Javascript/Nosayba

.vscode/launch.json

@@ -0,0 +1,17 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Launch Program",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "program": "${workspaceFolder}/week-1/2-mandatory/1-syntax-errors.js"
+        }
+    ]
+}

week-1/2-mandatory/1-syntax-errors.js

@@ -1,19 +1,24 @@
 // 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;
 
+
+function getTotal(a, b) {
+    total = a + b;
     // Use string interpolation here
-    return "The total is %{total}"
+    return `The total is ${total}` 
 }
 
+
 /* ======= TESTS - DO NOT MODIFY =====
 There are some Tests in this file that will help you work out if your code is working.
 
@@ -22,6 +27,11 @@ To run these tests type `node 1-syntax-errors.js` into your terminal
 
 const util = require('util');
 
+
+/* ======= TESTS - DO NOT MODIFY ===== */
+
+// To run these tests type `node 1-syntax-errors.js` into your terminal
+
 function test(test_name, actual, expected) {
     let status;
     if (actual === expected) {

week-1/2-mandatory/2-logic-error.js

@@ -1,23 +1,35 @@
 // The syntax for this function is valid but it has an error, find it and fix it.
 
-function trimWord(word) {
-  return wordtrim();
+function trimWord(Word) {
+
+  return Word.trim();
 }
 
+console.log(trimWord(" CodeYourFuture "));
+
+
 function getWordLength(word) {
-  return "word".length()
+
+  let wordLength = "A wild sentence appeared!";
+  return wordLength.length;
 }
+
+
+console.log(getWordLength());
+
 
 function multiply(a, b, c) {
-  a * b * c;
-  return;
+
+  return a * b * c;
+
 }
+console.log(multiply(2,3,6));
+
 
-/* ======= TESTS - DO NOT MODIFY =====
+/* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.
 
-To run these tests type `node 2-logic-error` into your terminal
-*/
+To run these tests type `node 2-logic-error` into your terminal*/
 
 const util = require('util');
 

week-1/2-mandatory/3-function-output.js

@@ -1,20 +1,30 @@
-// Add comments to explain what this function does. You're meant to use Google!
+// This function round the decimal number to the nearset whole number 
 function getNumber() {
   return Math.random() * 10;
 }
 
-// Add comments to explain what this function does. You're meant to use Google!
+// The concat() method is used to join two or more strings.
 function s(w1, w2) {
   return w1.concat(w2);
 }
 
-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.
+function concatenate(firstword, secondWord, thirdWord) {
+
+   const join = firstword.concat(" "+secondWord +" " + thirdWord);
+
+
+   return join;
 }
 
-/* ======= TESTS - DO NOT MODIFY =====
-There are some Tests in this file that will help you work out if your code is working.
+console.log(concatenate("code", "your", "future"));
+
+
+
+
+
+/* ======= TESTS - DO NOT MODIFY ===== */
+
+/*There are some Tests in this file that will help you work out if your code is working.
 To run these tests type `node 3-function-output` into your terminal
 */
 

week-1/2-mandatory/4-tax.js

@@ -5,7 +5,14 @@
   Sales tax is 20% of the price of the product
 */
 
-function calculateSalesTax() {}
+function calculateSalesTax(productPrice) {
+   saleTax= 20/100;
+  return productPrice*saleTax+productPrice ; 
+
+}
+
+
+console.log(calculateSalesTax(15));
 
 /*
   CURRENCY FORMATTING
@@ -14,12 +21,27 @@ function calculateSalesTax() {}
   They must also start with the currency symbol
   Write a function that adds tax to a number, and then transforms the total into the format £0.00
 
-  Remember that the prices must include the sales tax (hint: you already wrote a function for this!)
+  Remember that the prices must include the sales tax (hint: you already
+     wrote a function for this!)
 */
 
-function addTaxAndFormatCurrency() {}
 
-/* ======= TESTS - DO NOT MODIFY =====
+function addTaxAndFormatCurrency(productPrice) {
+
+    saleTax= 20/100;
+    currency=  "£" ;
+
+
+    salePrice= productPrice* saleTax+ productPrice;
+    return currency + salePrice.toFixed(2) ;
+
+  }
+
+
+
+
+
+/* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.
 To run these tests type `node 4-tax.js` into your terminal
 */

week-1/3-extra/1-currency-conversion.js

@@ -5,7 +5,12 @@
   Write a function that converts a price to USD (exchange rate is 1.4 $ to £)
 */
 
-function convertToUSD() {}
+function convertToUSD(pounds) {
+
+let exchange = pounds * 1.4 ;
+return exchange;
+
+}
 
 /*
   CURRENCY FORMATTING
@@ -15,7 +20,13 @@ function convertToUSD() {}
   They have also decided that they should add a 1% fee to all foreign transactions, which means you only convert 99% of the £ to BRL.
 */
 
-function convertToBRL() {}
+function convertToBRL(pound) {
+
+  let currency = (pound* 5.7) * 1.01;
+
+  return currency ;
+
+}
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.

week-1/3-extra/2-piping.js

@@ -16,26 +16,34 @@
   the final result to the variable goodCode
 */
 
-function add() {
+function add(a,b) {
+  return a + b ;
 
 }
 
-function multiply() {
+
+function multiply(a,b) {
+  return a*b ;
 
 }
 
-function format() {
+function format(a) {
+
+  return `£${a}`
 
 }
 
 const startingValue = 2
 
 // Why can this code be seen as bad practice? Comment your answer.
-let badCode = 
+let badCode = format(multiply(add(startingValue, 10 ), 2));
 
 /* BETTER PRACTICE */
+let adds= add(startingValue,10);
+let multiplies = multiply(adds , 2);
+
 
-let goodCode = 
+let goodCode = format(multiplies);
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.

week-2/2-mandatory/1-fix-functions.js

@@ -2,7 +2,7 @@
 // Look at the tests and see how you can fix them.
 
 function mood() {
-  let isHappy = true;
+  let isHappy = false;
 
   if (isHappy) {
     return "I am happy";
@@ -11,8 +11,15 @@ function mood() {
   }
 }
 
+
 function greaterThan10(num) {
   let isBigEnough;
+}
+console.log(mood());
+
+function greaterThan10() {
+  let num = 10;
+  let isBigEnough= num;
 
   if (isBigEnough) {
     return "num is greater than 10";
@@ -21,24 +28,43 @@ function greaterThan10(num) {
   }
 }
 
+
 function sortArray(letters) {
-  let sortedLetters = letters;
+  let sortedLetters = letters;}
+
+console.log(greaterThan10());
+
+
+function sortArray() {
+  let letters = ["a", "n", "c", "e", "z", "f"];
+  let sortedLetters= ["a", "c", "e", "f", "n", "z"];
 
   return sortedLetters;
 }
 
+
 function first5(numbers) {
   let sliced;
+}
+
+console.log(sortArray());
+
+
+function first5() {
+  let numbers = [1, 2, 3, 4, 5, 6, 7, 8];
+  let sliced= [1, 2, 3, 4, 5];
 
   return sliced;
 }
+console.log(first5());
 
-function get3rdIndex(arr) {
-  let index = 3;
-  let element;
 
-  return element;
+function get3rdIndex(array) {
+
+  return array[3];
 }
+console.log(get3rdIndex(["fruit", "banana", "apple", "strawberry", "raspberry"]));
+console.log(get3rdIndex([11, 37, 62, 18, 19, 3, 30]));
 
 /* ======= TESTS - DO NOT MODIFY ===== */