PT_RMT_082025 [Andre_Pires]

index.html

@@ -39,7 +39,7 @@ <h1>JavaScript Quiz</h1>
           <div id="result"></div>
         </div>
         <!-- The below 'Restart Quiz' button is commented out because it is not used initially -->
-        <!-- <button id="restartButton" class="button-secondary">Restart Quiz</button> -->
+        <button id="restartButton" class="button-secondary">Restart Quiz</button>
       </div>
     </div>
 

src/index.js

@@ -45,14 +45,17 @@ document.addEventListener("DOMContentLoaded", () => {
 
   /************  SHOW INITIAL CONTENT  ************/
 
+  function timeInitialContent(){
   // Convert the time remaining in seconds to minutes and seconds, and pad the numbers with zeros if needed
   const minutes = Math.floor(quiz.timeRemaining / 60).toString().padStart(2, "0");
   const seconds = (quiz.timeRemaining % 60).toString().padStart(2, "0");
 
   // Display the time remaining in the time remaining container
   const timeRemainingContainer = document.getElementById("timeRemaining");
   timeRemainingContainer.innerText = `${minutes}:${seconds}`;
+  };
 
+  timeInitialContent();
   // Show first question
   showQuestion();
 
@@ -61,6 +64,19 @@ document.addEventListener("DOMContentLoaded", () => {
 
   let timer;
 
+  function timeStarts(){
+    timer = setInterval(function(){
+      quiz.timeRemaining -= 1;  
+      timeInitialContent();
+        // Display the time remaining in the time remaining container
+      if (quiz.timeRemaining <= 0) {
+        clearInterval(timer);
+        showResults();
+      }
+    },1000);
+  }
+
+  timeStarts()
 
   /************  EVENT LISTENERS  ************/
 
@@ -75,7 +91,6 @@ document.addEventListener("DOMContentLoaded", () => {
   // showResults() - Displays the end view and the quiz results
 
 
-
   function showQuestion() {
     // If the quiz has ended, show the results
     if (quiz.hasEnded()) {
@@ -91,26 +106,26 @@ document.addEventListener("DOMContentLoaded", () => {
     const question = quiz.getQuestion();
     // Shuffle the choices of the current question by calling the method 'shuffleChoices()' on the question object
     question.shuffleChoices();
-
-
+
 
     // YOUR CODE HERE:
     //
     // 1. Show the question
     // Update the inner text of the question container element and show the question text
-
+    questionContainer.innerText = question.text;
 
     // 2. Update the green progress bar
     // Update the green progress bar (div#progressBar) width so that it shows the percentage of questions answered
-
-    progressBar.style.width = `65%`; // This value is hardcoded as a placeholder
-
+    // progressBar.style.width = `65%`; // This value is hardcoded as a placeholder
+    const currentIndex = quiz.currentQuestionIndex+1;
+    const percentageProgression = currentIndex/(quiz.questions.length)*100
+    progressBar.style.width = `${percentageProgression}%`;
 
 
     // 3. Update the question count text 
     // Update the question count (div#questionCount) show the current question out of total questions
-
-    questionCount.innerText = `Question 1 of 10`; //  This value is hardcoded as a placeholder
+    const questionNumber = 10    
+    questionCount.innerText = `Question ${currentIndex} of ${quiz.questions.length}`; //  This value is hardcoded as a placeholder
 
 
 
@@ -128,10 +143,32 @@ document.addEventListener("DOMContentLoaded", () => {
       // Hint 3: You can use the `element.appendChild()` method to append an element to the choices container.
       // Hint 4: You can use the `element.innerText` property to set the inner text of an element.
 
+      // console.log(question.choices);
+      question.choices.forEach(each_choice => {
+        // Create input element (radio button)
+        const input = document.createElement('input');
+        input.type = "radio";
+        input.name = "choice"; // group all radios together
+        input.value = each_choice;
+
+        // Create label element
+        const label = document.createElement('label');
+        label.innerText = each_choice;
+
+        // Add a line break
+        const br = document.createElement('br');
+
+        // Append elements to parent
+        let parent = document.querySelector('#choices');
+        parent.appendChild(input);
+        parent.appendChild(label);
+        parent.appendChild(br);
+      });
   }
 
 
-
+
+
   function nextButtonHandler () {
     let selectedAnswer; // A variable to store the selected answer value
 
@@ -140,23 +177,29 @@ document.addEventListener("DOMContentLoaded", () => {
     // YOUR CODE HERE:
     //
     // 1. Get all the choice elements. You can use the `document.querySelectorAll()` method.
-
+    const collectAnswers = document.querySelectorAll('input[name="choice"]');
 
     // 2. Loop through all the choice elements and check which one is selected
       // Hint: Radio input elements have a property `.checked` (e.g., `element.checked`).
       //  When a radio input gets selected the `.checked` property will be set to true.
       //  You can use check which choice was selected by checking if the `.checked` property is true.
-
+    collectAnswers.forEach((each_colleted_choice) => {
+      if(each_colleted_choice.checked === true){
+        selectedAnswer=each_colleted_choice.value;
+      };
+    })
 
     // 3. If an answer is selected (`selectedAnswer`), check if it is correct and move to the next question
       // Check if selected answer is correct by calling the quiz method `checkAnswer()` with the selected answer.
       // Move to the next question by calling the quiz method `moveToNextQuestion()`.
       // Show the next question by calling the function `showQuestion()`.
+    quiz.checkAnswer(selectedAnswer);
+    quiz.moveToNextQuestion();
+    showQuestion();
   }  
 
 
 
-
   function showResults() {
 
     // YOUR CODE HERE:
@@ -168,7 +211,20 @@ document.addEventListener("DOMContentLoaded", () => {
     endView.style.display = "flex";
 
     // 3. Update the result container (div#result) inner text to show the number of correct answers out of total questions
-    resultContainer.innerText = `You scored 1 out of 1 correct answers!`; // This value is hardcoded as a placeholder
+    resultContainer.innerText = `You scored ${quiz.correctAnswers} out of ${quiz.questions.length} correct answers!`; // This value is hardcoded as a placeholder
+
+    clearInterval(timer);
   }
-
+
+
+  document.querySelector('#restartButton').addEventListener('click', ()=>{
+    endView.style.display = "none";
+    quizView.style.display = "flex";
+    quiz.currentQuestionIndex = 0;
+    quiz.correctAnswers = 0;
+    quiz.shuffleQuestions();
+    showQuestion();
+    quiz.timeRemaining = quizDuration;
+    timeStarts();
+  })
 });

src/question.js

@@ -2,6 +2,75 @@ class Question {
     // YOUR CODE HERE:
     //
     // 1. constructor (text, choices, answer, difficulty)
-
+    constructor(text, choices, answer, difficulty){
+        this.text=text;
+        this.choices=choices;
+        this.answer=answer;
+        this.difficulty=difficulty;
+    }
     // 2. shuffleChoices()
-}
+    shuffleChoices(){
+        const oldArray = [...this.choices];
+        const newArray=[];
+        while (oldArray.length>0){
+            const randomArrayIndex = Math.floor(Math.random()*(oldArray.length));
+            if(oldArray[randomArrayIndex]!==undefined){
+                newArray.push(oldArray[randomArrayIndex]);
+                oldArray.splice(randomArrayIndex, 1);
+            }
+        }
+        this.choices = newArray;
+        return this.choices;
+
+    // shuffleChoices(){
+    //     let i = 10;
+    //     while (i>0){
+    //         const randomArrayIndex = Math.floor(Math.random()*(this.choices.length));
+    //         const pichOneAnswer = this.choices[randomArrayIndex];
+    //         this.choices.splice(randomArrayIndex, 1);
+    //         this.choices.push(pichOneAnswer);
+    //         i --;
+    //     }
+    // }
+
+    }
+}
+
+
+
+// ------------------First Try-------------------------------
+
+
+// ------------------Testing-------------------------------
+// const testArray=["a","b","c","d"];
+// const newArray=[];
+// // const randomArrayIndex = Math.floor(Math.random()*(testArray.length));
+// // console.log(Math.floor(Math.random()*(testArray.length)));
+// // console.log(testArray[randomArrayIndex]);
+
+
+// ------------------First Try-------------------------------
+// while (testArray.length>0){
+//     const randomArrayIndex = Math.floor(Math.random()*(testArray.length));
+//     if(testArray[randomArrayIndex]!==undefined){
+//         newArray.push(testArray[randomArrayIndex]);
+//         testArray.splice(randomArrayIndex, 1);
+//     }
+// }
+
+// console.log(testArray);
+// console.log(newArray);
+
+
+// ------------------Second Try-------------------------------
+// const testArray2=["a","b","c","d"];
+// let i = 10;
+// while (i>0){
+//     const randomArrayIndex = Math.floor(Math.random()*(testArray2.length));
+//     const string = testArray2[randomArrayIndex];
+//     testArray2.splice(randomArrayIndex, 1);
+//     testArray2.push(string);
+//     i --;
+// }
+
+// console.log(testArray2);

src/quiz.js

@@ -2,14 +2,86 @@ class Quiz {
     // YOUR CODE HERE:
     //
     // 1. constructor (questions, timeLimit, timeRemaining)
+    constructor(questions, timeLimit, timeRemaining){
+        this.questions=questions;
+        this.timeLimit=timeLimit;
+        this.timeRemaining=timeRemaining;
+        this.correctAnswers=0;
+        this.currentQuestionIndex=0;
+    }
+
 
     // 2. getQuestion()
-
+    getQuestion(){
+        return this.questions[this.currentQuestionIndex];
+    }
+/*
+    Questions = [
+        {text:, choices:[], answer:[], difficulty:};
+        {text:, choices:[], answer:[], difficulty:};
+        {text:, choices:[], answer:[], difficulty:};
+        {text:, choices:[], answer:[], difficulty:}
+    ]
+*/
+
+
+
     // 3. moveToNextQuestion()
+    moveToNextQuestion(){
+       this.currentQuestionIndex +=1;
+    }
+
 
-    // 4. shuffleQuestions()
+    // 4. shuffleQuestions() 
+    shuffleQuestions(){
+        let i = 10;
+        while (i>0){
+            const randomArrayIndex = Math.floor(Math.random()*(this.questions.length));
+            const pichOneAnswer = this.questions[randomArrayIndex];
+            this.questions.splice(randomArrayIndex, 1);
+            this.questions.push(pichOneAnswer);
+            i --;
+        }
+    }
 
     // 5. checkAnswer(answer)
+    checkAnswer(answer){
+        const currentQuestion = this.getQuestion();
+        if(answer === currentQuestion.answer){
+            this.correctAnswers += 1;
+        }
+    }
+
 
     // 6. hasEnded()
-}
+    hasEnded(){
+        if(this.currentQuestionIndex===this.questions.length){
+        return true;            
+        } else {
+            return false;
+        }
+    }
+
+    // 7. filterQuestionsByDifficulty()
+    filterQuestionsByDifficulty(difficulty){
+        if (difficulty>=1 && difficulty<=3){
+            const newVar7 = this.questions.filter( each_question =>{
+            return each_question.difficulty === difficulty; 
+            })
+            this.questions=newVar7;
+        }
+    }    
+
+
+    // 8. averageDifficulty()    
+    averageDifficulty(){
+        const sumDifficulty = this.questions.reduce((accummulative, each_question)=>{
+            const valueDifficulty = each_question.difficulty;
+            return accummulative + valueDifficulty;
+            },0)
+        const howManyQuesitons = this.questions.length;
+        return sumDifficulty/howManyQuesitons;
+    }
+
+
+}