diff --git a/.vscode/jsconfig.json b/.vscode/jsconfig.json new file mode 100644 index 00000000..e9441a49 --- /dev/null +++ b/.vscode/jsconfig.json @@ -0,0 +1,8 @@ +{ + "compilerOptions": { + "target": "esnext", + "lib": [ + "esnext" + ] + } +} \ No newline at end of file diff --git a/.vscode/main.js b/.vscode/main.js new file mode 100644 index 00000000..ec3bef50 --- /dev/null +++ b/.vscode/main.js @@ -0,0 +1,12 @@ +/// +/// +// @ts-check +// API: https://code.visualstudio.com/api/references/vscode-api + +function activate(_context) { + window.showInformationMessage('Hello, World!'); +} + +function deactivate() {} + +module.exports = { activate, deactivate } diff --git a/1-exercises/A-undefined/exercise.js b/1-exercises/A-undefined/exercise.js index 0acfc78d..1a75e5ca 100644 --- a/1-exercises/A-undefined/exercise.js +++ b/1-exercises/A-undefined/exercise.js @@ -12,25 +12,26 @@ // Example 1 let a; console.log(a); - +//because there is no value for a variable. // Example 2 function sayHello() { - let message = "Hello"; + let message = "Hello"; } let hello = sayHello(); console.log(hello); - +//because there is no return for sayHello function // Example 3 function sayHelloToUser(user) { - console.log(`Hello ${user}`); + console.log(`Hello ${user}`); } sayHelloToUser(); - +// there is no any value in the parenthesis of the function // Example 4 -let arr = [1,2,3]; +let arr = [1, 2, 3]; console.log(arr[3]); +// arr array doesn't have third value. diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js index b459888f..fdb42360 100644 --- a/1-exercises/B-while-loop/exercise.js +++ b/1-exercises/B-while-loop/exercise.js @@ -6,8 +6,17 @@ */ function evenNumbers(n) { - // TODO + let str = ""; + let x = 0; + while (x < n * 2) { + str += x + ","; + x += 2; + } + newStr = str.slice(0, -1); + console.log(newStr); } +//Note for reviewers: I can have written the code shorter but I wanted to write all of the numbers for each output on the same line. +// And I wanted to delete the last comma. evenNumbers(3); // should output 0,2,4 evenNumbers(0); // should output nothing diff --git a/1-exercises/C-while-loop-with-array/exercise.js b/1-exercises/C-while-loop-with-array/exercise.js index d584cd75..1fe598ef 100644 --- a/1-exercises/C-while-loop-with-array/exercise.js +++ b/1-exercises/C-while-loop-with-array/exercise.js @@ -5,19 +5,25 @@ */ const BIRTHDAYS = [ - "January 7th", - "February 12th", - "April 3rd", - "April 5th", - "May 3rd", - "July 11th", - "July 17th", - "September 28th", - "November 15th" + "January 7th", + "February 12th", + "April 3rd", + "April 5th", + "May 3rd", + "July 11th", + "July 17th", + "September 28th", + "November 15th", ]; function findFirstJulyBDay(birthdays) { - // TODO + let julyArr = []; + for (let i = 0; i < BIRTHDAYS.length; i++) { + if (BIRTHDAYS[i].includes("July")) { + julyArr.push(BIRTHDAYS[i]); + } + } + return julyArr[0]; } console.log(findFirstJulyBDay(BIRTHDAYS)); // should output "July 11th" diff --git a/1-exercises/D-do-while/exercise.js b/1-exercises/D-do-while/exercise.js index f10d0764..6617ccc1 100644 --- a/1-exercises/D-do-while/exercise.js +++ b/1-exercises/D-do-while/exercise.js @@ -7,9 +7,15 @@ */ function evenNumbersSum(n) { - // TODO + let x = 0; + let sum = 0; + do { + sum += x; + x += 2; + } while (x <= n); + return sum * 3; } console.log(evenNumbersSum(3)); // should output 6 console.log(evenNumbersSum(0)); // should output 0 -console.log(evenNumbersSum(10)); // should output 90 \ No newline at end of file +console.log(evenNumbersSum(10)); // should output 90 diff --git a/1-exercises/E-for-loop/exercise1.js b/1-exercises/E-for-loop/exercise1.js index db5fac64..9e22e69f 100644 --- a/1-exercises/E-for-loop/exercise1.js +++ b/1-exercises/E-for-loop/exercise1.js @@ -4,11 +4,9 @@ Change the while loop below into a for loop. */ - // Change the below code to use a for loop instead of a while loop. -let i = 0; -while(i < 26) { - console.log(String.fromCharCode(97 + i)); - i++; + +for (let i = 0; i < 26; i++) { + console.log(String.fromCharCode(97 + i)); } // The output shouldn't change. diff --git a/1-exercises/E-for-loop/exercise2.js b/1-exercises/E-for-loop/exercise2.js index 081002b2..5ccd0caa 100644 --- a/1-exercises/E-for-loop/exercise2.js +++ b/1-exercises/E-for-loop/exercise2.js @@ -11,21 +11,18 @@ */ const WRITERS = [ - "Virginia Woolf", - "Zadie Smith", - "Jane Austen", - "Bell Hooks", - "Yukiko Motoya" -] - -const AGES = [ - 59, - 40, - 41, - 63, - 49 + "Virginia Woolf", + "Zadie Smith", + "Jane Austen", + "Bell Hooks", + "Yukiko Motoya", ]; +const AGES = [59, 40, 41, 63, 49]; +for (let i = 0; i < WRITERS.length; i++) { + console.log(`${WRITERS[i]} is ${AGES[i]} years old`); +} + // TODO - Write for loop code here /* diff --git a/1-exercises/F-for-of-loop/exercise.js b/1-exercises/F-for-of-loop/exercise.js index 65585c6a..af420939 100644 --- a/1-exercises/F-for-of-loop/exercise.js +++ b/1-exercises/F-for-of-loop/exercise.js @@ -4,13 +4,18 @@ // TODO Use a for-of loop to output each of the tube stations below. let tubeStations = [ - "Aldgate", - "Baker Street", - "Picadilly Circus", - "Oxford Street", - "Tottenham Court Road" + "Aldgate", + "Baker Street", + "Picadilly Circus", + "Oxford Street", + "Tottenham Court Road", ]; - +for (const element of tubeStations) { + console.log(element); +} // TODO Use a for-of loop to capitalise and output each letter in the string seperately. let str = "codeyourfuture"; +for (const item of str) { + console.log(item.toUpperCase()); +} diff --git a/2-mandatory/1-weather-report.js b/2-mandatory/1-weather-report.js index dcc2bdb0..a145639d 100644 --- a/2-mandatory/1-weather-report.js +++ b/2-mandatory/1-weather-report.js @@ -12,52 +12,52 @@ */ function getTemperatureReport(cities) { - // TODO + let cityArr = []; + let citiesArr; + for (let city of cities) { + cityArr.push( + "The temperature in " + city + " is " + temperatureService(city) + " degrees" + ); + } + return cityArr; + // TODO } - /* ======= TESTS - DO NOT MODIFY ===== */ function temperatureService(city) { - let temparatureMap = new Map(); - - temparatureMap.set('London', 10); - temparatureMap.set('Paris', 12); - temparatureMap.set('Barcelona', 17); - temparatureMap.set('Dubai', 27); - temparatureMap.set('Mumbai', 29); - temparatureMap.set('São Paulo', 23); - temparatureMap.set('Lagos', 33); - - return temparatureMap.get(city); + let temparatureMap = new Map(); + + temparatureMap.set("London", 10); + temparatureMap.set("Paris", 12); + temparatureMap.set("Barcelona", 17); + temparatureMap.set("Dubai", 27); + temparatureMap.set("Mumbai", 29); + temparatureMap.set("São Paulo", 23); + temparatureMap.set("Lagos", 33); + + return temparatureMap.get(city); } test("should return a temperature report for the user's cities", () => { - let usersCities = [ - "London", - "Paris", - "São Paulo" - ] - - expect(getTemperatureReport(usersCities)).toEqual([ - "The temperature in London is 10 degrees", - "The temperature in Paris is 12 degrees", - "The temperature in São Paulo is 23 degrees" - ]); + let usersCities = ["London", "Paris", "São Paulo"]; + + expect(getTemperatureReport(usersCities)).toEqual([ + "The temperature in London is 10 degrees", + "The temperature in Paris is 12 degrees", + "The temperature in São Paulo is 23 degrees", + ]); }); test("should return a temperature report for the user's cities (alternate input)", () => { - let usersCities = [ - "Barcelona", - "Dubai" - ] - - expect(getTemperatureReport(usersCities)).toEqual([ - "The temperature in Barcelona is 17 degrees", - "The temperature in Dubai is 27 degrees" - ]); + let usersCities = ["Barcelona", "Dubai"]; + + expect(getTemperatureReport(usersCities)).toEqual([ + "The temperature in Barcelona is 17 degrees", + "The temperature in Dubai is 27 degrees", + ]); }); test("should return an empty array if the user hasn't selected any cities", () => { - expect(getTemperatureReport([])).toEqual([]); -}); \ No newline at end of file + expect(getTemperatureReport([])).toEqual([]); +}); diff --git a/2-mandatory/2-retrying-random-numbers.js b/2-mandatory/2-retrying-random-numbers.js index 10aab37d..0a45e3d0 100644 --- a/2-mandatory/2-retrying-random-numbers.js +++ b/2-mandatory/2-retrying-random-numbers.js @@ -5,20 +5,24 @@ // This function shouldn't be changed function generateRandomNumber() { - console.log("Generating number..."); - return Math.round(Math.random() * 100); + console.log("Generating number..."); + return Math.round(Math.random() * 100); } function getRandomNumberGreaterThan50() { - // TODO - implement using a do-while loop + let num = 0; + do { + num = generateRandomNumber(); + } while (num <= 50); + return num; } /* ======= TESTS - DO NOT MODIFY ===== */ test("Returned value should always be greater than 50", () => { - expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50); - expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50); - expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50); - expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50); - expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50); + expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50); + expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50); + expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50); + expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50); + expect(getRandomNumberGreaterThan50()).toBeGreaterThan(50); }); diff --git a/2-mandatory/3-financial-times.js b/2-mandatory/3-financial-times.js index 2ce6fb73..4be38ca5 100644 --- a/2-mandatory/3-financial-times.js +++ b/2-mandatory/3-financial-times.js @@ -5,7 +5,14 @@ Implement the function below, which will return a new array containing only article titles which will fit. */ function potentialHeadlines(allArticleTitles) { - // TODO + // TODO + let potentialArr = []; + for (let title of allArticleTitles) { + if (title.length <= 65) { + potentialArr.push(title); + } + } + return potentialArr; } /* @@ -14,7 +21,14 @@ function potentialHeadlines(allArticleTitles) { (you can assume words will always be seperated by a space) */ function titleWithFewestWords(allArticleTitles) { - // TODO + let spaceAmount = []; + + for (let title of allArticleTitles) { + spaceAmount.push(title.length - title.replaceAll(" ", "").length); + } + let fewestSpace = spaceAmount.indexOf(Math.min(...spaceAmount)); + return allArticleTitles[fewestSpace]; + // TODO } /* @@ -23,7 +37,13 @@ function titleWithFewestWords(allArticleTitles) { (Hint: remember that you can also loop through the characters of a string if you need to) */ function headlinesWithNumbers(allArticleTitles) { - // TODO + let headLinesWithNumArr = []; + for (let headline of allArticleTitles) { + if (/\d/.test(headline)) { + headLinesWithNumArr.push(headline); + } + } + return headLinesWithNumArr; } /* @@ -31,51 +51,64 @@ function headlinesWithNumbers(allArticleTitles) { Implement the function below to return this number - rounded to the nearest integer. */ function averageNumberOfCharacters(allArticleTitles) { - // TODO + let lengthOfTittles = []; + let total = 0; + for (let title of allArticleTitles) { + lengthOfTittles.push(title.length); + } + for (let index = 0; index < lengthOfTittles.length; index++) { + total += lengthOfTittles[index]; + } + let average = total / lengthOfTittles.length; + return Math.round(average); } - - /* ======= List of Articles - DO NOT MODIFY ===== */ const ARTICLE_TITLES = [ - "Streaming wars drive media groups to spend more than $100bn on new content", - "Amazon Prime Video India country head: streaming is driving a TV revolution", - "Aerospace chiefs prepare for bumpy ride in recovery of long-haul flights", - "British companies look to muscle in on US retail investing boom", - "Libor to take firm step towards oblivion on New Year's Day", - "Audit profession unattractive to new recruits, says PwC boss", - "Chinese social media users blast Elon Musk over near miss in space", - "Companies raise over $12tn in 'blockbuster' year for global capital markets", - "The three questions that dominate investment", - "Brussels urges Chile's incoming president to endorse EU trade deal", + "Streaming wars drive media groups to spend more than $100bn on new content", + "Amazon Prime Video India country head: streaming is driving a TV revolution", + "Aerospace chiefs prepare for bumpy ride in recovery of long-haul flights", + "British companies look to muscle in on US retail investing boom", + "Libor to take firm step towards oblivion on New Year's Day", + "Audit profession unattractive to new recruits, says PwC boss", + "Chinese social media users blast Elon Musk over near miss in space", + "Companies raise over $12tn in 'blockbuster' year for global capital markets", + "The three questions that dominate investment", + "Brussels urges Chile's incoming president to endorse EU trade deal", ]; /* ======= TESTS - DO NOT MODIFY ===== */ test("should only return potential headlines", () => { - expect(new Set(potentialHeadlines(ARTICLE_TITLES))).toEqual(new Set([ - "British companies look to muscle in on US retail investing boom", - "Libor to take firm step towards oblivion on New Year's Day", - "Audit profession unattractive to new recruits, says PwC boss", - "The three questions that dominate investment" - ])); + expect(new Set(potentialHeadlines(ARTICLE_TITLES))).toEqual( + new Set([ + "British companies look to muscle in on US retail investing boom", + "Libor to take firm step towards oblivion on New Year's Day", + "Audit profession unattractive to new recruits, says PwC boss", + "The three questions that dominate investment", + ]) + ); }); test("should return an empty array for empty input", () => { - expect(potentialHeadlines([])).toEqual([]); + expect(potentialHeadlines([])).toEqual([]); }); test("should return the title with the fewest words", () => { - expect(titleWithFewestWords(ARTICLE_TITLES)).toEqual("The three questions that dominate investment"); + expect(titleWithFewestWords(ARTICLE_TITLES)).toEqual( + "The three questions that dominate investment" + ); }); test("should only return headlines containing numbers", () => { - expect(new Set(headlinesWithNumbers(ARTICLE_TITLES))).toEqual(new Set([ - "Streaming wars drive media groups to spend more than $100bn on new content", - "Companies raise over $12tn in 'blockbuster' year for global capital markets" - ])); + expect(new Set(headlinesWithNumbers(ARTICLE_TITLES))).toEqual( + new Set([ + "Streaming wars drive media groups to spend more than $100bn on new content", + "Companies raise over $12tn in 'blockbuster' year for global capital markets", + ]) + ); }); test("should return the average number of characters in a headline", () => { - expect(averageNumberOfCharacters(ARTICLE_TITLES)).toEqual(65); + expect(averageNumberOfCharacters(ARTICLE_TITLES)).toEqual(65); }); diff --git a/2-mandatory/4-stocks.js b/2-mandatory/4-stocks.js index 72d62f94..a6d36d6f 100644 --- a/2-mandatory/4-stocks.js +++ b/2-mandatory/4-stocks.js @@ -11,13 +11,13 @@ const STOCKS = ["aapl", "msft", "amzn", "googl", "tsla"]; const CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS = [ - [179.19, 180.33, 176.28, 175.64, 172.99], // AAPL - [340.69, 342.45, 334.69, 333.20, 327.29], // MSFT - [3384.44, 3393.39, 3421.37, 3420.74, 3408.34], // AMZN - [2951.88, 2958.13, 2938.33, 2928.30, 2869.45], // GOOGL - [1101.30, 1093.94, 1067.00, 1008.87, 938.53] // TSLA + [179.19, 180.33, 176.28, 175.64, 172.99], // AAPL + [340.69, 342.45, 334.69, 333.2, 327.29], // MSFT + [3384.44, 3393.39, 3421.37, 3420.74, 3408.34], // AMZN + [2951.88, 2958.13, 2938.33, 2928.3, 2869.45], // GOOGL + [1101.3, 1093.94, 1067.0, 1008.87, 938.53], // TSLA ]; - +console.log(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS[1][1]); /* We want to understand what the average price over the last 5 days for each stock is. Implement the below function, which @@ -34,7 +34,18 @@ const CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS = [ Functions can help with this! */ function getAveragePrices(closingPricesForAllStocks) { - // TODO + let averageArr = []; + + for (let index of closingPricesForAllStocks) { + let total = 0; + for (let stockIndex in index) { + total += index[stockIndex]; + } + let aveNum = total / index.length; + + averageArr.push(Number(aveNum.toFixed(2))); + } + return averageArr; } /* @@ -48,7 +59,11 @@ function getAveragePrices(closingPricesForAllStocks) { The price change value should be rounded to 2 decimal places, and should be a number (not a string) */ function getPriceChanges(closingPricesForAllStocks) { - // TODO + let difference = []; + for (let index of closingPricesForAllStocks) { + difference.push(Number((index[index.length - 1] - index[0]).toFixed(2))); + } + return difference; } /* @@ -64,31 +79,42 @@ function getPriceChanges(closingPricesForAllStocks) { The price should be shown with exactly 2 decimal places. */ function highestPriceDescriptions(closingPricesForAllStocks, stocks) { - // TODO + let description = []; + let highestArr = []; + for (let index = 0; index < closingPricesForAllStocks.length; index++) { + highestArr.push(Math.max(...closingPricesForAllStocks[index])); + description.push( + `The highest price of ${stocks[ + index + ].toUpperCase()} in the last 5 days was ${highestArr[index].toFixed(2)}` + ); + } + return description; + // let fewestSpace = spaceAmount.indexOf(Math.min(...spaceAmount)); + // TODO } - /* ======= TESTS - DO NOT MODIFY ===== */ test("should return the average price for each stock", () => { - expect(getAveragePrices(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS)).toEqual( - [176.89, 335.66, 3405.66, 2929.22, 1041.93] - ); + expect(getAveragePrices(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS)).toEqual([ + 176.89, 335.66, 3405.66, 2929.22, 1041.93, + ]); }); test("should return the price change for each stock", () => { - expect(getPriceChanges(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS)).toEqual( - [-6.2, -13.4, 23.9, -82.43, -162.77] - ); + expect(getPriceChanges(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS)).toEqual([ + -6.2, -13.4, 23.9, -82.43, -162.77, + ]); }); test("should return a description of the highest price for each stock", () => { - expect(highestPriceDescriptions(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS, STOCKS)).toEqual( - [ - "The highest price of AAPL in the last 5 days was 180.33", - "The highest price of MSFT in the last 5 days was 342.45", - "The highest price of AMZN in the last 5 days was 3421.37", - "The highest price of GOOGL in the last 5 days was 2958.13", - "The highest price of TSLA in the last 5 days was 1101.30" - ] - ); + expect( + highestPriceDescriptions(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS, STOCKS) + ).toEqual([ + "The highest price of AAPL in the last 5 days was 180.33", + "The highest price of MSFT in the last 5 days was 342.45", + "The highest price of AMZN in the last 5 days was 3421.37", + "The highest price of GOOGL in the last 5 days was 2958.13", + "The highest price of TSLA in the last 5 days was 1101.30", + ]); }); diff --git a/3-extra/1-factorial.js b/3-extra/1-factorial.js index 31f8052c..ebd52ed4 100644 --- a/3-extra/1-factorial.js +++ b/3-extra/1-factorial.js @@ -9,19 +9,27 @@ */ function factorial(input) { - // TODO + let result = 1; + if (input === 0) { + result = 1; + } else { + while (input >= 1) { + result *= input; + input--; + } + } + return result; } - /* ======= TESTS - DO NOT MODIFY ===== */ test("3! should be 6", () => { - expect(factorial(3)).toEqual(6); + expect(factorial(3)).toEqual(6); }); test("5! should be 120", () => { - expect(factorial(5)).toEqual(120); + expect(factorial(5)).toEqual(120); }); test("10! should be 3628800", () => { - expect(factorial(10)).toEqual(3628800); + expect(factorial(10)).toEqual(3628800); }); diff --git a/3-extra/2-array-of-objects.js b/3-extra/2-array-of-objects.js index ee57960f..122337c5 100644 --- a/3-extra/2-array-of-objects.js +++ b/3-extra/2-array-of-objects.js @@ -11,72 +11,108 @@ */ function getHighestRatedInEachGenre(books) { - // TODO -} + const children = []; + const nonFiction = []; + const cooking = []; + const ChildrenRatingArr = []; + const nonFictionRatingArr = []; + const cookingRatingArr = []; + let bookNames = []; + for (let book of books) { + if (book.genre == "children") { + children.push(book); + } else if (book.genre == "non-fiction") { + nonFiction.push(book); + } else if (book.genre == "cooking") { + cooking.push(book); + } + } + for (let i = 0; i < nonFiction.length; i++) { + nonFictionRatingArr.push(nonFiction[i].rating); + } + let maxRatingOfNonFiction = Math.max(...nonFictionRatingArr); + let placeOfMaxNonFiction = nonFictionRatingArr.indexOf(maxRatingOfNonFiction); + bookNames.push(nonFiction[placeOfMaxNonFiction].title); + + for (let i = 0; i < children.length; i++) { + ChildrenRatingArr.push(children[i].rating); + } + let maxRatingOfChildren = Math.max(...ChildrenRatingArr); + let placeOfMaxChildren = ChildrenRatingArr.indexOf(maxRatingOfChildren); + bookNames.push(children[placeOfMaxChildren].title); + for (let i = 0; i < cooking.length; i++) { + cookingRatingArr.push(cooking[i].rating); + } + let maxRatingOfCooking = Math.max(...cookingRatingArr); + let placeOfMaxCooking = cookingRatingArr.indexOf(maxRatingOfCooking); + bookNames.push(cooking[placeOfMaxCooking].title); + return bookNames; +} /* ======= Book data - DO NOT MODIFY ===== */ -const BOOKS = [ - { - title: "The Lion, the Witch and the Wardrobe", - genre: "children", - rating: 4.7 - }, - { - title: "Sapiens: A Brief History of Humankind", - genre: "non-fiction", - rating: 4.7 - }, - { - title: "Nadiya's Fast Flavours", - genre: "cooking", - rating: 4.7 - }, - { - title: "Harry Potter and the Philosopher's Stone", - genre: "children", - rating: 4.8 - }, - { - title: "A Life on Our Planet", - genre: "non-fiction", - rating: 4.8 - }, - { - title: "Dishoom: The first ever cookbook from the much-loved Indian restaurant", - genre: "cooking", - rating: 4.85 - }, - { - title: "Gangsta Granny Strikes Again!", - genre: "children", - rating: 4.9 - }, - { - title: "Diary of a Wimpy Kid", - genre: "children", - rating: 4.6 - }, - { - title: "BOSH!: Simple recipes. Unbelievable results. All plants.", - genre: "cooking", - rating: 4.6 - }, - { - title: "The Book Your Dog Wishes You Would Read", - genre: "non-fiction", - rating: 4.85 - }, -] +const BOOKS = [ + { + title: "The Lion, the Witch and the Wardrobe", + genre: "children", + rating: 4.7, + }, + { + title: "Sapiens: A Brief History of Humankind", + genre: "non-fiction", + rating: 4.7, + }, + { + title: "Nadiya's Fast Flavours", + genre: "cooking", + rating: 4.7, + }, + { + title: "Harry Potter and the Philosopher's Stone", + genre: "children", + rating: 4.8, + }, + { + title: "A Life on Our Planet", + genre: "non-fiction", + rating: 4.8, + }, + { + title: + "Dishoom: The first ever cookbook from the much-loved Indian restaurant", + genre: "cooking", + rating: 4.85, + }, + { + title: "Gangsta Granny Strikes Again!", + genre: "children", + rating: 4.9, + }, + { + title: "Diary of a Wimpy Kid", + genre: "children", + rating: 4.6, + }, + { + title: "BOSH!: Simple recipes. Unbelievable results. All plants.", + genre: "cooking", + rating: 4.6, + }, + { + title: "The Book Your Dog Wishes You Would Read", + genre: "non-fiction", + rating: 4.85, + }, +]; /* ======= TESTS - DO NOT MODIFY ===== */ test("should return the highest rated book in each genre", () => { - expect(new Set(getHighestRatedInEachGenre(BOOKS))).toEqual(new Set( - [ - "The Book Your Dog Wishes You Would Read", - "Gangsta Granny Strikes Again!", - "Dishoom: The first ever cookbook from the much-loved Indian restaurant" - ] - )); -}); \ No newline at end of file + expect(new Set(getHighestRatedInEachGenre(BOOKS))).toEqual( + new Set([ + "The Book Your Dog Wishes You Would Read", + "Gangsta Granny Strikes Again!", + "Dishoom: The first ever cookbook from the much-loved Indian restaurant", + ]) + ); +}); diff --git a/3-extra/3-fibonacci.js b/3-extra/3-fibonacci.js index 9ef9aec7..60705764 100644 --- a/3-extra/3-fibonacci.js +++ b/3-extra/3-fibonacci.js @@ -14,24 +14,27 @@ */ function generateFibonacciSequence(n) { - // TODO + fibArr = [0, 1]; + for (let i = 2; i < n; i++) { + fibArr.push(fibArr[fibArr.length - 1] + fibArr[fibArr.length - 2]); + } + return fibArr; } +console.log(generateFibonacciSequence(10)); /* ======= TESTS - DO NOT MODIFY ===== */ test("should return the first 10 numbers in the Fibonacci Sequence", () => { - expect(generateFibonacciSequence(10)).toEqual( - [0, 1, 1, 2, 3, 5, 8, 13, 21, 34] - ); + expect(generateFibonacciSequence(10)).toEqual([ + 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, + ]); }); test("should return the first 5 numbers in the Fibonacci Sequence", () => { - expect(generateFibonacciSequence(5)).toEqual( - [0, 1, 1, 2, 3] - ); + expect(generateFibonacciSequence(5)).toEqual([0, 1, 1, 2, 3]); }); test("should return the first 15 numbers in the Fibonacci Sequence", () => { - expect(generateFibonacciSequence(15)).toEqual( - [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377] - ); -}); \ No newline at end of file + expect(generateFibonacciSequence(15)).toEqual([ + 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, + ]); +});