done task 4

21577f1e · Vladislav Rybalko · 21577f1e · 21577f1e
Commit 21577f1e authored May 08, 2024 by Vladislav Rybalko
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index.html index.html +13 -0

main.js js/main.js +202 -0

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--- a/index.html
+++ b/index.html
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    <script src="js/main.js"></script>
+</body>
+</html>
\ No newline at end of file
--- a/js/main.js
+++ b/js/main.js
+const userErrors = new Array(9).fill(0)
+let correctAnswer = 0
+let wrongAnswer = 0
+let questionCount = 0
+const quizMode = prompt('Choose difficult mode: \neasy \nnormal \nhard \nall')
+if(quizMode !== null) {
+    quizMode.toLowerCase().trim()
+}
+switch (quizMode) {
+    case 'easy' :
+        alert('easy')
+        while(true) {
+            const firstRandomNum = Math.floor(Math.random() * 2 + 1)
+            const secondRandomNum = Math.floor(Math.random() *  2 + 1)
+            const userAnswer = prompt(`What is ${firstRandomNum} * ${secondRandomNum}`)
+            if(userAnswer === null) break;
+            const userNum = parseInt(userAnswer)
+            if(!isNaN(userNum)) {
+                questionCount ++
+                if(userNum === firstRandomNum * secondRandomNum) {
+                    correctAnswer ++
+                } else {
+                    wrongAnswer ++
+                    userErrors[firstRandomNum - 1] ++
+                    if(firstRandomNum !== secondRandomNum) {
+                        userErrors[secondRandomNum - 1] ++
+                    }
+                };
+            } else {
+                alert('You enter invalid value!')
+            }
+        }
+        let errorMessage = ''
+        for (let i = 0; i < userErrors.length; i++) {
+            errorMessage += `Multiplay by ${i + 1} = ${userErrors[i]}\n`
+        }
+        const messageResult = `Total question: ${questionCount} \nCorrect answer: ${correctAnswer} \nWrong answer ${wrongAnswer} \n${errorMessage}`
+        alert(messageResult)
+        break;
+    case 'normal' : {
+        alert('normal')
+        while(true) {
+            const firstRandomNum = Math.floor(Math.random() * 3 + 3)
+            const secondRandomNum = Math.floor(Math.random() *  3 + 3)
+            const userAnswer = prompt(`What is ${firstRandomNum} * ${secondRandomNum}`)
+            if(userAnswer === null) break;
+            const userNum = parseInt(userAnswer)
+            if(!isNaN(userNum)) {
+                questionCount ++
+                if(userNum === firstRandomNum * secondRandomNum) {
+                    correctAnswer ++
+                } else {
+                    wrongAnswer ++
+                    userErrors[firstRandomNum - 1] ++
+                    if(firstRandomNum !== secondRandomNum) {
+                        userErrors[secondRandomNum - 1] ++
+                    }
+                };
+            } else {
+                alert('You enter invalid value!')
+            }
+        }
+        let errorMessage = ''
+        for (let i = 0; i < userErrors.length; i++) {
+            errorMessage += `Multiplay by ${i + 1} = ${userErrors[i]}\n`
+        }
+        const messageResult = `Total question: ${questionCount} \nCorrect answer: ${correctAnswer} \nWrong answer ${wrongAnswer} \n${errorMessage}`
+        alert(messageResult)
+    }
+    break;
+    case 'hard' : {
+        alert('hard')
+        while(true) {
+            let firstRandomNum = 1
+            while (
+                firstRandomNum === 1 || 
+                firstRandomNum === 2 || 
+                firstRandomNum === 5 ) {
+                    firstRandomNum = Math.floor(Math.random() *  9 + 1)
+            }
+            let secondRandomNum = 1
+            while (
+                secondRandomNum === 1 || 
+                secondRandomNum === 2 || 
+                secondRandomNum === 5 ) {
+                secondRandomNum = Math.floor(Math.random() *  9 + 1)
+            }
+            const userAnswer = prompt(`What is ${firstRandomNum} * ${secondRandomNum}`)
+            if(userAnswer === null) break;
+            const userNum = parseInt(userAnswer)
+            if(!isNaN(userNum)) {
+                questionCount ++
+                if(userNum === firstRandomNum * secondRandomNum) {
+                    correctAnswer ++
+                } else {
+                    wrongAnswer ++
+                    userErrors[firstRandomNum - 1] ++
+                    if(firstRandomNum !== secondRandomNum) {
+                        userErrors[secondRandomNum - 1] ++
+                    }
+                };
+            } else {
+                alert('You enter invalid value!')
+            }
+        }
+        let errorMessage = ''
+        for (let i = 0; i < userErrors.length; i++) {
+            errorMessage += `Multiplay by ${i + 1} = ${userErrors[i]}\n`
+        }
+        const messageResult = `Total question: ${questionCount} \nCorrect answer: ${correctAnswer} \nWrong answer ${wrongAnswer} \n${errorMessage}`
+        alert(messageResult)
+    }
+    break;
+    case 'all': {
+        alert('all')
+        while(true) {
+            const firstRandomNum = Math.floor(Math.random() * 9 + 1)
+            const secondRandomNum = Math.floor(Math.random() * 9 + 1)
+            const userAnswer = prompt(`What is ${firstRandomNum} * ${secondRandomNum}`)
+            if(userAnswer === null) break;
+            const userNum = parseInt(userAnswer)
+            if(!isNaN(userNum)) {
+                questionCount ++
+                if(userNum === firstRandomNum * secondRandomNum) {
+                    correctAnswer ++
+                } else {
+                    wrongAnswer ++
+                    userErrors[firstRandomNum - 1] ++
+                    if(firstRandomNum !== secondRandomNum) {
+                        userErrors[secondRandomNum - 1] ++
+                    }
+                };
+            } else {
+                alert('You enter invalid value!')
+            }
+        }
+        let errorMessage = ''
+        const countErr = []
+        for (let i = 0; i < userErrors.length; i++) {
+            countErr.push({ [i + 1]: userErrors[i]})
+        }
+        const sortedError = countErr.sort((a, b) => a[Object.keys(a)[0]] - b[Object.keys(b)[0]]).slice(-3)
+        for (let i = 0; i < sortedError.length; i++) {
+            const key = Object.keys(sortedError[i])[0]
+            const value = sortedError[i][key]
+            errorMessage += `Multiplay by ${key} = ${value}\n`
+        }
+        const messageResult = `Total question: ${questionCount} \nCorrect answer: ${correctAnswer} \nWrong answer ${wrongAnswer} \n${errorMessage}`
+        alert(messageResult)
+    }
+    break;
+    case null :
+        alert('End game')
+    break;
+    default:
+        alert('You enter invalid value, setting default mode, all')
+    break;
+}