v2.2

Author: jonasschmedtmann

01-Fundamentals-Part-1/final/script.js

@@ -246,7 +246,6 @@ console.log(String(23), 23);
 console.log('I am ' + 23 + ' years old');
 console.log('23' - '10' - 3);
 console.log('23' / '2');
-console.log('23' > '18');
 
 let n = '1' + 1; // '11'
 n = n - 1;
@@ -445,7 +444,6 @@ console.log(drink2);
 console.log(`I like to drink ${age >= 18 ? 'wine 🍷' : 'water 💧'}`);
 */
 
-
 ////////////////////////////////////
 // Coding Challenge #4
 
@@ -467,4 +465,4 @@ GOOD LUCK 😀
 const bill = 430;
 const tip = bill <= 300 && bill >= 50 ? bill * 0.15 : bill * 0.2;
 console.log(`The bill was ${bill}, the tip was ${tip}, and the total value ${bill + tip}`);
-*/
+*/

09-Data-Structures-Operators/final/script.js

@@ -48,7 +48,6 @@ const restaurant = {
   },
 };
 
-/*
 ///////////////////////////////////////
 // String Methods Practice
 
@@ -70,7 +69,6 @@ for (const flight of flights.split('+')) {
   )} ${getCode(from)} ${getCode(to)} (${time.replace(':', 'h')})`.padStart(36);
   console.log(output);
 }
-*/
 
 ///////////////////////////////////////
 // Coding Challenge #4
@@ -673,6 +671,39 @@ team1 < team2 && console.log('Team 1 is more likely to win');
 team1 > team2 && console.log('Team 2 is more likely to win');
 
 
+///////////////////////////////////////
+// Logical Assignment Operators
+const rest1 = {
+  name: 'Capri',
+  // numGuests: 20,
+  numGuests: 0,
+};
+
+const rest2 = {
+  name: 'La Piazza',
+  owner: 'Giovanni Rossi',
+};
+
+// OR assignment operator
+// rest1.numGuests = rest1.numGuests || 10;
+// rest2.numGuests = rest2.numGuests || 10;
+// rest1.numGuests ||= 10;
+// rest2.numGuests ||= 10;
+
+// nullish assignment operator (null or undefined)
+rest1.numGuests ??= 10;
+rest2.numGuests ??= 10;
+
+// AND assignment operator
+// rest1.owner = rest1.owner && '<ANONYMOUS>';
+// rest2.owner = rest2.owner && '<ANONYMOUS>';
+rest1.owner &&= '<ANONYMOUS>';
+rest2.owner &&= '<ANONYMOUS>';
+
+console.log(rest1);
+console.log(rest2);
+
+
 ///////////////////////////////////////
 // The Nullish Coalescing Operator
 restaurant.numGuests = 0;

11-Arrays-Bankist/final/script.js

@@ -275,6 +275,21 @@ console.log([...arr, ...arr2]);
 console.log(letters.join(' - '));
 
 
+///////////////////////////////////////
+// The new at Method
+const arr = [23, 11, 64];
+console.log(arr[0]);
+console.log(arr.at(0));
+
+// getting last array element
+console.log(arr[arr.length - 1]);
+console.log(arr.slice(-1)[0]);
+console.log(arr.at(-1));
+
+console.log('jonas'.at(0));
+console.log('jonas'.at(-1));
+
+
 ///////////////////////////////////////
 // Looping Arrays: forEach
 const movements = [200, 450, -400, 3000, -650, -130, 70, 1300];
@@ -609,7 +624,7 @@ console.log(movements);
 const arr = [1, 2, 3, 4, 5, 6, 7];
 console.log(new Array(1, 2, 3, 4, 5, 6, 7));
 
-// Empty arrays + fill method
+// Emprty arrays + fill method
 const x = new Array(7);
 console.log(x);
 // console.log(x.map(() => 5));
@@ -636,7 +651,7 @@ labelBalance.addEventListener('click', function () {
 
   const movementsUI2 = [...document.querySelectorAll('.movements__value')];
 });
-
+*/
 
 ///////////////////////////////////////
 // Array Methods Practice
@@ -657,10 +672,10 @@ console.log(bankDepositSum);
 const numDeposits1000 = accounts
   .flatMap(acc => acc.movements)
   .reduce((count, cur) => (cur >= 1000 ? ++count : count), 0);
-  
+
 console.log(numDeposits1000);
 
-// Prefixed ++ operator
+// Prefixed ++ oeprator
 let a = 10;
 console.log(++a);
 console.log(a);
@@ -676,29 +691,28 @@ const { deposits, withdrawals } = accounts
     },
     { deposits: 0, withdrawals: 0 }
   );
-  
+
 console.log(deposits, withdrawals);
 
 // 4.
 // this is a nice title -> This Is a Nice Title
 const convertTitleCase = function (title) {
-  const capitalize = str => str[0].toUpperCase() + str.slice(1);
+  const capitzalize = str => str[0].toUpperCase() + str.slice(1);
 
   const exceptions = ['a', 'an', 'and', 'the', 'but', 'or', 'on', 'in', 'with'];
 
   const titleCase = title
     .toLowerCase()
     .split(' ')
-    .map(word => (exceptions.includes(word) ? word : capitalize(word)))
+    .map(word => (exceptions.includes(word) ? word : capitzalize(word)))
     .join(' ');
 
-  return capitalize(titleCase);
+  return capitzalize(titleCase);
 };
 
 console.log(convertTitleCase('this is a nice title'));
 console.log(convertTitleCase('this is a LONG title but not too long'));
 console.log(convertTitleCase('and here is another title with an EXAMPLE'));
-*/
 
 ///////////////////////////////////////
 // Coding Challenge #4