week2

aliulgr13 · aliulgr13 · commit 8a753744a636 · 2019-12-05T19:27:08.000+03:00
diff --git a/Week2/homework/js-exercises/evenOddReporter.js b/Week2/homework/js-exercises/evenOddReporter.js
@@ -0,0 +1,13 @@
+'use strict'
+// Create a for loop, that iterates from 0 to 20.
+// Create a conditional statement that checks if the value of the counter variable is odd or even.
+// If it's odd, log to the console The number [PUT_NUMBER_HERE] is odd!.
+// If it's even, log to the console The number [PUT_NUMBER_HERE] is even!.
+
+for(let i=0; i<20; i++) {
+    if (i%2===0) {
+        console.log("The number "+i+ " is even!.");
+      } else {
+        console.log("The number "+i+ " is odd!.");
+    }
+}
diff --git a/Week2/homework/js-exercises/gradeCalculator.js b/Week2/homework/js-exercises/gradeCalculator.js
@@ -0,0 +1,44 @@
+'use strict'
+// convert the score into a percentage
+// calculate what grade corresponds with that percentage, and
+// shows in the command line the result: the grade and the percentage
+// When writing the script, make use of the following grade scores:
+// Grade A (90% - 100%)
+// Grade B (80% - 89%)
+// Grade C (70% - 79%)
+// Grade D (60% - 69%)
+// Grade E (50% - 59%)
+// Grade F (0% - 49%)
+
+
+function gradeCalculator(score) {
+    //To be able to show the result of decimal number I used here Math.round.
+    score = Math.round(score);
+    let grade;
+    //I use switch by evaluating true statement.
+    switch(true) {
+      case (score <= 100 && score >= 90):
+         grade = 'A';
+         break;
+      case (score <= 89 && score >= 80):
+         grade = 'B';
+         break;
+      case (score <= 79 && score >= 70):
+         grade = 'C';
+         break;
+      case (score <= 69 && score >= 60):
+         grade = 'D';
+         break;
+      case (score <= 59 && score >= 50):
+         grade = 'E';
+         break;
+      case (score <= 49 && score >= 0):
+         grade = 'F';
+         break; 
+      default:
+         console.log("You got a INVALID SCORE");
+    }
+    return ("You got a " +grade+ " (" +score+ "%)!");
+};
+console.log(gradeCalculator(1));
+ 
diff --git a/Week2/homework/js-exercises/readingList.js b/Week2/homework/js-exercises/readingList.js
@@ -0,0 +1,19 @@
+'use strict'
+// Declare a variable that holds an array of 3 objects, where each object describes a book and has properties for the title (string), author (string), and alreadyRead (boolean indicating if you read it yet).
+// Loop through the array of books.
+// For each book, log the book title and book author like so: "The Hobbit by J.R.R. Tolkien".
+// Create a conditional statement to change the log depending on whether you read it yet or not. If you read it, log a string like You already read "The Hobbit" right after the log of the book details
+// If you haven't read it log a string like You still need to read "The Lord of the Rings"
+
+let books = [{title:"1984", author:"George Orwell", alreadyRead:false},
+            {title:"Improbable", author:"Adam Fawer", alreadyRead:true},
+            {title:"The Da Vinci Code", author:"Dan Brown", alreadyRead:true}];
+
+for (var i = 0; i < books.length; i++) {
+    console.log(books[i].title +" by "+ books[i].author );
+    if(books[i].alreadyRead===true){
+        console.log("You already read "+ books[i].title);
+    }else {
+        console.log("You still need to read "+ books[i].title);
+    }
+}
diff --git a/Week2/homework/js-exercises/recipeCard.js b/Week2/homework/js-exercises/recipeCard.js
@@ -0,0 +1,26 @@
+'use strict'
+// Declare a variable that holds an object (your meal recipe).
+// Give the object 3 properties: a title (string), a servings (number) and an ingredients (array of strings) property.
+// Log each property out seperately, using a loop (for, while or do/while)
+
+const myBreakfastRecipe = { 
+    mealName: "Atom",
+    serves: 2,
+    ingredients: ["100g outmeal", "One babana", "100g milk"]
+};
+
+//to write ingredients in the same line
+// for (const property in myBreakfastRecipe) {
+//     console.log(`${property}: ${myBreakfastRecipe[property]}`);
+// }
+
+for (const property in myBreakfastRecipe) {
+    if(typeof myBreakfastRecipe[property]==="object"){
+        console.log(property+":");
+        for (let ing of myBreakfastRecipe[property]){
+            console.log(ing+",")
+        }
+        } else {
+        console.log(property+": "+myBreakfastRecipe[property] )
+        }
+}
diff --git a/Week2/homework/js-exercises/removeComma.js b/Week2/homework/js-exercises/removeComma.js
@@ -0,0 +1,11 @@
+'use strict'
+// let myString = 'hello,this,is,a,difficult,to,read,sentence';
+// Add the variable to your file.
+// Log the length of myString.
+// The commas make that the sentence is quite hard to read. Find a way to remove the commas from the string and replace them with spaces. (use Google!)
+// After replacing the commas, log myString to see if you succeeded.
+
+let myString = 'hello,this,is,a,difficult,to,read,sentence';
+console.log(myString.length);
+myString = myString.replace(/,/g," ");
+console.log(myString);
diff --git a/Week2/homework/js-exercises/wantsDrink.js b/Week2/homework/js-exercises/wantsDrink.js
@@ -0,0 +1,14 @@
+'use strict'
+// Declare a variable that holds an empty array, called drinkTray.
+// There are 3 different types of drinks:
+// Create a loop that runs 5 times. On each iteration, push a drink into the drinkTray variable. The drinkTray can only hold at most two instances of the same drink type, for example it can only hold 2 colas, 2 lemonades, 2 waters.
+// If there are already two instances of a drinkType then start with the next drink in the array.
+// Your drinkTray should contain 2 cola, 2 lemonade and 1 water.
+// Log to the console: "Hey guys, I brought a [INSERT VALUES FROM ARRAY]!" (For example: "Hey guys, I brought a cola, cola, lemonade, lemonade, water!")
+
+let drinkTray= [];
+const drinkTypes = ['cola', 'lemonade', 'water'];
+for (let i = 0; i < 5; i++) {
+ drinkTray.push(drinkTypes[i%3])
+}
+console.log("Hey guys, I brought a "+ drinkTray.join(', ')+"!");
