add random shuffle for questions on each login

gun-imperiyasy.html

@@ -185,6 +185,16 @@ let timerInterval = null;
 let seconds = 0;
 let userName = '';
 let answered = false;
+let shuffledQuestions = [];
+
+function shuffleArray(array) {
+  const shuffled = [...array];
+  for (let i = shuffled.length - 1; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1));
+    [shuffled[i], shuffled[j]] = [shuffled[j], shuffled[i]];
+  }
+  return shuffled;
+}
 
 function checkLogin() {
   const savedName = localStorage.getItem('ebtUserName');
@@ -253,13 +263,14 @@ function startQuiz() {
   currentQuestion = 0;
   answers = {};
   seconds = 0;
+  shuffledQuestions = shuffleArray(QUESTIONS);
   startTimer();
-  document.getElementById('q-total').textContent = QUESTIONS.length;
+  document.getElementById('q-total').textContent = shuffledQuestions.length;
   showQuestion();
 }
 
 function showQuestion() {
-  const q = QUESTIONS[currentQuestion];
+  const q = shuffledQuestions[currentQuestion];
   document.getElementById('q-current').textContent = currentQuestion + 1;
   document.getElementById('question-text').textContent = q.q;
   
@@ -347,7 +358,7 @@ function showResults() {
   
   let correct = 0;
   let wrong = 0;
-  QUESTIONS.forEach((q, i) => {
+  shuffledQuestions.forEach((q, i) => {
     if (answers[i] === q.correct) {
       correct++;
     } else {
@@ -355,7 +366,7 @@ function showResults() {
     }
   });
   
-  const percentage = Math.round((correct / QUESTIONS.length) * 100);
+  const percentage = Math.round((correct / shuffledQuestions.length) * 100);
   
   document.getElementById('quiz-section').classList.add('hidden');
   document.getElementById('result-section').classList.remove('hidden');

index.html

@@ -176,6 +176,16 @@ let timerInterval = null;
 let seconds = 0;
 let userName = '';
 let answered = false;
+let shuffledQuestions = [];
+
+function shuffleArray(array) {
+  const shuffled = [...array];
+  for (let i = shuffled.length - 1; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1));
+    [shuffled[i], shuffled[j]] = [shuffled[j], shuffled[i]];
+  }
+  return shuffled;
+}
 
 function checkLogin() {
   const savedName = localStorage.getItem('ebtUserName');
@@ -244,13 +254,14 @@ function startQuiz() {
   currentQuestion = 0;
   answers = {};
   seconds = 0;
+  shuffledQuestions = shuffleArray(QUESTIONS);
   startTimer();
-  document.getElementById('q-total').textContent = QUESTIONS.length;
+  document.getElementById('q-total').textContent = shuffledQuestions.length;
   showQuestion();
 }
 
 function showQuestion() {
-  const q = QUESTIONS[currentQuestion];
+  const q = shuffledQuestions[currentQuestion];
   document.getElementById('q-current').textContent = currentQuestion + 1;
   document.getElementById('question-text').textContent = q.q;
   
@@ -338,15 +349,16 @@ function showResults() {
   
   let correct = 0;
   let wrong = 0;
-  QUESTIONS.forEach((q, i) => {
+  shuffledQuestions.forEach((q, i) => {
-    if (answers[i] === q.correct) {
+    const originalIndex = QUESTIONS.findIndex(orig => orig.q === q.q);
+    if (answers[i] === originalIndex) {
       correct++;
     } else {
       wrong++;
     }
   });
   
-  const percentage = Math.round((correct / QUESTIONS.length) * 100);
+  const percentage = Math.round((correct / shuffledQuestions.length) * 100);
   
   document.getElementById('quiz-section').classList.add('hidden');
   document.getElementById('result-section').classList.remove('hidden');

qanly-uysin-sarmattar.html

@@ -179,6 +179,16 @@ let timerInterval = null;
 let seconds = 0;
 let userName = '';
 let answered = false;
+let shuffledQuestions = [];
+
+function shuffleArray(array) {
+  const shuffled = [...array];
+  for (let i = shuffled.length - 1; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1));
+    [shuffled[i], shuffled[j]] = [shuffled[j], shuffled[i]];
+  }
+  return shuffled;
+}
 
 function checkLogin() {
   const savedName = localStorage.getItem('ebtUserName');
@@ -247,13 +257,14 @@ function startQuiz() {
   currentQuestion = 0;
   answers = {};
   seconds = 0;
+  shuffledQuestions = shuffleArray(QUESTIONS);
   startTimer();
-  document.getElementById('q-total').textContent = QUESTIONS.length;
+  document.getElementById('q-total').textContent = shuffledQuestions.length;
   showQuestion();
 }
 
 function showQuestion() {
-  const q = QUESTIONS[currentQuestion];
+  const q = shuffledQuestions[currentQuestion];
   document.getElementById('q-current').textContent = currentQuestion + 1;
   document.getElementById('question-text').textContent = q.q;
   
@@ -341,7 +352,7 @@ function showResults() {
   
   let correct = 0;
   let wrong = 0;
-  QUESTIONS.forEach((q, i) => {
+  shuffledQuestions.forEach((q, i) => {
     if (answers[i] === q.correct) {
       correct++;
     } else {
@@ -349,7 +360,7 @@ function showResults() {
     }
   });
   
-  const percentage = Math.round((correct / QUESTIONS.length) * 100);
+  const percentage = Math.round((correct / shuffledQuestions.length) * 100);
   
   document.getElementById('quiz-section').classList.add('hidden');
   document.getElementById('result-section').classList.remove('hidden');