devmentor-pl · PatrickStojek · Aug 23, 2024 · Aug 23, 2024 · Aug 23, 2024 · Aug 23, 2024
diff --git a/01/assets/js/app.js b/01/assets/js/app.js
@@ -1,4 +1,61 @@
 const a = '4.2';
 const b = 9;
 
-console.log(a, b);
+console.log(a, b);
+
+console.log(typeof(a)); console.log(typeof(b))
+
+////operations
+const addition = a + b
+const subraction = a - b
+const multiplication = a * b
+const exponentiation = a**b
+const division = a / b
+
+function checkAddition(addition) {
+    const result  = Boolean(addition === parseFloat(a) + parseFloat(b))
+    if(result) {
+        return addition
+    } else return parseFloat(a) + parseFloat(b)
+}
+
+function checkSubtraction(subtraction) {
+    const result  = Boolean(subtraction === parseFloat(a) - parseFloat(b))
+    if(result) {
+        return subtraction
+    } else return parseFloat(a) - parseFloat(b)
+}
+function checkMultiplication(multiplication) {
+    const result  = Boolean(multiplication === parseFloat(a) * parseFloat(b))
+    if(result) {
+        return multiplication
+    } else return parseFloat(a) * parseFloat(b)
+}
+function checkDivision(division) {
+    const result  = Boolean(division === parseFloat(a) / parseFloat(b))
+    if(result) {
+        return division
+    } else return parseFloat(a) / parseFloat(b)
+}
+function checkExponation(exponentiation) {
+    const result  = Boolean(exponentiation === parseFloat(a) ** parseFloat(b))
+    if(result) {
+        return exponentiation
+    } else return parseFloat(a) ** parseFloat(b)
+}
+
+function isBiggerthan20(result) {
+    if(result > 20) {
+        console.log('the result is bigger than 20')
+    } else console.log('the result is smaller than 20')
+}
+
+const allResults = [addition, subraction, multiplication, exponentiation, division]
+allResults.forEach(function(result) {
+    isBiggerthan20(result)
+})
+
+
+
+
+
diff --git a/01/index.html b/01/index.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <script src="assets/js/app.js"></script>
     <title>devmentor.pl - JS BASICS - #01</title>
 </head>
 <body>

diff --git a/02/app.js b/02/app.js
@@ -1,7 +1,34 @@
 
 /* rozwiązanie z pętlą for */
-const x = 4;
+const x = prompt("Podaj liczbę!")
+for(let i = 1; i < 10; i++) {
+    console.log(x + '*' + i +  '=' + x * i)
+}
 
+/* rozwiązanie z pętlą while  */
 
 
-/* rozwiązanie z pętlą while  */
+function exponentiation() {
+    const a = parseFloat(prompt('podaj podstawę potęgi!'))
+    const n = parseFloat(prompt('podaj wykładnik potęgi!'))
+
+    if(isNaN(a) || isNaN(n)) {
+        console.log('wrong input format')
+        return;
+    }
+    let counter = 1
+    let output = ''
+    while(counter <= n) {
+        if(counter == 1) {
+            output += a
+        } else if(counter > 1 && counter !== n){
+            output += '*' + a
+        } else {
+            output += '*' + a + '=' + a**n
+        }
+        counter++
+    }
+    console.log(output)
+}
+
+exponentiation()
diff --git a/02/index.html b/02/index.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <script src="app.js"></script>
     <title>devmentor.pl - JS BASICS - #02</title>
 </head>
 <body>

diff --git a/03/app.js b/03/app.js
@@ -7,10 +7,43 @@ const c = randomNumber(min, max);
 
 console.log(a, b, c);
 
-
-
-
-
+function getSum(num1, num2, num3) {
+    num1Int = parseInt(num1)
+    num2Int = parseInt(num2)
+    num3Int = parseInt(num3)
+
+    const numbers = [num1Int, num2Int, num3Int]
+    numbers.sort((a,b) => b - a)
+    const sum = numbers[0] + numbers[1]
+    return sum
+}
+
+const isEven = (num) => {
+    if(isNaN(num)){
+        return null
+    } else {
+        if(num % 2 === 0) {
+            return true
+        } else return false
+    }
+}
+
+function showInfo(sum,value) {
+    switch(value) {
+        case null:
+            console.log(`Podany argument ${sum} nie jest liczbą`)
+            break
+        case true:
+            console.log(`Podany argument ${sum} jest parzysty`)
+            break
+        case false:
+            console.log(`Podany argument ${sum} jest nieparzysty`)
+    }
+}
+
+const sum = getSum(a,b, c)
+const even = isEven(sum)
+showInfo(sum, even)
 
 
 function randomNumber(min, max) {

diff --git a/04/app.js b/04/app.js
@@ -0,0 +1,23 @@
+function createArray(min, max) {
+    const array = []
+    for(let i = 0; i < 20; i++) {
+        const number = Math.round(Math.random() * (max - min) + min)
+        array.push(number)
+    }
+    return array
+}
+
+function sortArray(array) {
+    array.sort((a,b) => b - a)
+    return array.slice(0,10)
+}
+
+function arithmeticAvarage(array){
+    const arrayLength = array.length
+    const sum = array.reduce((acc, curr) => acc + curr)
+    const avarage = sum / arrayLength
+    return avarage 
+}
+
+const RandomArray = createArray(10,200)
+console.log(arithmeticAvarage(sortArray(RandomArray)))
diff --git a/04/index.html b/04/index.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <script src="app.js"></script>
     <title>devmentor.pl - JS BASICS - #04</title>
 </head>
 <body>

diff --git a/05/app.js b/05/app.js
@@ -0,0 +1,43 @@
+function Student(initFirstName, initLastName) {
+    this.firstName = initFirstName
+    thislastName = initLastName
+    this.grades = {}
+}
+
+Student.prototype.addGrade = function(subject, grade) {
+    if(typeof this.grades[subject] === 'undefined') {
+        this.grades[subject] = []
+    }
+    this.grades[subject].push(grade)
+}
+
+Student.prototype.getAvarageGrade = function(subject) {
+    if(subject !== undefined) {
+        const gradesNumber = this.grades[subject].length
+        const sum = this.grades[subject].reduce((acc, curr) => acc + curr)
+        const avarage = sum / gradesNumber
+        return avarage
+    } else {
+        let totalGrades = 0;
+        let totalSum = 0;
+        for(subj in this.grades) {
+            const grades = this.grades[subj].length
+            const sum = this.grades[subj].reduce((acc, curr) => acc + curr)
+            totalSum += sum;
+            totalGrades += grades
+        }
+        const overallAvarage = totalSum / totalGrades;
+        return overallAvarage;
+    }
+}
+
+
+const Student1 = new Student("Ala", "Sobota")
+Student1.addGrade('math', 5)
+Student1.addGrade('math', 5)
+Student1.addGrade('math', 4)
+Student1.addGrade('english', 4)
+Student1.addGrade('biology', 3)
+console.log(Student1.getAvarageGrade())
+console.log(Student1)
+
diff --git a/05/index.html b/05/index.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <script src="app.js"></script>
     <title>devmentor.pl - JS BASICS - #05</title>
 </head>
 <body>