diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 00000000..e4063e86 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,6 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +/.idea diff --git a/.idea/JavaScript-Core-1-Coursework-Week4.iml b/.idea/JavaScript-Core-1-Coursework-Week4.iml new file mode 100644 index 00000000..0c8867d7 --- /dev/null +++ b/.idea/JavaScript-Core-1-Coursework-Week4.iml @@ -0,0 +1,12 @@ + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 00000000..7819e8a9 --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 00000000..35eb1ddf --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/1-exercises/A-array-find/exercise.js b/1-exercises/A-array-find/exercise.js index 35902fed..ab62a48a 100644 --- a/1-exercises/A-array-find/exercise.js +++ b/1-exercises/A-array-find/exercise.js @@ -4,6 +4,13 @@ */ // write your code here +function isLongNameAndStartsWithA(name) { + return name.length > 7 && name.startsWith('A'); +} + +function findLongNameThatStartsWithA(array){ + return array.find(isLongNameAndStartsWithA) +} let names = [ "Rakesh", diff --git a/1-exercises/B-array-some/exercise.js b/1-exercises/B-array-some/exercise.js index fddc69ee..a765a7f3 100644 --- a/1-exercises/B-array-some/exercise.js +++ b/1-exercises/B-array-some/exercise.js @@ -7,11 +7,18 @@ */ let pairsByIndex = [[0, 3], [1, 2], [2, 1], null, [3, 0]]; - +function isNull(item) { + return item === null; +} // If there is a null value in the array exit the program with the error code // https://nodejs.org/api/process.html#process_process_exit_code // process.exit(1); +if (pairsByIndex.some(isNull)){ + console.log('exit code 1'); + process.exit(1); +} + let students = ["Islam", "Lesley", "Harun", "Rukmini"]; let mentors = ["Daniel", "Irina", "Mozafar", "Luke"]; diff --git a/1-exercises/C-array-every/exercise.js b/1-exercises/C-array-every/exercise.js index 347b9632..74ec5787 100644 --- a/1-exercises/C-array-every/exercise.js +++ b/1-exercises/C-array-every/exercise.js @@ -5,7 +5,7 @@ let students = ["Omar", "Austine", "Dany", "Swathi", "Lesley", "Rukmini"]; let group = ["Austine", "Dany", "Swathi", "Daniel"]; -let groupIsOnlyStudents; // complete this statement +let groupIsOnlyStudents = group.every(name=>students.includes(name)); // complete this statement if (groupIsOnlyStudents) { console.log("The group contains only students"); diff --git a/1-exercises/D-array-filter/exercise.js b/1-exercises/D-array-filter/exercise.js index 51837028..bb1973ec 100644 --- a/1-exercises/D-array-filter/exercise.js +++ b/1-exercises/D-array-filter/exercise.js @@ -8,7 +8,7 @@ let pairsByIndexRaw = [[0, 3], [1, 2], [2, 1], null, [1], false, "whoops"]; -let pairsByIndex; // Complete this statement +let pairsByIndex = pairsByIndexRaw.filter(pair=> Array.isArray(pair) && pair.length === 2); // Complete this statement let students = ["Islam", "Lesley", "Harun", "Rukmini"]; let mentors = ["Daniel", "Irina", "Mozafar", "Luke"]; diff --git a/1-exercises/E-array-map/exercise.js b/1-exercises/E-array-map/exercise.js index 5a157279..91d4b71d 100644 --- a/1-exercises/E-array-map/exercise.js +++ b/1-exercises/E-array-map/exercise.js @@ -3,7 +3,7 @@ let numbers = [0.1, 0.2, 0.3, 0.4, 0.5]; -let numbersMultipliedByOneHundred; // complete this statement +let numbersMultipliedByOneHundred = numbers.map(n => n*100); // complete this statement console.log(numbersMultipliedByOneHundred); diff --git a/1-exercises/F-array-forEach/exercise.js b/1-exercises/F-array-forEach/exercise.js index 985068cc..4ec11345 100644 --- a/1-exercises/F-array-forEach/exercise.js +++ b/1-exercises/F-array-forEach/exercise.js @@ -9,6 +9,18 @@ let arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]; +arr.forEach(num => { + if(num % 3 === 0 && num % 5 === 0) { + console.log('FizzBuzz'); + } else if(num % 5 === 0) { + console.log('Buzz'); + } else if(num % 3 === 0){ + console.log('Fizz'); + } else { + console.log(num); + } +}) + /* EXPECTED OUTPUT */ /* diff --git a/1-exercises/G-array-methods/exercise.js b/1-exercises/G-array-methods/exercise.js index 4367ef6e..bc504f2a 100644 --- a/1-exercises/G-array-methods/exercise.js +++ b/1-exercises/G-array-methods/exercise.js @@ -4,7 +4,7 @@ */ let numbers = [3, 2, 1]; -let sortedNumbers; // complete this statement +let sortedNumbers = numbers.sort(); // complete this statement /* DO NOT EDIT BELOW THIS LINE diff --git a/1-exercises/G-array-methods/exercise2.js b/1-exercises/G-array-methods/exercise2.js index 4c68c3a6..fb100649 100644 --- a/1-exercises/G-array-methods/exercise2.js +++ b/1-exercises/G-array-methods/exercise2.js @@ -7,7 +7,7 @@ let mentors = ["Daniel", "Irina", "Rares"]; let students = ["Rukmini", "Abdul", "Austine", "Swathi"]; -let everyone; // complete this statement +let everyone = mentors.concat(students); // complete this statement /* DO NOT EDIT BELOW THIS LINE diff --git a/1-exercises/H-array-methods-2/exercise.js b/1-exercises/H-array-methods-2/exercise.js index 59c5daa7..02adbaa8 100644 --- a/1-exercises/H-array-methods-2/exercise.js +++ b/1-exercises/H-array-methods-2/exercise.js @@ -15,8 +15,8 @@ let everyone = [ "Swathi", ]; -let firstFive; // complete this statement -let lastFive; // complete this statement +let firstFive = everyone.slice(0, 5); // complete this statement +let lastFive = everyone.slice(-5); // complete this statement /* DO NOT EDIT BELOW THIS LINE diff --git a/1-exercises/H-array-methods-2/exercise2.js b/1-exercises/H-array-methods-2/exercise2.js index 14bb4318..b2dfea69 100644 --- a/1-exercises/H-array-methods-2/exercise2.js +++ b/1-exercises/H-array-methods-2/exercise2.js @@ -7,7 +7,9 @@ Tip: use the string method .split() and the array method .join() */ -function capitalise(str) {} +function capitalise(str) { + return str.split('')[0].toUpperCase() + str.slice(1) +} /* DO NOT EDIT BELOW THIS LINE diff --git a/1-exercises/H-array-methods-2/exercise3.js b/1-exercises/H-array-methods-2/exercise3.js index c8e079e4..7279417e 100644 --- a/1-exercises/H-array-methods-2/exercise3.js +++ b/1-exercises/H-array-methods-2/exercise3.js @@ -7,7 +7,7 @@ let ukNations = ["Scotland", "Wales", "England", "Northern Ireland"]; function isInUK(country) { - return; // complete this statement + return ukNations.includes(country); // complete this statement } /* diff --git a/1-exercises/I-string-replace/exercise.js b/1-exercises/I-string-replace/exercise.js index 3f7104d7..5f7ff508 100644 --- a/1-exercises/I-string-replace/exercise.js +++ b/1-exercises/I-string-replace/exercise.js @@ -13,7 +13,10 @@ let story = "I like dogs. One day I went to the park and I saw 10 dogs. It was a great day."; -let result = story.replace("", ""); +let result = story.replace("dogs", "cats"); +result = result.replace("day", "night"); +result = result.replace("10 dogs", "100000 cats"); +result = result.replace("great day", "brilliant night"); /* EXPECTED OUTPUT */ diff --git a/1-exercises/J-string-substring/exercise.js b/1-exercises/J-string-substring/exercise.js index 4624db68..14288304 100644 --- a/1-exercises/J-string-substring/exercise.js +++ b/1-exercises/J-string-substring/exercise.js @@ -6,7 +6,7 @@ let statement = "I like programming and dogs"; -statement = statement.substring(); +statement = statement.substring(0, 18); console.log(statement); diff --git a/1-exercises/J-string-substring/exercise2.js b/1-exercises/J-string-substring/exercise2.js index a1d9bf62..cb541c6a 100644 --- a/1-exercises/J-string-substring/exercise2.js +++ b/1-exercises/J-string-substring/exercise2.js @@ -14,11 +14,11 @@ let names = [ "Arron Graham", ]; -names[0] = names[0].substring(); -names[1] = names[1].substring(); -names[2] = names[2].substring(); -names[3] = names[3].substring(); -names[4] = names[4].substring(); +names[0] = names[0].substring(0, 6); +names[1] = names[1].substring(0, 7); +names[2] = names[2].substring(0, 4); +names[3] = names[3].substring(0, 4); +names[4] = names[4].substring(0, 5); names.forEach((name) => { console.log(name); diff --git a/1-exercises/J-string-substring/exercise3.js b/1-exercises/J-string-substring/exercise3.js index 14f77417..eac8f468 100644 --- a/1-exercises/J-string-substring/exercise3.js +++ b/1-exercises/J-string-substring/exercise3.js @@ -8,7 +8,7 @@ let statement = "I do not like programming"; -let result = ""; +let result = statement.substring(0, 4) + statement.substring(8, statement.length); console.log(result); diff --git a/2-mandatory/1-create-functions.js b/2-mandatory/1-create-functions.js index 6df12961..b2bb68fb 100644 --- a/2-mandatory/1-create-functions.js +++ b/2-mandatory/1-create-functions.js @@ -3,7 +3,8 @@ Write a function that: - Accepts an array as a parameter. - Returns a new array containing the first five elements of the passed array. */ -function first5() { +function first5(array) { + return array.slice(0,5); } /* @@ -11,7 +12,10 @@ Write a function that: - Accepts an array as a parameter. - Returns a new array containing the same elements, except sorted. */ -function sortArray() { +function sortArray(array) { + let res = [...array]; + return res.sort(); + } /* @@ -24,7 +28,13 @@ Write a function that: - Removes any forward slashes (/) in the strings. - Makes the strings all lowercase. */ -function tidyUpString() { +function tidyUpString(array) { + return array.map(string => { + let res = string.trim(); + res = res.replace('/', ''); + res = res.toLowerCase() + return res; + }) } /* @@ -33,7 +43,8 @@ Write a function that: - Returns a new array containing the same elements, but without the element at the passed index. */ -function remove() { +function remove(array, index) { + return array.filter((item, i) => i !== index); } /* @@ -44,7 +55,12 @@ Write a function that: - Numbers greater 100 must be replaced with 100. */ -function formatPercentage() { +function formatPercentage(array) { + return array.map(num => { + let res = num > 100 ? 100 : num; + res = (Math.round(res * 100) / 100) + "%"; + return res; + }) } /* ======= TESTS - DO NOT MODIFY ===== */ diff --git a/2-mandatory/2-oxygen-levels.js b/2-mandatory/2-oxygen-levels.js index 5711c5e5..2cfd9992 100644 --- a/2-mandatory/2-oxygen-levels.js +++ b/2-mandatory/2-oxygen-levels.js @@ -11,7 +11,17 @@ Some string methods that might help you here are .replace() and .substring(). */ -function findSafeOxygenLevel() {} +function findSafeOxygenLevel(planets) { + let checkPlanet = planets.filter(item => item.includes("%")); + return checkPlanet.find(item => { + let itemNum = Number(item.replace('%', '')); + if(itemNum > 19.5 && itemNum < 23.5){ + return item; + } + }); + + +} /* ======= TESTS - DO NOT MODIFY ===== */ diff --git a/2-mandatory/3-bush-berries.js b/2-mandatory/3-bush-berries.js index b434a507..0c1727e8 100644 --- a/2-mandatory/3-bush-berries.js +++ b/2-mandatory/3-bush-berries.js @@ -22,7 +22,13 @@ */ function isBushSafe(berryArray) { - //Write your code here + const hasToxicBerries = berryArray.some((berry) => berry !== 'pink'); + + if (hasToxicBerries) { + return 'Toxic! Leave bush alone!'; + } else { + return 'Bush is safe to eat from'; + } } /* ======= TESTS - DO NOT MODIFY ===== */ diff --git a/2-mandatory/4-space-colonies.js b/2-mandatory/4-space-colonies.js index 30095213..97854db2 100644 --- a/2-mandatory/4-space-colonies.js +++ b/2-mandatory/4-space-colonies.js @@ -15,7 +15,15 @@ */ -function getSettlers() {} +function getSettlers(families) { + return families.filter(family => { + if (typeof family === 'string') { + const trimmedFamily = family.trim(); + //return trimmedFamily.startsWith('A') && trimmedFamily.endsWith('family');}) + return trimmedFamily[0] === 'A' && trimmedFamily.slice(-6) === 'family' + } + }); +} /* ======= TESTS - DO NOT MODIFY ===== */ diff --git a/2-mandatory/5-eligible-students.js b/2-mandatory/5-eligible-students.js index f92478e0..bcb8abe0 100644 --- a/2-mandatory/5-eligible-students.js +++ b/2-mandatory/5-eligible-students.js @@ -7,7 +7,9 @@ - Returns an array containing only the names of the who have attended AT LEAST 8 classes */ -function getEligibleStudents() {} +function getEligibleStudents(students) { + return students.filter(student => student[1] >= 8).map(student=> student[0]); +} /* ======= TESTS - DO NOT MODIFY ===== */ diff --git a/2-mandatory/6-journey-planner.js b/2-mandatory/6-journey-planner.js index 25a14083..852d6985 100644 --- a/2-mandatory/6-journey-planner.js +++ b/2-mandatory/6-journey-planner.js @@ -20,8 +20,8 @@ function checkCodeIsThere(stringText) { let magicWord = "code"; //edit code below - if (stringText) { - return stringText; + if (stringText.includes(magicWord)) { + return stringText.indexOf(magicWord); } else { return "Not found"; } @@ -64,7 +64,9 @@ function checkCodeIsThere(stringText) { Hint: Use the corresponding array method to split the array. */ -function getTransportModes() {} +function getTransportModes(location) { + return location.slice(1); +} /* Implement the function isAccessibleByTransportMode that @@ -81,7 +83,9 @@ function getTransportModes() {} Hint: Use the corresponding array method to decide if an element is included in an array. */ -function isAccessibleByTransportMode() {} +function isAccessibleByTransportMode(transportsArray, transportMode) { + return transportsArray.includes(transportMode); +} /* Implement the function getLocationName that @@ -92,7 +96,9 @@ function isAccessibleByTransportMode() {} - Returns the name of the location e.g: "Tower Bridge" */ -function getLocationName() {} +function getLocationName(locations) { + return locations[0]; +} /* We arrived at the final method. it won't take long if you use the previously implemented functions wisely. @@ -122,7 +128,7 @@ function getLocationName() {} Advanced challange: try to use arrow function when invoking an array method. */ function journeyPlanner(locations, transportMode) { - // Implement the function body + return locations.filter(location => location.includes(transportMode)).map(location => getLocationName(location)) } /* ======= TESTS - DO NOT MODIFY ===== */ diff --git a/2-mandatory/7-lane-names.js b/2-mandatory/7-lane-names.js index 40c31b68..199d8eff 100644 --- a/2-mandatory/7-lane-names.js +++ b/2-mandatory/7-lane-names.js @@ -6,7 +6,9 @@ HINT: string and array methods that could be helpful (indexOf, filter) */ -function getLanes() {} +function getLanes(streets) { + return streets.filter(street => street.includes('Lane')); +} /* ======= TESTS - DO NOT MODIFY ===== */ diff --git a/2-mandatory/8-password-validator.js b/2-mandatory/8-password-validator.js index dc3e84d6..3608e602 100644 --- a/2-mandatory/8-password-validator.js +++ b/2-mandatory/8-password-validator.js @@ -23,7 +23,18 @@ PasswordValidationResult= [false, false, false, false, true] */ -function validatePasswords(passwords) {} +function validatePasswords(passwords) { + return passwords.map((password, index) => { + const uniqueValid = !passwords.slice(0, index).includes(password); + return ( + password.length >=5 && + containsUppercaseLetter(password) && + containsLowercaseLetter(password) && + containsNumber(password) && + containsSymbol(password)) && + uniqueValid; + }) +} // Returns true if string contains at least one uppercase letter. function containsUppercaseLetter(string) {