challenges completed

ErhanKRL · ErhanKRL · commit d70aafd20680 · 2023-11-22T11:56:02.000+01:00
diff --git a/Week3/challenges/1-sum-entries.js b/Week3/challenges/1-sum-entries.js
@@ -9,7 +9,13 @@ Once you have found those numbers, multiply the numbers and store the result of
 
 const list = [1721, 979, 366, 299, 675, 1456];
 let result;
-    
+  list.forEach(item => {
+    let i = list.indexOf(item) + 1;
+    for(i ; i<list.length-1; i++) {
+        if(list[i] + item === 2020) {
+            result = list[i] * item;
+        }
+  }})  
 // Write your code here
 
 
diff --git a/Week3/challenges/2-sum-three-entries.js b/Week3/challenges/2-sum-three-entries.js
@@ -9,7 +9,14 @@ Once you have found those numbers, multiply the numbers and store the result of
 
 const list = [1721, 979, 366, 299, 675, 1456];
 let result;
-    
+list.forEach(item => {
+    let i = list.indexOf(item) + 1;
+    let j = list.indexOf(item) + 2;
+    for(j ; j<list.length-1; j++) {
+        if(list[i]+list[j]+item === 2020) {
+            result = list[i] * list[j] * item;
+        }
+  }})    
 // Write your code here
 
 
diff --git a/Week3/challenges/3-password-validation.js b/Week3/challenges/3-password-validation.js
@@ -20,4 +20,21 @@ const passwordList = [
     { times: '1-3', letter: 'a', password: 'abcde'},
     { times: '1-3', letter: 'b', password: 'cdefg'},
     { times: '2-9', letter: 'c', password: 'ccccccccc'}
-];
+];
+
+passwordList.forEach(item => {
+    const min = Number(item.times[0]);
+    const max = Number(item.times[2]);
+    const letter = item.letter;
+    const password = item.password.split('');
+    let frequency = 0;
+    password.forEach(item => {
+        if(item === letter){
+            frequency += 1;
+        }
+    })
+    let validation = '';
+    frequency >= min && frequency <= max ? validation = 'VALID' : validation = 'INVALID'
+    console.log(`'${item.password}' is ${validation} ${letter} is present ${frequency} times and should have been present at least ${min} and at most ${max} times `)
+   
+})
diff --git a/Week3/challenges/4-bank-account.js b/Week3/challenges/4-bank-account.js
@@ -27,11 +27,28 @@ const bankAccount = {
   ],
 };
 
+const makeTransaction = (amount, onSuccess, onFail, reason) => {
+  if(amount > bankAccount.currentBalance){
+    onFail();
+  }else {
+    onSuccess();
+    currentTransaction = {
+      prevAmount:0,
+      newAmount:0,
+      reason: "",
+    }
+    currentTransaction.prevAmount = bankAccount.currentBalance;
+    bankAccount.currentBalance -= amount;
+    currentTransaction.newAmount = bankAccount.currentBalance;
+    currentTransaction.reason = reason;
+    bankAccount.transactions.push(currentTransaction);
+  }
+};
 const donateMoney = (amount, onSuccess, onFail) => {
-  // TODO complete this function
+  makeTransaction(amount, onSuccess, onFail, 'Donation');
 };
 const payRent = (amount, onSuccess, onFail) => {
-  // TODO complete this function
+  makeTransaction(amount, onSuccess, onFail, 'Rent')
 };
 
 /**
