aman!' diff --git a/Sprint-3/3-dead-code/exercise-2.js b/Sprint-3/3-dead-code/exercise-2.js index 56d7887c4..3f54850b3 100644 --- a/Sprint-3/3-dead-code/exercise-2.js +++ b/Sprint-3/3-dead-code/exercise-2.js @@ -2,7 +2,6 @@ // The countAndCapitalisePets function should continue to work for any reasonable input it's given, and you shouldn't modify the pets variable. const pets = ["parrot", "hamster", "horse", "dog", "hamster", "cat", "hamster"]; -const capitalisedPets = pets.map((pet) => pet.toUpperCase()); const petsStartingWithH = pets.filter((pet) => pet[0] === "h"); function logPets(petsArr) {