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Shadi A. #13

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8f72075
Implement book name detection
shmoonwalker Jan 28, 2026
439ffb3
Implement date parsing function
shmoonwalker Jan 28, 2026
7a5cd01
Add time conversion module
shmoonwalker Jan 28, 2026
1d635a0
Refactor the code based on DRY principle and improved clarity
shmoonwalker Jan 28, 2026
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14 changes: 11 additions & 3 deletions task-1/book.js
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Original file line number Diff line number Diff line change
@@ -1,3 +1,11 @@
function isBookApplicable(searchString) {
// Your code here
}
const bookTitle = "The fundamentals of JavaScript";

const cleanUpString = str => str.trim().toLowerCase();

const isBookApplicable = searchString => cleanUpString(bookTitle).includes(cleanUpString(searchString));

console.log(isBookApplicable("javascript"));
console.log(isBookApplicable("javascript "));
console.log(isBookApplicable("python"));
console.log(isBookApplicable("book"));
console.log(isBookApplicable("JAVASCRIPT"));
37 changes: 36 additions & 1 deletion task-2/parse-date.js
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Original file line number Diff line number Diff line change
@@ -1 +1,36 @@
// Your code here
const parseDateString = (input) => {
const separatorPosition = input.indexOf(" ");
if (separatorPosition === -1) return "Invalid date input";

const dateFormat = input.slice(0, separatorPosition);
const rawDate = input.slice(separatorPosition + 1);

const firstHyphen = rawDate.indexOf("-");
const secondHyphen = rawDate.lastIndexOf("-");

const partOne = Number(rawDate.slice(0, firstHyphen));
const partTwo = Number(rawDate.slice(firstHyphen + 1, secondHyphen));
const yearValue = Number(rawDate.slice(secondHyphen + 1));

if (isNaN(partOne) || isNaN(partTwo) || isNaN(yearValue)) {
return "Invalid date input";
}

if (dateFormat === "MDY") {
return {
month: partOne,
day: partTwo,
year: yearValue
};
}

if (dateFormat === "DMY") {
return {
day: partOne,
month: partTwo,
year: yearValue
};
}

return "Invalid date input";
};
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@mo92othman mo92othman Feb 5, 2026

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Good job👍

6 changes: 6 additions & 0 deletions task-3/date.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
export const convertHoursToMinutes = (hour) => hour * 60;
export const convertMinutesToHours = (minute) => minute / 60;
export const convertDaysToHours = (days) => days * 24;
export const convertHoursToDays = (hour) => hour / 24 ;
export const convertMinutesToSeconds = (minute) => minute * 60;
export const convertSecondsToMinutes = (second) => second / 60;
Comment on lines +1 to +6
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@mo92othman mo92othman Feb 5, 2026

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Nice use of arrow functions 👍

116 changes: 41 additions & 75 deletions task-4/cleanup.js
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Original file line number Diff line number Diff line change
@@ -1,80 +1,46 @@
// Temperature conversion and weather report for City 1
let cityName1 = "Amsterdam";
let tempCelsius1 = 22;
let tempFahrenheit1 = (tempCelsius1 * 9 / 5) + 32;
let tempKelvin1 = tempCelsius1 + 273.15;
console.log("Weather Report for " + cityName1);
console.log("Temperature: " + tempCelsius1 + "°C");
console.log("Temperature: " + tempFahrenheit1 + "°F");
console.log("Temperature: " + tempKelvin1 + "K");
if (tempCelsius1 < 0) {
console.log("Status: Freezing");
} else if (tempCelsius1 >= 0 && tempCelsius1 < 10) {
console.log("Status: Cold");
} else if (tempCelsius1 >= 10 && tempCelsius1 < 20) {
console.log("Status: Mild");
} else if (tempCelsius1 >= 20 && tempCelsius1 < 30) {
console.log("Status: Warm");
} else {
console.log("Status: Hot");
}
console.log("---");
const celsiusToFahrenheit = (celsius) => (celsius * 9 / 5) + 32;
const celsiusToKelvin = (celsius) => celsius + 273.15;

// Temperature conversion and weather report for City 2
let cityName2 = "Berlin";
let tempCelsius2 = 15;
let tempFahrenheit2 = (tempCelsius2 * 9 / 5) + 32;
let tempKelvin2 = tempCelsius2 + 273.15;
console.log("Weather Report for " + cityName2);
console.log("Temperature: " + tempCelsius2 + "°C");
console.log("Temperature: " + tempFahrenheit2 + "°F");
console.log("Temperature: " + tempKelvin2 + "K");
if (tempCelsius2 < 0) {
console.log("Status: Freezing");
} else if (tempCelsius2 >= 0 && tempCelsius2 < 10) {
console.log("Status: Cold");
} else if (tempCelsius2 >= 10 && tempCelsius2 < 20) {
console.log("Status: Mild");
} else if (tempCelsius2 >= 20 && tempCelsius2 < 30) {
console.log("Status: Warm");
} else {
console.log("Status: Hot");
}
console.log("---");
const getWeatherStatus = (celsius) => {
if (celsius < 0) return "Freezing";
if (celsius < 10) return "Cold";
if (celsius < 20) return "Mild";
if (celsius < 30) return "Warm";
return "Hot";
};

// Temperature conversion and weather report for City 3
let cityName3 = "Copenhagen";
let tempCelsius3 = -5;
let tempFahrenheit3 = (tempCelsius3 * 9 / 5) + 32;
let tempKelvin3 = tempCelsius3 + 273.15;
console.log("Weather Report for " + cityName3);
console.log("Temperature: " + tempCelsius3 + "°C");
console.log("Temperature: " + tempFahrenheit3 + "°F");
console.log("Temperature: " + tempKelvin3 + "K");
if (tempCelsius3 < 0) {
console.log("Status: Freezing");
} else if (tempCelsius3 >= 0 && tempCelsius3 < 10) {
console.log("Status: Cold");
} else if (tempCelsius3 >= 10 && tempCelsius3 < 20) {
console.log("Status: Mild");
} else if (tempCelsius3 >= 20 && tempCelsius3 < 30) {
console.log("Status: Warm");
} else {
console.log("Status: Hot");
}
console.log("---");
const calculateWindChill = (tempCelsius, windSpeed) =>
13.12
+ 0.6215 * tempCelsius
- 11.37 * Math.pow(windSpeed, 0.16)
+ 0.3965 * tempCelsius * Math.pow(windSpeed, 0.16);

// Wind chill calculation for City 1
let windSpeed1 = 15;
let windChill1 = 13.12 + 0.6215 * tempCelsius1 - 11.37 * Math.pow(windSpeed1, 0.16) + 0.3965 * tempCelsius1 * Math.pow(windSpeed1, 0.16);
console.log("Wind chill in " + cityName1 + ": " + windChill1.toFixed(2) + "°C");
const generateWeatherReport = (cityName, tempCelsius, windSpeed) => ({
city: cityName,
tempCelsius: tempCelsius,
tempFahrenheit: celsiusToFahrenheit(tempCelsius),
tempKelvin: celsiusToKelvin(tempCelsius),
status: getWeatherStatus(tempCelsius),
windChill: calculateWindChill(tempCelsius, windSpeed)
});

// Wind chill calculation for City 2
let windSpeed2 = 20;
let windChill2 = 13.12 + 0.6215 * tempCelsius2 - 11.37 * Math.pow(windSpeed2, 0.16) + 0.3965 * tempCelsius2 * Math.pow(windSpeed2, 0.16);
console.log("Wind chill in " + cityName2 + ": " + windChill2.toFixed(2) + "°C");
const displayWeatherReport = (report) => {
console.log("Weather Report for " + report.city);
console.log("Temperature: " + report.tempCelsius + "°C");
console.log("Temperature: " + report.tempFahrenheit.toFixed(2) + "°F");
console.log("Temperature: " + report.tempKelvin.toFixed(2) + "K");
console.log("Status: " + report.status);
console.log("Wind chill in " + report.city + ": " + report.windChill.toFixed(2) + "°C");
console.log("---");
};

// Wind chill calculation for City 3
let windSpeed3 = 25;
let windChill3 = 13.12 + 0.6215 * tempCelsius3 - 11.37 * Math.pow(windSpeed3, 0.16) + 0.3965 * tempCelsius3 * Math.pow(windSpeed3, 0.16);
console.log("Wind chill in " + cityName3 + ": " + windChill3.toFixed(2) + "°C");
const displayWeather = (cityName, tempCelsius, windSpeed) => {
const report = generateWeatherReport(cityName, tempCelsius, windSpeed);
displayWeatherReport(report);
};

displayWeather("Amsterdam", 22, 15);
displayWeather("Berlin", 15, 20);
displayWeather("Copenhagen", -5, 25);
displayWeather("Madrid", 30, 10);
displayWeather("Oslo", 5, 18);