From e03e6e62df78340a744742e36b54bd673ca4c71f Mon Sep 17 00:00:00 2001 From: EABarton123 <83503987+EABarton123@users.noreply.github.com> Date: Mon, 29 Aug 2022 18:21:13 +0100 Subject: [PATCH 1/2] mandatory exercises completed --- exercises/C-variables/exercise.js | 4 +++- exercises/D-strings/exercise.js | 4 +++- exercises/E-strings-concatenation/exercise.js | 4 +++- exercises/F-strings-methods/exercise.js | 4 +++- exercises/F-strings-methods/exercise2.js | 4 +++- exercises/G-numbers/exercise.js | 9 +++++++++ exercises/I-floats/exercise.js | 6 ++++++ exercises/J-functions/exercise.js | 2 ++ exercises/J-functions/exercise2.js | 1 + exercises/K-functions-parameters/exercise.js | 3 ++- exercises/K-functions-parameters/exercise2.js | 3 +++ exercises/K-functions-parameters/exercise3.js | 5 ++++- exercises/K-functions-parameters/exercise4.js | 6 ++++-- exercises/K-functions-parameters/exercise5.js | 5 ++++- exercises/L-functions-nested/exercise.js | 18 ++++++++++++++++++ mandatory/1-syntax-errors.js | 11 ++++++----- mandatory/2-logic-error.js | 8 ++++---- mandatory/3-function-output.js | 3 +++ mandatory/4-tax.js | 11 ++++++++--- 19 files changed, 89 insertions(+), 22 deletions(-) diff --git a/exercises/C-variables/exercise.js b/exercises/C-variables/exercise.js index a6bbb9786..fd47b4fad 100644 --- a/exercises/C-variables/exercise.js +++ b/exercises/C-variables/exercise.js @@ -1,3 +1,5 @@ // Start by creating a variable `greeting` - +const greeting = "Hello World"; +console.log(greeting); +console.log(greeting); console.log(greeting); diff --git a/exercises/D-strings/exercise.js b/exercises/D-strings/exercise.js index 2cffa6a81..9cffab7a9 100644 --- a/exercises/D-strings/exercise.js +++ b/exercises/D-strings/exercise.js @@ -1,3 +1,5 @@ // Start by creating a variable `message` - +const message = "Hello world." +const messageType = typeof message; console.log(message); +console.log(messageType); diff --git a/exercises/E-strings-concatenation/exercise.js b/exercises/E-strings-concatenation/exercise.js index 2cffa6a81..51cdc6049 100644 --- a/exercises/E-strings-concatenation/exercise.js +++ b/exercises/E-strings-concatenation/exercise.js @@ -1,3 +1,5 @@ // Start by creating a variable `message` - +const string = "My name is " +const name = "Emily!"; +const message = string + name; console.log(message); diff --git a/exercises/F-strings-methods/exercise.js b/exercises/F-strings-methods/exercise.js index 2cffa6a81..f196ea2cc 100644 --- a/exercises/F-strings-methods/exercise.js +++ b/exercises/F-strings-methods/exercise.js @@ -1,3 +1,5 @@ // Start by creating a variable `message` - +const name = "Emily"; +const nameCount = name.length; +const message = name + " has " + nameCount + " characters."; console.log(message); diff --git a/exercises/F-strings-methods/exercise2.js b/exercises/F-strings-methods/exercise2.js index b4b46943d..8fd7e24b7 100644 --- a/exercises/F-strings-methods/exercise2.js +++ b/exercises/F-strings-methods/exercise2.js @@ -1,3 +1,5 @@ const name = " Daniel "; - +const nameTrim = name.trim(); +const nameCount = name.length; +const message = "My name is " + nameTrim + " and my name is " + nameCount + " characters long"; console.log(message); diff --git a/exercises/G-numbers/exercise.js b/exercises/G-numbers/exercise.js index 49e7bc00b..272d02008 100644 --- a/exercises/G-numbers/exercise.js +++ b/exercises/G-numbers/exercise.js @@ -1 +1,10 @@ // Start by creating a variables `numberOfStudents` and `numberOfMentors` +const numberOfStudents = 30; +const numberOfMentors = 5; +const total = numberOfStudents + numberOfMentors; +const messageStudents = "Number of Students: " + numberOfStudents; +const messageMentors = "Number of Mentors: " + numberOfMentors; +const messageTotal = "Total number of students and mentors: " + total; +console.log(messageStudents); +console.log(messageMentors); +console.log(messageTotal); \ No newline at end of file diff --git a/exercises/I-floats/exercise.js b/exercises/I-floats/exercise.js index a5bbcd852..e21c90e83 100644 --- a/exercises/I-floats/exercise.js +++ b/exercises/I-floats/exercise.js @@ -1,2 +1,8 @@ var numberOfStudents = 15; var numberOfMentors = 8; +var percentageStudents = (numberOfStudents / (numberOfStudents + numberOfMentors)) *100; +var roundedPercentStudents = Math.round(percentageStudents); +var percentageMentors = (numberOfMentors / (numberOfStudents + numberOfMentors)) * 100; +var roundedPercentMentors = Math.round(percentageMentors); +console.log("Percentage students: " + roundedPercentStudents + "%"); +console.log("Percentage mentors: " + roundedPercentMentors + "%"); \ No newline at end of file diff --git a/exercises/J-functions/exercise.js b/exercises/J-functions/exercise.js index 0ae5850e5..dadab7d60 100644 --- a/exercises/J-functions/exercise.js +++ b/exercises/J-functions/exercise.js @@ -1,7 +1,9 @@ function halve(number) { // complete the function here + return number / 2; } var result = halve(12); console.log(result); + diff --git a/exercises/J-functions/exercise2.js b/exercises/J-functions/exercise2.js index 82ef5e780..468d45596 100644 --- a/exercises/J-functions/exercise2.js +++ b/exercises/J-functions/exercise2.js @@ -1,5 +1,6 @@ function triple(number) { // complete function here + return number * 3; } var result = triple(12); diff --git a/exercises/K-functions-parameters/exercise.js b/exercises/K-functions-parameters/exercise.js index 8d5db5e69..1978048ea 100644 --- a/exercises/K-functions-parameters/exercise.js +++ b/exercises/K-functions-parameters/exercise.js @@ -1,6 +1,7 @@ // Complete the function so that it takes input parameters -function multiply() { +function multiply(num1, num2) { // Calculate the result of the function and return it +return num1 * num2; } // Assign the result of calling the function the variable `result` diff --git a/exercises/K-functions-parameters/exercise2.js b/exercises/K-functions-parameters/exercise2.js index db7a8904b..4805ef7dc 100644 --- a/exercises/K-functions-parameters/exercise2.js +++ b/exercises/K-functions-parameters/exercise2.js @@ -1,4 +1,7 @@ // Declare your function first +function divide(num1, num2) { + return num1 / num2; +} var result = divide(3, 4); diff --git a/exercises/K-functions-parameters/exercise3.js b/exercises/K-functions-parameters/exercise3.js index 537e9f4ec..a5fe9a932 100644 --- a/exercises/K-functions-parameters/exercise3.js +++ b/exercises/K-functions-parameters/exercise3.js @@ -1,5 +1,8 @@ // Write your function here - +function createGreeting(name) { + wholeGreeting = "My name is " + name; + return wholeGreeting; +} var greeting = createGreeting("Daniel"); console.log(greeting); diff --git a/exercises/K-functions-parameters/exercise4.js b/exercises/K-functions-parameters/exercise4.js index 7ab44589e..189b627bf 100644 --- a/exercises/K-functions-parameters/exercise4.js +++ b/exercises/K-functions-parameters/exercise4.js @@ -1,5 +1,7 @@ // Declare your function first - +function add(num1, num2) { + return num1 + num2; +} // Call the function and assign to a variable `sum` - +let sum = add(13, 124); console.log(sum); diff --git a/exercises/K-functions-parameters/exercise5.js b/exercises/K-functions-parameters/exercise5.js index 7c5bcd605..cbd6fd906 100644 --- a/exercises/K-functions-parameters/exercise5.js +++ b/exercises/K-functions-parameters/exercise5.js @@ -1,5 +1,8 @@ // Declare your function here - +function createLongGreeting(name, age){ + const sentence = "Hello, my name is " + name + " and I'm " + age + " years old"; + return sentence; +} const greeting = createLongGreeting("Daniel", 30); console.log(greeting); diff --git a/exercises/L-functions-nested/exercise.js b/exercises/L-functions-nested/exercise.js index a5d377442..2eac4c29e 100644 --- a/exercises/L-functions-nested/exercise.js +++ b/exercises/L-functions-nested/exercise.js @@ -3,3 +3,21 @@ var mentor2 = "Irina"; var mentor3 = "Mimi"; var mentor4 = "Rob"; var mentor5 = "Yohannes"; + +function shoutyGreeting(name) { + let nameCaps = name.toUpperCase(); + let greeting = "HELLO " + nameCaps; + return greeting; +} + +var greetingOne = shoutyGreeting(mentor1); +var greetingTwo = shoutyGreeting(mentor2); +var greetingThree = shoutyGreeting(mentor3); +var greetingFour = shoutyGreeting(mentor4); +var greetingFive = shoutyGreeting(mentor5); + +console.log(greetingOne); +console.log(greetingTwo); +console.log(greetingThree); +console.log(greetingFour); +console.log(greetingFive); \ No newline at end of file diff --git a/mandatory/1-syntax-errors.js b/mandatory/1-syntax-errors.js index a10cc9ac2..98360ac6b 100644 --- a/mandatory/1-syntax-errors.js +++ b/mandatory/1-syntax-errors.js @@ -1,16 +1,17 @@ // There are syntax errors in this code - can you fix it to pass the tests? -function addNumbers(a b c) { +function addNumbers(a, b, c) { return a + b + c; } -function introduceMe(name, age) - return "Hello, my name is " + name "and I am " age + "years old"; +function introduceMe(name, age) { + return "Hello, my name is " + name + " and I am " + age + " years old"; +} function getTotal(a, b) { - total = a ++ b; + total = a + b; - return "The total is total"; + return "The total is " + total; } /* diff --git a/mandatory/2-logic-error.js b/mandatory/2-logic-error.js index 9cca7603b..fb3129a50 100644 --- a/mandatory/2-logic-error.js +++ b/mandatory/2-logic-error.js @@ -1,16 +1,16 @@ // The syntax for this function is valid but it has an error, find it and fix it. function trimWord(word) { - return wordtrim(); + return word.trim(); } function getStringLength(word) { - return "word".length(); + return word.length; } function multiply(a, b, c) { - a * b * c; - return; + sum = a * b * c; + return sum; } /* diff --git a/mandatory/3-function-output.js b/mandatory/3-function-output.js index 5a953ba60..0c8a46d63 100644 --- a/mandatory/3-function-output.js +++ b/mandatory/3-function-output.js @@ -2,15 +2,18 @@ function getRandomNumber() { return Math.random() * 10; } +//This function gets a random number and multiplies it by 10. // Add comments to explain what this function does. You're meant to use Google! function combine2Words(word1, word2) { return word1.concat(word2); } +//This function joins 2 or more strings together without changing them. function concatenate(firstWord, secondWord, thirdWord) { // Write the body of this function to concatenate three words together. // Look at the test case below to understand what this function is expected to return. + return firstWord.concat(" ", secondWord, " ", thirdWord); } /* diff --git a/mandatory/4-tax.js b/mandatory/4-tax.js index ba77c7ae2..cfbb7c6d5 100644 --- a/mandatory/4-tax.js +++ b/mandatory/4-tax.js @@ -5,7 +5,10 @@ Sales tax is 20% of the price of the product. */ -function calculateSalesTax() {} +function calculateSalesTax(price) { + let tax = (price / 100) * 20; + return tax + price; +} /* CURRENCY FORMATTING @@ -17,8 +20,10 @@ function calculateSalesTax() {} Remember that the prices must include the sales tax (hint: you already wrote a function for this!) */ -function addTaxAndFormatCurrency() {} - +function addTaxAndFormatCurrency(price) { + let actualPrice = calculateSalesTax(price); + return "£" + actualPrice.toFixed(2); +} /* =================================================== ======= TESTS - DO NOT MODIFY BELOW THIS LINE ===== From b477c91cff234e45437ef10966297c1362519b04 Mon Sep 17 00:00:00 2001 From: EABarton123 <83503987+EABarton123@users.noreply.github.com> Date: Sat, 17 Sep 2022 21:14:40 +0100 Subject: [PATCH 2/2] error on coursework when checked with solutions I forgot to declare my variable --- mandatory/1-syntax-errors.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mandatory/1-syntax-errors.js b/mandatory/1-syntax-errors.js index 98360ac6b..f72632d88 100644 --- a/mandatory/1-syntax-errors.js +++ b/mandatory/1-syntax-errors.js @@ -9,7 +9,7 @@ function introduceMe(name, age) { } function getTotal(a, b) { - total = a + b; + let total = a + b; return "The total is " + total; }