Homework completed JS1,W3-Rodias

ERodias · ERodias · commit 7f9ae3606a5c · 2020-02-10T12:13:53.000+02:00
diff --git a/Week3/homework/Project/creditCardValidator.js b/Week3/homework/Project/creditCardValidator.js
@@ -0,0 +1,38 @@
+
+let cardNum='0211111111111112';
+
+checkCardParameters(cardNum);
+
+function checkCardParameters(item){
+    // let strItem=item.toString();
+    for (let i=0; i<item.toString().length;i++){
+        var numb=item[i];
+        numb=Number.parseInt(numb); //changes the strings to numbers
+    }
+    var numArray=item.toString().split('') ;
+
+    if (item.toString().length===16){ //by this condition we check that the number is only 16 digit long
+        let count = 0;
+        let sumD=0;
+        for (var i=0; i<item.toString().length;i++){
+        // all the digits cannot be the same
+            if (numArray[0]===numArray[i]){
+                count++;
+            }            
+            if (count===16){
+                console.log("Revise! All of the digits cannot be the same")
+            }
+            sumD+= Number(numArray[i]);            
+        }
+        if (sumD<=16){
+            console.log("The sum of all the digits must be greater than 16")
+        }        
+        //The final digit must be even
+        if (numArray[15] % 2 == true){
+            console.log("The last digit should be even number")
+        };
+    }   else  {
+        console.log("You should insert a 16-digit number")
+    }
+}
+
diff --git a/Week3/homework/js-exercises/main.js b/Week3/homework/js-exercises/main.js
@@ -0,0 +1,68 @@
+// ----------------Exercise 1: You are amazing, Noer!----------
+function giveCompliment(name){
+    let compArray=['great', 'awesome', 'outstanding',
+    'considerable','magnificent','prominent','enthusiastic',
+    'absolute','powerful','enjoyable'];
+    var randComp= compArray[Math.floor(Math.random() * compArray.length)];
+    return console.log(`You are ${randComp}, ${name}`)
+}
+giveCompliment("Efthymis");
+giveCompliment("Efthymis");
+giveCompliment("Efthymis");
+
+// ----------------Exercise 2: Dog years------------------
+
+function calculateDogAge(age){
+    dogAge=Math.round(age/7);
+    // fixedDogAge=dogAge.toFixed(1);
+    return console.log(`Your doggie is ${dogAge} years old in dog years`)
+}
+
+calculateDogAge(9);
+calculateDogAge(29);
+calculateDogAge(47);
+
+// ----------------Exercise 3: Be your own fortune teller------------------
+function tellFortune(childrenQuantity, partner,place,jobTitle){
+
+    var randChildren=numChildren[Math.floor(Math.random() * numChildren.length)];
+    var randPartNames=partnerNames[Math.floor(Math.random() * partnerNames.length)];
+    var randLocations=locations[Math.floor(Math.random() * locations.length)];
+    var randJobs=jobs[Math.floor(Math.random() * jobs.length)];
+
+    return console.log(`You will be a ${randJobs} in ${randLocations}, and married to ${randPartNames} with ${randChildren} kids.`)
+}
+let numChildren=[2, 4, 3, 1, 5];
+let partnerNames=["John", "George", "Mike", "Remi", "Eddie"];
+let locations =["Athens", "Volos", "Chania","Patra", "Corfu"];
+let jobs=["technician", "software engineer", "plumber", "doctor", "waiter"];
+
+tellFortune(numChildren,partnerNames,locations,jobs);
+
+// ----------------Exercise 4: Shopping at the supermarket------------------
+
+function addToShoppingCart(item){
+    // let cartArray=[];
+    cartArray.push(item);
+    if (cartArray.length>3){
+        cartArray.shift();
+    }
+    console.log(`You bought ${cartArray}!`)
+}
+let cartArray=["bananas","milk"];
+addToShoppingCart("yoghurt");
+addToShoppingCart("rice");
+addToShoppingCart("ham");
+
+// ----------------Exercise 5: Total cost is... ------------------
+
+function calculateTotalPrice(objectsCart){
+    let sum=0;
+    for (const value in objectsCart){
+        sum += objectsCart[value];    
+    }
+    console.log(`Total cost is ${sum.toFixed(2)}.`);
+}
+
+cartForParty={beers:1.75, chips:0.99, wine:5, nachos:1.5, vodka:12}
+calculateTotalPrice(cartForParty);
