georgesb · December 26, 2023 23:05
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <html lang="en" >
 <head>
  <meta charset="UTF-8">
  <title>Quiz</title>
 <script type="text/javascript">


    const myQuestions = [
  {
    "question": "Question 1",
    "answers": {
      "a": "answer 1",
      "b": "answer 2",
      "c": "answer 3",
      "d": "answer 4"
    },
    "correctAnswer": "b"
  },
  {
    "question": "Question 2",
    "answers": {
      "a": "answer 1",
      "b": "answer 2",
      "c": "answer 3",
      "d": "answer 4"
    },
    "correctAnswer": "a"
  }
 ]



    </script>
  <style type="text/css">
 @import url(https://fonts.googleapis.com/css?family=Work+Sans:300,600);

 body{
  font-size: 20px;
  font-family: 'Verdana', sans-serif;
  color: #333;
  font-weight: 300;
  text-align: center;
  background-color: #f8f6f0;
 }
 h1{
  font-weight: 300;
  margin: 0px;
  padding: 10px;
  font-size: 20px;
  background-color: #444;
  color: #fff;
 }
 .question{
  font-size: 30px;
  margin-bottom: 10px;
 }
 .answers {
  margin-bottom: 20px;
  text-align: left;
  display: inline-block;
 }
 .answers label{
  display: block;
  margin-bottom: 10px;
 }
 button{
  font-family: 'Work Sans', sans-serif;
  font-size: 22px;
  background-color: #279;
  color: #fff;
  border: 0px;
  border-radius: 3px;
  padding: 20px;
  cursor: pointer;
  margin-bottom: 20px;
 }
 button:hover{
  background-color: #38a;
 }





 .slide{
  position: absolute;
  left: 0px;
  top: 0px;
  width: 100%;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.5s;
 }
 .active-slide{
  opacity: 1;
  z-index: 2;
 }
 .quiz-container{
  position: relative;
  height: 200px;
  margin-top: 40px;
 }
 </style>

 </head>
 <body>

 <h1>Quiz</h1>
 <div class="quiz-container">
  <div id="quiz"></div>
 </div>
 <button id="previous">Previous Question</button>
 <button id="next">Next Question</button>
 <button id="submit">Submit Quiz</button>
 <div id="results"></div>
 <script type="text/javascript">

    (function(){
  // Functions

  function buildQuiz(){
    // variable to store the HTML output
    const output = [];

    // for each question...
    myQuestions.forEach(
      (currentQuestion, questionNumber) => {

        // variable to store the list of possible answers
        const answers = [];

        // and for each available answer...
        for(letter in currentQuestion.answers){

          // ...add an HTML radio button
          answers.push(
            `<label>
              <input type="radio" name="question${questionNumber}" value="${letter}">
              ${letter} :
              ${currentQuestion.answers[letter]}
            </label>`
          );
        }

        // add this question and its answers to the output
        output.push(
          `<div class="slide">
            <div class="question"> ${currentQuestion.question} </div>
            <div class="answers"> ${answers.join("")} </div>
          </div>`
        );
      }
    );

    // finally combine our output list into one string of HTML and put it on the page
    quizContainer.innerHTML = output.join('');
  }

  function showResults(){

    // gather answer containers from our quiz
    const answerContainers = quizContainer.querySelectorAll('.answers');

    // keep track of user's answers
    let numCorrect = 0;

    // for each question...
    myQuestions.forEach( (currentQuestion, questionNumber) => {

      // find selected answer
      const answerContainer = answerContainers[questionNumber];
      const selector = `input[name=question${questionNumber}]:checked`;
      const userAnswer = (answerContainer.querySelector(selector) || {}).value;

      // if answer is correct
      if(userAnswer === currentQuestion.correctAnswer){
        // add to the number of correct answers
        numCorrect++;

        // color the answers green
        answerContainers[questionNumber].style.color = 'green';


      }
      // if answer is wrong or blank
      else{
        // color the answers red
        answerContainers[questionNumber].style.color = 'red';
      }
    });

    // show number of correct answers out of total
    resultsContainer.innerHTML = `${numCorrect} out of ${myQuestions.length}`;
  }

  function showSlide(n) {
    slides[currentSlide].classList.remove('active-slide');
    slides[n].classList.add('active-slide');
    currentSlide = n;
    if(currentSlide === 0){
      previousButton.style.display = 'none';
    }
    else{
      previousButton.style.display = 'inline-block';
    }
    if(currentSlide === slides.length-1){
      nextButton.style.display = 'none';
      submitButton.style.display = 'inline-block';
    }
    else{
      nextButton.style.display = 'inline-block';
      submitButton.style.display = 'none';
    }
  }

  function showNextSlide() {
    showSlide(currentSlide + 1);
  }

  function showPreviousSlide() {
    showSlide(currentSlide - 1);
  }

  // Variables
  const quizContainer = document.getElementById('quiz');
  const resultsContainer = document.getElementById('results');
  const submitButton = document.getElementById('submit');




  // Kick things off
  buildQuiz();

  // Pagination
  const previousButton = document.getElementById("previous");
  const nextButton = document.getElementById("next");
  const slides = document.querySelectorAll(".slide");
  let currentSlide = 0;

  // Show the first slide
  showSlide(currentSlide);

  // Event listeners

  submitButton.addEventListener('click', showResults);
  previousButton.addEventListener("click", showPreviousSlide);
  nextButton.addEventListener("click", showNextSlide);
 })();
  </script>

 <!--

 The MIT License (MIT)

 Copyright (c) 2023 SitePoint (https://codepen.io/SitePoint/pen/GmPjjL)
 Fork of an original work Simple JavaScript Quiz With Pagination (https://codepen.io/SitePoint/pen/GmPjjL)

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in all
 copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.

 -->

 </body>

 </html>
	<!DOCTYPE html>
	<html lang="en" >
	<head>
	<meta charset="UTF-8">
	<title>Quiz</title>
	<script type="text/javascript">


	const myQuestions = [
	{
	"question": "Question 1",
	"answers": {
	"a": "answer 1",
	"b": "answer 2",
	"c": "answer 3",
	"d": "answer 4"
	},
	"correctAnswer": "b"
	},
	{
	"question": "Question 2",
	"answers": {
	"a": "answer 1",
	"b": "answer 2",
	"c": "answer 3",
	"d": "answer 4"
	},
	"correctAnswer": "a"
	}
	]



	</script>
	<style type="text/css">
	@import url(https://fonts.googleapis.com/css?family=Work+Sans:300,600);

	body{
	font-size: 20px;
	font-family: 'Verdana', sans-serif;
	color: #333;
	font-weight: 300;
	text-align: center;
	background-color: #f8f6f0;
	}
	h1{
	font-weight: 300;
	margin: 0px;
	padding: 10px;
	font-size: 20px;
	background-color: #444;
	color: #fff;
	}
	.question{
	font-size: 30px;
	margin-bottom: 10px;
	}
	.answers {
	margin-bottom: 20px;
	text-align: left;
	display: inline-block;
	}
	.answers label{
	display: block;
	margin-bottom: 10px;
	}
	button{
	font-family: 'Work Sans', sans-serif;
	font-size: 22px;
	background-color: #279;
	color: #fff;
	border: 0px;
	border-radius: 3px;
	padding: 20px;
	cursor: pointer;
	margin-bottom: 20px;
	}
	button:hover{
	background-color: #38a;
	}





	.slide{
	position: absolute;
	left: 0px;
	top: 0px;
	width: 100%;
	z-index: 1;
	opacity: 0;
	transition: opacity 0.5s;
	}
	.active-slide{
	opacity: 1;
	z-index: 2;
	}
	.quiz-container{
	position: relative;
	height: 200px;
	margin-top: 40px;
	}
	</style>

	</head>
	<body>

	<h1>Quiz</h1>
	<div class="quiz-container">
	<div id="quiz"></div>
	</div>
	<button id="previous">Previous Question</button>
	<button id="next">Next Question</button>
	<button id="submit">Submit Quiz</button>
	<div id="results"></div>
	<script type="text/javascript">

	(function(){
	// Functions

	function buildQuiz(){
	// variable to store the HTML output
	const output = [];

	// for each question...
	myQuestions.forEach(
	(currentQuestion, questionNumber) => {

	// variable to store the list of possible answers
	const answers = [];

	// and for each available answer...
	for(letter in currentQuestion.answers){

	// ...add an HTML radio button
	answers.push(
	`<label>
	<input type="radio" name="question${questionNumber}" value="${letter}">
	${letter} :
	${currentQuestion.answers[letter]}
	</label>`
	);
	}

	// add this question and its answers to the output
	output.push(
	`<div class="slide">
	<div class="question"> ${currentQuestion.question} </div>
	<div class="answers"> ${answers.join("")} </div>
	</div>`
	);
	}
	);

	// finally combine our output list into one string of HTML and put it on the page
	quizContainer.innerHTML = output.join('');
	}

	function showResults(){

	// gather answer containers from our quiz
	const answerContainers = quizContainer.querySelectorAll('.answers');

	// keep track of user's answers
	let numCorrect = 0;

	// for each question...
	myQuestions.forEach( (currentQuestion, questionNumber) => {

	// find selected answer
	const answerContainer = answerContainers[questionNumber];
	const selector = `input[name=question${questionNumber}]:checked`;
	const userAnswer = (answerContainer.querySelector(selector) \|\| {}).value;

	// if answer is correct
	if(userAnswer === currentQuestion.correctAnswer){
	// add to the number of correct answers
	numCorrect++;

	// color the answers green
	answerContainers[questionNumber].style.color = 'green';


	}
	// if answer is wrong or blank
	else{
	// color the answers red
	answerContainers[questionNumber].style.color = 'red';
	}
	});

	// show number of correct answers out of total
	resultsContainer.innerHTML = `${numCorrect} out of ${myQuestions.length}`;
	}

	function showSlide(n) {
	slides[currentSlide].classList.remove('active-slide');
	slides[n].classList.add('active-slide');
	currentSlide = n;
	if(currentSlide === 0){
	previousButton.style.display = 'none';
	}
	else{
	previousButton.style.display = 'inline-block';
	}
	if(currentSlide === slides.length-1){
	nextButton.style.display = 'none';
	submitButton.style.display = 'inline-block';
	}
	else{
	nextButton.style.display = 'inline-block';
	submitButton.style.display = 'none';
	}
	}

	function showNextSlide() {
	showSlide(currentSlide + 1);
	}

	function showPreviousSlide() {
	showSlide(currentSlide - 1);
	}

	// Variables
	const quizContainer = document.getElementById('quiz');
	const resultsContainer = document.getElementById('results');
	const submitButton = document.getElementById('submit');




	// Kick things off
	buildQuiz();

	// Pagination
	const previousButton = document.getElementById("previous");
	const nextButton = document.getElementById("next");
	const slides = document.querySelectorAll(".slide");
	let currentSlide = 0;

	// Show the first slide
	showSlide(currentSlide);

	// Event listeners

	submitButton.addEventListener('click', showResults);
	previousButton.addEventListener("click", showPreviousSlide);
	nextButton.addEventListener("click", showNextSlide);
	})();
	</script>

	<!--

	The MIT License (MIT)

	Copyright (c) 2023 SitePoint (https://codepen.io/SitePoint/pen/GmPjjL)
	Fork of an original work Simple JavaScript Quiz With Pagination (https://codepen.io/SitePoint/pen/GmPjjL)

	Permission is hereby granted, free of charge, to any person obtaining a copy
	of this software and associated documentation files (the "Software"), to deal
	in the Software without restriction, including without limitation the rights
	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	copies of the Software, and to permit persons to whom the Software is
	furnished to do so, subject to the following conditions:

	The above copyright notice and this permission notice shall be included in all
	copies or substantial portions of the Software.

	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	SOFTWARE.

	-->

	</body>

	</html>