Insert a clickable element within an HTML document

Question

Insert a clickable element within an HTML document

I have an idea for a questionnaire that includes questions and an interactive element at the end. At the completion of the questionnaire, there will be a button labeled "display answers" which users can click to reveal the correct responses.

For example, if I were to use this specific question:

<p class="question">1. What is the answer to this question?</p>        

<ul class="answers">            
<input type="radio" name="q1" value="a" id="q1a"><label for="q1a">Answer 1</label><br/>                   
<input type="radio" name="q1" value="b" id="q1b"><label for="q1b">Answer 2</label><br/>            
<input type="radio" name="q1" value="c" id="q1c"><label for="q1c">Answer 3</label><br/>            
<input type="radio" name="q1" value="d" id="q1d"><label for="q1d">Answer 4</label><br/>       
</ul>

I am curious about how to incorporate a feature where pressing a button on the page would indicate whether the selected answer is correct or not.

javascript html css

Answer 1

Answer №1

<p class="question">1. Can you solve this riddle?</p>        

<ul id="answers" class="answers">            
<input type="radio" name="q1" value="a" id="q1a"><label for="q1a">Solution A</label><br/>                   
<input type="radio" name="q1" value="b" id="q1b"><label for="q1b">Solution B</label><br/>            
<input type="radio" name="q1" value="c" id="q1c"><label for="q1c">Solution C</label><br/>            
<input type="radio" name="q1" value="d" id="q1d"><label for="q1d">Solution D</label><br/>
<input type="button" value="submit" onClick="showAnswer()" />       
</ul>

<span id="info"></span>

Next, incorporate the following script above that section of code:

<script>
    function showAnswer(){
        if(document.getElementById('q1a').checked){
            document.getElementById('info').innerHTML = "Impressive!";
        }else{
            document.getElementById('info').innerHTML = "Incorrect!";
        }
    }
</script>

I'm unable to assist with your quiz, so in this case Solution A is deemed correct.

Answer 2

<p class="question">1. Can you solve this riddle?</p>        

<ul id="answers" class="answers">            
<input type="radio" name="q1" value="a" id="q1a"><label for="q1a">Solution A</label><br/>                   
<input type="radio" name="q1" value="b" id="q1b"><label for="q1b">Solution B</label><br/>            
<input type="radio" name="q1" value="c" id="q1c"><label for="q1c">Solution C</label><br/>            
<input type="radio" name="q1" value="d" id="q1d"><label for="q1d">Solution D</label><br/>
<input type="button" value="submit" onClick="showAnswer()" />       
</ul>

<span id="info"></span>

Next, incorporate the following script above that section of code:

<script>
    function showAnswer(){
        if(document.getElementById('q1a').checked){
            document.getElementById('info').innerHTML = "Impressive!";
        }else{
            document.getElementById('info').innerHTML = "Incorrect!";
        }
    }
</script>

I'm unable to assist with your quiz, so in this case Solution A is deemed correct.

Answer 3

Answer №2

There are two .addEventListeners() that need to be set up:
- One on the container where all questions and answers are held (e.g. #QA1)
- The other on the button used to finish the quiz (e.g. #btn1)
When a user selects an answer, #QA1 listens for clicks on any radio button (e.g. .answers). It's more efficient to use one event listener for multiple elements than adding one to each individual radio button. By comparing the clicked element with the listening element, we can identify the id of the radio button. Refer to this article for more information.
Once the id of the clicked radio button is known (as described in the previous reference), it is added to an array (e.g. answers[]).
When the user finishes, they click the "DONE" button which triggers the click event of #btn1.
- A for loop is used to compare elements in the answer[] and key[] arrays. During each iteration, matching elements are compared.
- The results are displayed on #out1, an <output> element within an ordered list (<ol>).

Snippet

var qa = document.getElementById('QA1');
var btn1 = document.getElementById('btn1');
var answers = [];
var key = ['q1c', 'q2a', 'q3d'];

qa.addEventListener('click', function(event) {
  if (event.target != event.currentTarget) {
    var choice = event.target.id;
    answers.push(choice);
  }
  event.stopPropagation();
}, false);

btn1.addEventListener('click', function(event) {
  event.preventDefault();
  var qList = document.getElementsByClassName('question');
  var out1 = document.getElementById('out1');

  for (var i = 0; i < qList.length; i++) {
    if (answers[i] === key[i]) {
      out1.innerHTML += '<li>' + answers[i] + ' is correct</li>';
    } else {
      out1.innerHTML += '<li>' + answers[i] + ' is incorrect, the correct answer is ' + key[i] + '</li>';
    }
  }
}, false);

body {
  font: 400 16px/1.45'Verdana';
}
* {
  font: inherit;
}
.question {
  margin-bottom: 15px;
}
.answers {
  list-style: none;
}
.answers li {
  margin-left: -15px;
}
input[type="radio"] {
  position: relative;
  top: 2.25px;
}
#btn1 a {
  text-decoration: none;
}
#out1 {

<script src="http://gh-canon.github.io/stack-snippet-console/console.min.js"></script>

<ol id="QA1" class="QA">
  <li id="q1" class="question">What is the answer to this question?

    <ol class="answers">

      <li>a.
        <input type="radio" name="q1" value="a" id="q1a" />
        <label for="q1a">Answer</label>
      </li>

      <li>b.
        <input type="radio" name="q1" value="b" id="q1b" />
        <label for="q1b">Answer</label>
      </li>

      <li>c.
        <input type="radio" name="q1" value="c" id="q1c" />
        <label for="q1c">Answer</label>
      </li>

      <li>d.
        <input type="radio" name="q1" value="d" id="q1d" />
        <label for="q1d">Answer</label>
      </li>

    </ol>
    <!--answers-->

  </li>
  <!--question-->
  <li id="q2" class="question">What is the answer to this question?

    <ol class="answers">

      <li>a.
        <input type="radio" name="q2" value="a" id="q2a" />
        <label for="q2a">Answer</label>
      </li>

      <li>b.
        <input type="radio" name="q2" value="b" id="q2b" />
        <label for="q2b">Answer</label>
      </li>

      <li>c.
        <input type="radio" name="q2" value="c" id="q2c" />
        <label for="q2c">Answer</label>
      </li>

      <li>d.
        <input type="radio" name="q2" value="d" id="q2d" />
        <label for="q2d">Answer</label>
      </li>

    </ol>
    <!--answers-->

  </li>
  <!--question-->
  <li id="q3" class="question">What is the answer to this question?

    <ol class="answers">

      <li>a.
        <input type="radio" name="q3" value="a" id="q3a" />
        <label for="q3a">Answer</label>
      </li>

      <li>b.
        <input type="radio" name="q3" value="b" id="q3b" />
        <label for="q3b">Answer</label>
      </li>

      <li>c.
        <input type="radio" name="q3" value="c" id="q3c" />
        <label for="q3c">Answer</label>
      </li>

      <li>d.
        <input type="radio" name="q3" value="d" id="q3d" />
        <label for="q3d">Answer</label>
      </li>

    </ol>
    <!--answers-->

  </li>
  <!--question-->

</ol>
<!--QA-->
<button id="btn1"><a href="">DONE</a>
</button>
<ol>
  <output id="out1"></output>
</ol>

Answer 4

There are two .addEventListeners() that need to be set up:
- One on the container where all questions and answers are held (e.g. #QA1)
- The other on the button used to finish the quiz (e.g. #btn1)
When a user selects an answer, #QA1 listens for clicks on any radio button (e.g. .answers). It's more efficient to use one event listener for multiple elements than adding one to each individual radio button. By comparing the clicked element with the listening element, we can identify the id of the radio button. Refer to this article for more information.
Once the id of the clicked radio button is known (as described in the previous reference), it is added to an array (e.g. answers[]).
When the user finishes, they click the "DONE" button which triggers the click event of #btn1.
- A for loop is used to compare elements in the answer[] and key[] arrays. During each iteration, matching elements are compared.
- The results are displayed on #out1, an <output> element within an ordered list (<ol>).

Snippet

var qa = document.getElementById('QA1');
var btn1 = document.getElementById('btn1');
var answers = [];
var key = ['q1c', 'q2a', 'q3d'];

qa.addEventListener('click', function(event) {
  if (event.target != event.currentTarget) {
    var choice = event.target.id;
    answers.push(choice);
  }
  event.stopPropagation();
}, false);

btn1.addEventListener('click', function(event) {
  event.preventDefault();
  var qList = document.getElementsByClassName('question');
  var out1 = document.getElementById('out1');

  for (var i = 0; i < qList.length; i++) {
    if (answers[i] === key[i]) {
      out1.innerHTML += '<li>' + answers[i] + ' is correct</li>';
    } else {
      out1.innerHTML += '<li>' + answers[i] + ' is incorrect, the correct answer is ' + key[i] + '</li>';
    }
  }
}, false);

body {
  font: 400 16px/1.45'Verdana';
}
* {
  font: inherit;
}
.question {
  margin-bottom: 15px;
}
.answers {
  list-style: none;
}
.answers li {
  margin-left: -15px;
}
input[type="radio"] {
  position: relative;
  top: 2.25px;
}
#btn1 a {
  text-decoration: none;
}
#out1 {

<script src="http://gh-canon.github.io/stack-snippet-console/console.min.js"></script>

<ol id="QA1" class="QA">
  <li id="q1" class="question">What is the answer to this question?

    <ol class="answers">

      <li>a.
        <input type="radio" name="q1" value="a" id="q1a" />
        <label for="q1a">Answer</label>
      </li>

      <li>b.
        <input type="radio" name="q1" value="b" id="q1b" />
        <label for="q1b">Answer</label>
      </li>

      <li>c.
        <input type="radio" name="q1" value="c" id="q1c" />
        <label for="q1c">Answer</label>
      </li>

      <li>d.
        <input type="radio" name="q1" value="d" id="q1d" />
        <label for="q1d">Answer</label>
      </li>

    </ol>
    <!--answers-->

  </li>
  <!--question-->
  <li id="q2" class="question">What is the answer to this question?

    <ol class="answers">

      <li>a.
        <input type="radio" name="q2" value="a" id="q2a" />
        <label for="q2a">Answer</label>
      </li>

      <li>b.
        <input type="radio" name="q2" value="b" id="q2b" />
        <label for="q2b">Answer</label>
      </li>

      <li>c.
        <input type="radio" name="q2" value="c" id="q2c" />
        <label for="q2c">Answer</label>
      </li>

      <li>d.
        <input type="radio" name="q2" value="d" id="q2d" />
        <label for="q2d">Answer</label>
      </li>

    </ol>
    <!--answers-->

  </li>
  <!--question-->
  <li id="q3" class="question">What is the answer to this question?

    <ol class="answers">

      <li>a.
        <input type="radio" name="q3" value="a" id="q3a" />
        <label for="q3a">Answer</label>
      </li>

      <li>b.
        <input type="radio" name="q3" value="b" id="q3b" />
        <label for="q3b">Answer</label>
      </li>

      <li>c.
        <input type="radio" name="q3" value="c" id="q3c" />
        <label for="q3c">Answer</label>
      </li>

      <li>d.
        <input type="radio" name="q3" value="d" id="q3d" />
        <label for="q3d">Answer</label>
      </li>

    </ol>
    <!--answers-->

  </li>
  <!--question-->

</ol>
<!--QA-->
<button id="btn1"><a href="">DONE</a>
</button>
<ol>
  <output id="out1"></output>
</ol>

Answer 5

Answer №3

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>Questionnaire</title>

</head>
<body>
<p>1. What is the answer to this question?</p>     

  <ul onclick="man()">
<input type="radio" name="q1" value="a">Answer 1<br/>               <input type="radio" name="q1" value="b">Answer 2<br/>            
<input type="radio" name="q1" value="c">Answer 3<br/>            
<input type="radio" name="q1" value="d">Answer 4<br/>       
  </ul>
  <p id="m"></p>
<script>
  var man = function(){
    document.getElementById("m").innerHTML = 'The correct answer is: Answer 1';
  }
  </script>
</body>
</html>

In a straightforward manner, I have crafted the solution using CSS Document object model for those seeking simplicity. Additional insights can be found at HTML CSS DOM

Answer 6

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>Questionnaire</title>

</head>
<body>
<p>1. What is the answer to this question?</p>     

  <ul onclick="man()">
<input type="radio" name="q1" value="a">Answer 1<br/>               <input type="radio" name="q1" value="b">Answer 2<br/>            
<input type="radio" name="q1" value="c">Answer 3<br/>            
<input type="radio" name="q1" value="d">Answer 4<br/>       
  </ul>
  <p id="m"></p>
<script>
  var man = function(){
    document.getElementById("m").innerHTML = 'The correct answer is: Answer 1';
  }
  </script>
</body>
</html>

In a straightforward manner, I have crafted the solution using CSS Document object model for those seeking simplicity. Additional insights can be found at HTML CSS DOM

Insert a clickable element within an HTML document

Answer №1

Answer №2

Answer №3

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