js1-week3-Hani

HaniBadran · Nov 30, 2019 · Dec 7, 2019 · Dec 14, 2019 · Dec 14, 2019 · 681e0b6038660b5e8e99601d74d1f67c958ae4b3
commit 681e0b6038660b5e8e99601d74d1f67c958ae4b3
diff --git a/Week3/1-exercise.js b/Week3/1-exercise.js
@@ -0,0 +1,12 @@
+'use strict';
+
+
+function giveCompliment(name) {
+    let compliments = ['Great!', 'Awesome!', 'fabulous!', 'elegant', 'magnificent! ', 'super!', 'superior', 'Doing well!', 'Excelent!', 'Nice!' ];
+    return `You are ${compliments[Math.floor(Math.random() * 10)]} ${name}!` 
+}
+
+console.log(giveCompliment('Hani'));
+console.log(giveCompliment('Hani'));
+console.log(giveCompliment('Hani'));
+console.log(giveCompliment('Hani')); 
diff --git a/Week3/2-exercise.js b/Week3/2-exercise.js
@@ -0,0 +1,9 @@
+'use strict';
+
+
+let calculateDogAge = age => age * 7;
+
+console.log(calculateDogAge(12));
+console.log(calculateDogAge(1));
+console.log(calculateDogAge(0.5));
+console.log(calculateDogAge(7));
diff --git a/Week3/3-exercise.js b/Week3/3-exercise.js
@@ -0,0 +1,13 @@
+'use strict';
+
+
+let jobs = ['Teacher', 'Web developer', 'Salesman', 'Baker', 'Cashier']
+let locations = ['Amsterdam', 'London', 'Baghdad', 'Delhi', 'Beirut']
+let partnerNames = ['Margaret', 'Jane', 'Anna', 'Sabha', 'Moza']
+let numChildren = [0 , 10, 1, 2 , 3]
+
+function tellFortune(job, locations, partnerNames, numChildren) { 
+    return `You will be a ${job[Math.floor(Math.random() * 5)]} in ${locations[Math.floor(Math.random() * 5)]}, and married to ${partnerNames[Math.floor(Math.random() * 5)]} with ${numChildren[Math.floor(Math.random() * 5)]} kids.`
+}
+
+console.log(tellFortune(jobs, locations, partnerNames, numChildren))
diff --git a/Week3/4-exercise.js b/Week3/4-exercise.js
@@ -0,0 +1,21 @@
+'use strict';
+
+
+let shoppings = ['milk', 'banana' ]
+
+function addToShoppingCart(item) {
+    if (shoppings.length <= 2){
+        shoppings.push(item)
+        return console.log(`You bought ${shoppings}!`);
+    } else if (shoppings.length <= 3){
+        shoppings.shift();
+        shoppings.push(item)
+        return console.log(`You bought ${shoppings}!`)
+    } 
+
+}
+
+addToShoppingCart('cheese');
+addToShoppingCart('Chocolate');
+addToShoppingCart('Apples');
+addToShoppingCart('yoghurt');
diff --git a/Week3/PROJECT.js b/Week3/PROJECT.js
@@ -0,0 +1,80 @@
+'use strict';
+
+
+let num = 4444444444444444 ; // not valid
+let num1 = 1000111111111110 ; //not valid
+let num2 = 9999999999999991 ; //not valid
+let num3 = 8899777755550000 ;  //vaild
+let num4 = 5554446669991666 ; //valid
+
+
+checkCard(num);
+checkCard(num1);
+checkCard(num2);
+checkCard(num3);
+checkCard(num4)
+
+function checkCard(creditNum){
+    // it must be 16 numbers
+    let length ;
+
+    //  change the number to a string so it has length property
+    let creditNumString = creditNum.toString(); 
+
+    //change the number to an array that so it has one string of the number
+    let creditNumArr = creditNumString.split(',');
+
+    // check if the number has 16 digits
+    if (creditNumString.length< 16 || creditNumString.length > 16) {
+        length = false; 
+
+     } else { 
+        length = true;
+     }
+
+// The final digit must be even
+     let finalIsEven;
+     if (creditNumString[15] % 2 === 0) {
+        finalIsEven = true; 
+    } else {
+        finalIsEven = false; 
+    }
+
+    // The sum of all the digits must be greater than 16
+    let sumHigherThan16
+
+    // to be able to sum the numbers, must to make it an arry
+    let creditNumArrOfStrings = [];
+    for (var i = 0; i < creditNumString.length; i++) {
+        creditNumArrOfStrings.push(parseFloat(creditNumString[i]));
+    }
+
+    // this calculates the numbers 
+    const reducer = (accumulator, currentValue) => accumulator + currentValue;
+    const sum = creditNumArrOfStrings.reduce(reducer);
+
+    if (sum <= 16) {
+        sumHigherThan16 = false;
+    } else {
+        sumHigherThan16 = true;} 
+
+
+// the digits cannot be the same
+    let notTheSameNum ;
+
+    // make it an arry
+    const allEqual = creditNumArrOfStrings => creditNumArrOfStrings.every( v => v === creditNumArrOfStrings[0] ); 
+    if (allEqual(creditNumArrOfStrings)) {
+        notTheSameNum = false;
+    } else {
+        notTheSameNum = true; 
+    }
+
+if (length && notTheSameNum && finalIsEven && sumHigherThan16) {
+    console.log('Valid credit card Number');
+} else { console.log(`${creditNum} is not valid. Please enter another number`);
+}
+
+    }
+
+