devmentor-pl · marrcelp · Nov 29, 2024 · Nov 29, 2024 · Nov 29, 2024 · Nov 29, 2024
diff --git a/.DS_Store b/.DS_Store
diff --git a/01/assets/js/app.js b/01/assets/js/app.js
@@ -1,4 +1,52 @@
 const a = '4.2';
 const b = 9;
 
-console.log(a, b);
+console.log(a, b);
+console.log(typeof(a), typeof(b));
+
+function performAction(number1, number2, mathOperation) {
+
+    const numA = parseFloat(number1);
+    const numB = parseFloat(number2);
+
+    switch (mathOperation) {
+        case '+':
+            result = numA + numB;
+            break;
+
+        case '-':
+            result = numA - numB;
+            break;
+
+        case '*': 
+            result = numA * numB;
+            break;
+
+        case '/':
+            result = numA / numB;
+            break;
+
+        case '%':
+            result = numA % numB;
+            break;
+
+        default:
+            result = 'Niepoprawna operacja';
+    }
+
+    if (result > 20){
+        console.log('Wynik operacji jest większy od 20')
+    } else if (result === 20) {
+        console.log('Wynik operacji wynosi 20');
+    } else {
+        console.log('Wynik operacji jest mniejszy od 20')
+    }
+
+    return result;
+}
+
+console.log(performAction(a, b, '+'));
+console.log(performAction(a, b, '-'));
+console.log(performAction(a, b, '*'));
+console.log(performAction(a, b, '/'));
+console.log(performAction(a, b, '%'));
diff --git a/01/index.html b/01/index.html
@@ -7,6 +7,6 @@
     <title>devmentor.pl - JS BASICS - #01</title>
 </head>
 <body>
-
+    <script src="./assets/js/app.js"></script>
 </body>
 </html>
diff --git a/02/app.js b/02/app.js
@@ -1,7 +1,40 @@
-
 /* rozwiązanie z pętlą for */
-const x = 4;
+// const x = prompt('Podaj liczbę!');
+
+// if (x > 9 || x < 1){
+//     alert('Wartość powinna mieścić się w przedziale 1-9! Podaj cyfrę!');
+//     location.reload();
+// }
+
+// for (let i = 0; i < 10; i++){
+//     console.log(`${x} * ${i} = ${x*i}`);
+// }
+
+
+/* rozwiązanie z pętlą while  */
+
+const a = prompt('Podaj podstawę!'); 
+const n = prompt('Podaj wykładnik!');
+
+if (a > 9 || a < 0 || n < 0 || n > 10){
+    alert('Wartość powinna mieścić się w przedziale 1-9! Podaj cyfrę!');
+    location.reload();
+
+} else if (n == 0) {
+    console.log(`${a}^${n} = 1`); 
+    //zostawilem w tym przypadku zapis a^n, poniewaz a^0 = 1, ciezko to inaczej zapisac
+
+} else {
 
+    let i = 1;
+    let sum = a;
+    let equation = `${a}`
 
+    while (i < n){
+        sum *= a;
+        equation += ` * ${a}`;
+        i++;
+    }
 
-/* rozwiązanie z pętlą while  */
+    console.log(`${equation} = ${sum}`);
+}
diff --git a/02/index.html b/02/index.html
@@ -7,6 +7,6 @@
     <title>devmentor.pl - JS BASICS - #02</title>
 </head>
 <body>
-
+    <script src = './app.js'></script>
 </body>
 </html>
diff --git a/03/app.js b/03/app.js
@@ -7,12 +7,55 @@ const c = randomNumber(min, max);
 
 console.log(a, b, c);
 
+function randomNumber(min, max) {
+    return Math.round((Math.random() * (max - min)) + min);
+}
 
+function getSum(a, b, c) {
 
+    const array = [parseInt(a), parseInt(b), parseInt(c)];
+    const sortedArray = array.sort((a ,b) => b - a);
+    const arrayWith2Elements = sortedArray.slice(0, 2);
+    const sum = arrayWith2Elements.reduce((acc, el) => acc + el, 0);
+    return sum;
+
+}
 
 
+const isEven = function(number){
 
+    if (typeof(number) !== 'number'){
+        return null;
+    }
 
-function randomNumber(min, max) {
-    return Math.round((Math.random() * (max - min)) + min);
-}
+    if(number%2 === 0){
+        return true;
+    } else {
+        return false;
+    }
+}
+
+function showInfo(value, boolean){
+
+    switch(value, boolean){
+        case null:
+            console.log(`Podany argument ${value} nie jest liczbą`);
+            break;
+
+        case true:
+            console.log(`Podany argument ${value} jest parzysty`);
+            break;
+
+        case false:
+            console.log(`Podany argument ${value} jest nieparzysty`);
+            break;
+    }
+}
+
+const sum = getSum(a, b, c);
+console.log(sum);
+
+const isSumEven = isEven(sum);
+console.log(isSumEven);
+
+showInfo(sum, isSumEven);
diff --git a/04/app.js b/04/app.js
@@ -0,0 +1,33 @@
+function createArray(min, max){
+
+    const array = [];
+
+    for (let i = 0; i < 20; i++){
+        const randomNumber = Math.round((Math.random() * (max - min)) + min);
+        array.push(randomNumber);
+    }
+
+    return array;
+}
+
+function sortArray(array){
+    const sortedArray = array.sort((a, b) => b - a);
+    const highestNumbers = sortedArray.slice(0, 10);
+    return highestNumbers;
+}
+
+function getAvg(array){
+    const sum = array.reduce((acc, element) => acc + element, 0);
+    const avg = sum / array.length;
+    return avg;
+}
+
+const arr = createArray(10, 200);
+console.log(arr);
+
+const sort = sortArray(arr);
+console.log(sort);
+
+const avg =getAvg(sort);
+console.log(avg);
+
diff --git a/04/index.html b/04/index.html
@@ -7,6 +7,6 @@
     <title>devmentor.pl - JS BASICS - #04</title>
 </head>
 <body>
-
+    <script src = './app.js'></script>
 </body>
 </html>
diff --git a/05/app.js b/05/app.js
@@ -0,0 +1,42 @@
+function Student(firstName, lastName){
+    this.firstName = firstName;
+    this.lastName = lastName;
+    this.grades = {};
+}
+
+Student.prototype.addGrade = function(subject, grade) {
+
+        if(typeof this.grades[subject] === 'undefined') {
+        this.grades[subject] = [];
+        }
+
+    this.grades[subject].push(grade);
+}
+
+Student.prototype.getAverageGrade = function(subject){
+
+    if(typeof this.grades[subject] === 'undefined') {
+
+        const allGrades = Object.values(this.grades).flat();
+        const generalSum = allGrades.reduce((acc, element) => acc + element);
+        const generalAvg = (generalSum / allGrades.length).toFixed(2);
+        return generalAvg;
+    }
+
+    const sum = this.grades[subject].reduce((acc, element) => acc + element);
+    const avg = sum / this.grades[subject].length;
+    return avg;
+}
+
+const student = new Student('Jan', 'Kowalski');
+student.addGrade('math', 4);
+student.addGrade('math', 6);
+student.addGrade('english', 3);
+
+const avgMath = student.getAverageGrade('math');
+console.log(avgMath);
+
+const avg = student.getAverageGrade();
+console.log(avg);
+
+console.log(student);
diff --git a/05/index.html b/05/index.html
@@ -7,6 +7,6 @@
     <title>devmentor.pl - JS BASICS - #05</title>
 </head>
 <body>
-
+    <script src="./app.js"></script>
 </body>
 </html>
-Original file line number
+Diff line change
@@ Expand Up / @@ -7,6 +7,6 @@ @@
         <title>devmentor.pl - JS BASICS - #01</title>
     </head>
     <body>
+        <script src="./assets/js/app.js"></script>
     </body>
     </html>