JSFiddle - React, Tailwind, and code Playground

by kekeb303

HTML

<div id="quiz"></div>
<button id="submit">Submit Quiz</button>
<div id="results"></div>

CSS

body{
    font-size: 20px;
    font-family: sans-serif;
    color: #333;
}
.question{
    font-weight: 600;
}
.answers {
  margin-bottom: 20px;
}
.answers label{
  display: block;
}
#submit{
    font-family: sans-serif;
    font-size: 20px;
    background-color: #279;
    color: #fff;
    border: 0px;
    border-radius: 3px;
    padding: 20px;
    cursor: pointer;
    margin-bottom: 20px;
}
#submit:hover{
    background-color: #38a;
}

JavaScript

Challenge(function() {
  function buildQuiz() {
    // we'll need a place to store the HTML output
    const output = [];

    // for each question...
    myQuestions.forEach((currentQuestion, questionNumber) => {
      // we'll want to store the list of answer choices
      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="question"> ${currentQuestion.question} </div>
        <div class="answers"> ${answers.join("")} </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 = "lightgreen";
      } else {
        // if answer is wrong or blank
        // color the answers red
        answerContainers[questionNumber].style.color = "red";
      }
    });

   ...