diff --git a/index.html b/index.html index 534cd886..a5fee0b6 100644 --- a/index.html +++ b/index.html @@ -39,7 +39,7 @@

JavaScript Quiz

- + diff --git a/src/index.js b/src/index.js index 03737ba3..9c275db2 100644 --- a/src/index.js +++ b/src/index.js @@ -13,7 +13,7 @@ document.addEventListener("DOMContentLoaded", () => { // End view elements const resultContainer = document.querySelector("#result"); - + const resetButton = document.querySelector("#restartButton"); /************ SET VISIBILITY OF VIEWS ************/ @@ -23,7 +23,7 @@ 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 +36,7 @@ document.addEventListener("DOMContentLoaded", () => { /************ QUIZ INSTANCE ************/ - + // Create a new Quiz instance object const quiz = new Quiz(questions, quizDuration, quizDuration); // Shuffle the quiz questions @@ -45,27 +45,49 @@ document.addEventListener("DOMContentLoaded", () => { /************ SHOW INITIAL CONTENT ************/ - // 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}`; + + quizView.style.position = "relative"; + timeRemainingContainer.style.position = "absolute"; + timeRemainingContainer.style.top = "30px"; + timeRemainingContainer.style.left = "500px"; + + const timeRemainingData = () => { + // 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"); + + timeRemainingContainer.innerText = `${minutes}:${seconds}`; + }; // Show first question showQuestion(); /************ TIMER ************/ + function updateCountdown() { + if (quiz.timeRemaining > 0) { + quiz.timeRemaining--; + + timeRemainingData(); - let timer; + } else { + clearInterval(timer); + + showResults(); + } + } + // Call the function every second + let timer = setInterval(updateCountdown, 1000); /************ EVENT LISTENERS ************/ nextButton.addEventListener("click", nextButtonHandler); - + resetButton.addEventListener("click", resetQuiz); /************ FUNCTIONS ************/ @@ -91,84 +113,140 @@ 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 + /* Si lo hiciese iterando directamente sobre el array questions, la pregunta y las respuestas no se corresponderían*/ + /* questions.forEach(question => { */ + 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 = `${(quiz.currentQuestionIndex) * 100 / (quiz.questions.length)}%`; // 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 ${quiz.currentQuestionIndex + 1} of ${quiz.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: - /* - - -
- */ - // 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: + + /* quiz.questions[quiz.currentQuestionIndex] Sería otra opción si no pusiera 'question', haciendo referencia a la variable que llama al método quiz.getQuestion()*/ + question.choices.forEach(choice => { + const newChoice = document.createElement("input"); + newChoice.type = "radio"; + newChoice.name = "choice"; + newChoice.value = choice; + choiceContainer.appendChild(newChoice); + + const newLabel = document.createElement("label"); + newLabel.innerText = choice; + choiceContainer.appendChild(newLabel); + + const breakTag = document.createElement("br"); + choiceContainer.appendChild(breakTag); + }); + /* + + +
+ */ + + // 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. } - - function nextButtonHandler () { + function nextButtonHandler() { let selectedAnswer; // A variable to store the selected answer value - - // YOUR CODE HERE: // // 1. Get all the choice elements. You can use the `document.querySelectorAll()` method. - + const choices = document.querySelectorAll("#choices input"); + /* console.log(choices); */ // 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. - - - // 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()`. - } + // 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. + [...choices].forEach(currChoice => { + if (!currChoice.checked) return; + if (currChoice.checked) selectedAnswer = currChoice.value; + }); + /* console.log(selectedAnswer); */ + // 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() { + //clear the timer interval when the quiz ends + clearInterval(timer); + // YOUR CODE HERE: // // 1. Hide the quiz view (div#quizView) quizView.style.display = "none"; + // 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 ${quiz.questions.length} correct answers!`; // This value is hardcoded as a placeholder + } + + function resetQuiz() { + // 1. Hide the end view (div#endView) + endView.style.display = "none"; + + // 2. Show the quiz view (div#quizView) + quizView.style.display = "block"; + + // 3. Reset the currentQuestionIndex to 0 + quiz.currentQuestionIndex = 0; + + // 3. Reset the correctAnswers to 0 + quiz.correctAnswers = 0; + + // 3. Shuffle the questions + quiz.shuffleQuestions(); + + // 3. Show the first question + showQuestion(); + + // 4. reset the timeRemaining + quiz.timeRemaining = quizDuration; + + timeRemainingData(); + + timer = setInterval(updateCountdown, 1000); } - -}); \ No newline at end of file +}); + + + + diff --git a/src/question.js b/src/question.js index 68f6631a..e9e1142d 100644 --- a/src/question.js +++ b/src/question.js @@ -1,7 +1,13 @@ 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() { + this.choices.sort(() => Math.random() - 0.5); + } } \ No newline at end of file diff --git a/src/quiz.js b/src/quiz.js index d94cfd14..4a306fa4 100644 --- a/src/quiz.js +++ b/src/quiz.js @@ -1,15 +1,57 @@ 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() - - // 3. moveToNextQuestion() + getQuestion() { + return this.questions[this.currentQuestionIndex]; + } - // 4. shuffleQuestions() + moveToNextQuestion() { + this.currentQuestionIndex++; + } - // 5. checkAnswer(answer) + shuffleQuestions() { + this.questions.sort(() => Math.random() - 0.5); + } - // 6. hasEnded() + + checkAnswer(answer) { + /* quiz.questions[quiz.currentQuestionIndex] */ + if (!answer || this.currentQuestionIndex >= this.questions.length) { + return; + } + if (answer === this.getQuestion().answer) { + this.correctAnswers++; + } + } + + hasEnded() { + if (this.currentQuestionIndex < this.questions.length) { + return false; + } else { + return true; + }; + } + + filterQuestionsByDifficulty(difficulty) { + if (difficulty > 0 && difficulty < 4) { + const filteredQuestions = this.questions.filter(question => question.difficulty === difficulty); + this.questions = filteredQuestions; + } + } + + averageDifficulty() { + const sumDifficulties = this.questions.reduce( + (accumulator, currentValue) => accumulator + currentValue.difficulty, + 0, + ); + const avgDifficulty = sumDifficulties / this.questions.length; + return avgDifficulty; + } } \ No newline at end of file