ironhack-labs · abussafilx · Jan 20, 2025 · Jan 20, 2025 · Jan 21, 2025 · Jan 22, 2025
diff --git a/index.html b/index.html
@@ -6,7 +6,7 @@
     <link rel="stylesheet" href="styles/style.css" />
   </head>
   <body>
-    <div class="container">
+    <div class="container"> 
       <header>
         <h1>JavaScript Quiz</h1>
       </header>
@@ -22,6 +22,8 @@ <h1>JavaScript Quiz</h1>
         <div class="content">
           <div id="question"></div>
           <ul id="choices"></ul>
+
+
         </div>
         <div id="timeRemaining">Remaining Time: <span>00:00</span></div>
         <button id="nextButton" class="button-primary">Answer</button>
@@ -39,7 +41,7 @@ <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>
 

diff --git a/src/index.js b/src/index.js
@@ -4,12 +4,13 @@ document.addEventListener("DOMContentLoaded", () => {
   const quizView = document.querySelector("#quizView");
   const endView = document.querySelector("#endView");
 
-  // Quiz view elements
+  // Quiz view elements 
   const progressBar = document.querySelector("#progressBar");
   const questionCount = document.querySelector("#questionCount");
   const questionContainer = document.querySelector("#question");
   const choiceContainer = document.querySelector("#choices");
   const nextButton = document.querySelector("#nextButton");
+  const restartButton = document.querySelector("#restartButton")
 
   // End view elements
   const resultContainer = document.querySelector("#result");
@@ -23,7 +24,7 @@ document.addEventListener("DOMContentLoaded", () => {
 
 
   /************  QUIZ DATA  ************/
-  
+
   // Array with the quiz questions
   const questions = [
     new Question("What is 2 + 2?", ["3", "4", "5", "6"], "4", 1),
@@ -36,7 +37,7 @@ document.addEventListener("DOMContentLoaded", () => {
 
 
   /************  QUIZ INSTANCE  ************/
-  
+
   // Create a new Quiz instance object
   const quiz = new Quiz(questions, quizDuration, quizDuration);
   // Shuffle the quiz questions
@@ -53,18 +54,43 @@ document.addEventListener("DOMContentLoaded", () => {
   const timeRemainingContainer = document.getElementById("timeRemaining");
   timeRemainingContainer.innerText = `${minutes}:${seconds}`;
 
+
   // Show first question
   showQuestion();
 
 
   /************  TIMER  ************/
 
-  let timer;
+  let timer = quiz.timeRemaining;
+
+  function updateDisplay() {
+    const minutes = Math.floor(timer / 60).toString().padStart(2, "0");
+    const seconds = (timer % 60).toString().padStart(2, "0");
+    const timeRemainingContainer = document.getElementById("timeRemaining");
+    timeRemainingContainer.innerText = `${minutes}:${seconds}`;
+  }
+
+  function gameTimer() {
+    let intervalId = setInterval(() => {
+      timer--;
+      updateDisplay();
+
+      if (timer < 0) {
+        clearInterval(intervalId);
+        showResults();
+
+      }
+    }, 1000)
+  }
+
+
+  gameTimer();
 
 
   /************  EVENT LISTENERS  ************/
 
   nextButton.addEventListener("click", nextButtonHandler);
+  restartButton.addEventListener("click", restartButtonHandler);
 
 
 
@@ -91,68 +117,99 @@ 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 = ((questions.indexOf(question) + 1) / questions.length * 100) + `%`; // This value is hardcoded as a placeholder
 
 
 
     // 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
+
+    questionCount.innerText = `Question ${questions.indexOf(question) + 1} of ${questions.length}`; //  This value is hardcoded as a placeholder
+
 
 
-
     // 4. Create and display new radio input element with a label for each choice.
     // Loop through the current question `choices`.
-      // For each choice create a new radio input with a label, and append it to the choice container.
-      // Each choice should be displayed as a radio input element with a label:
-      /* 
-          <input type="radio" name="choice" value="CHOICE TEXT HERE">
-          <label>CHOICE TEXT HERE</label>
-        <br>
-      */
-      // Hint 1: You can use the `document.createElement()` method to create a new element.
-      // Hint 2: You can use the `element.type`, `element.name`, and `element.value` properties to set the type, name, and value of an element.
-      // 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.
+    // For each choice create a new radio input with a label, and append it to the choice container.
+    // Each choice should be displayed as a radio input element with a label:
+    /* 
+        <input type="radio" name="choice" value="CHOICE TEXT HERE">
+        <label>CHOICE TEXT HERE</label>
+      <br>
+    */
+    // Hint 1: You can use the `document.createElement()` method to create a new element.
+    // Hint 2: You can use the `element.type`, `element.name`, and `element.value` properties to set the type, name, and value of an element.
+    // 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.
+    question.choices.forEach(currentQuestion => {
+      const newRadio = document.createElement("input");
+      const newRadioLabel = document.createElement("label")
+      newRadio.setAttribute("type", "radio")
+      newRadio.setAttribute("name", "choice")
+      newRadio.setAttribute("value", currentQuestion)
+      newRadioLabel.innerText = currentQuestion
+      choiceContainer.appendChild(newRadio);
+      choiceContainer.appendChild(newRadioLabel);
+      choiceContainer.appendChild(document.createElement("br"));
+    });
+
 
   }
 
 
-
-  function nextButtonHandler () {
-    let selectedAnswer; // A variable to store the selected answer value
+
+  function nextButtonHandler() {
+    const allChoices = document.querySelectorAll("input[name='choice']");
+
+    let selectedAnswer = null;
+
+    allChoices.forEach(function (choice) {
+      if (choice.checked) {
+        selectedAnswer = choice.value;
+      }
+    });
+
+
+    if (selectedAnswer) {
+      quiz.checkAnswer(selectedAnswer);
+      quiz.moveToNextQuestion();
+      showQuestion();
+    }
 
 
 
     // YOUR CODE HERE:
+
+
+
     //
     // 1. Get all the choice elements. You can use the `document.querySelectorAll()` method.
 
 
     // 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.
+    // 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.
+
 
-
     // 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()`.
-  }  
+    // 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()`.
+  }
 
 
 
@@ -166,9 +223,13 @@ document.addEventListener("DOMContentLoaded", () => {
 
     // 2. Show the end view (div#endView)
     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 ${questions.length} correct answers!`; // This value is hardcoded as a placeholder
   }
-
-});
+
+});
+
+function restartButtonHandler() {
+  location.reload()
+}
diff --git a/src/question.js b/src/question.js
@@ -1,7 +1,18 @@
 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() {
+        for (let i = this.choices.length - 1; i > 0; i--) {
+            const randomIndex = Math.floor(Math.random() * (i + 1));
+            [this.choices[i], this.choices[randomIndex]] = [this.choices[randomIndex], this.choices[i]];
+        }
+    }
 }
diff --git a/src/quiz.js b/src/quiz.js
@@ -1,15 +1,60 @@
 class Quiz {
-    // YOUR CODE HERE:
-    //
-    // 1. constructor (questions, timeLimit, timeRemaining)
 
-    // 2. getQuestion()
 
-    // 3. moveToNextQuestion()
+    constructor (questions, timeLimit, timeRemaining){
+      this.questions = questions; 
+      this.timeLimit = timeLimit;
+      this.timeRemaining = timeRemaining;
+      this.correctAnswers = 0;
+      this.currentQuestionIndex = 0;
+    };
 
-    // 4. shuffleQuestions()
+    getQuestion(){
+
+    return this.questions[this.currentQuestionIndex];
+
+    };
+
+    moveToNextQuestion(){
+        this.currentQuestionIndex++;
+    };
+
+
+     shuffleQuestions(){
+
+        for (let i = this.questions.length - 1; i > 0; i--) {
+            const randomIndex = Math.floor(Math.random() * (i + 1));
+            [this.questions[i], this.questions[randomIndex]] = [this.questions[randomIndex], this.questions[i]];
+        }
+
+     };
+
+    checkAnswer(answer){
+     if(this.questions[this.currentQuestionIndex].answer === answer){
+     this.correctAnswers++;
+     }
+    };
+
+   hasEnded(){
+
+   if(this.currentQuestionIndex < this.questions.length){
+    return false;
+
+   }else if(this.currentQuestionIndex === this.questions.length){
+      return true;
+   }
+    };
+
+    filterQuestionsByDifficulty(difficulty) {
+       if (difficulty < 1 || difficulty > 3 || typeof difficulty != "number") {return};
+        this.questions = this.questions.filter(question => question.difficulty === difficulty);
+
+    };
+
+    averageDifficulty() {
+        return this.questions.reduce((acc , curr)=> acc + curr.difficulty ,0)/ this.questions.length;
+    }
+
+}
 
-    // 5. checkAnswer(answer)
 
-    // 6. hasEnded()
-}