javascript - 如何创建高级 html 测验-6ren

javascript - 如何创建高级 html 测验

转载作者：行者123 更新时间：2023-12-02 14:06:41

我已经准备这个测验好几天了。我已经设法创建一个最后包含解决方案的测验，但我不希望这样。我希望解决方案出现在用户给出的每个错误答案的末尾，如果用户是正确的，则不应显示答案，

<HEAD>

<style type="text/css">
<!--
.bgclr {background-color: white; color: black; font-weight: bold;}
-->
</style>

<script language="JavaScript">


// Insert scooter questions number of questions
var numQues = 5;

// Insert number of choices in each question
var numChoi = 3;

// Insert number of questions displayed in answer area
var answers = new Array(5);

// Insert answers to questions
answers[0] = "Keep to the left side of the road far as is safe.";
answers[1] = "Road which cross.";
answers[2] = "When a traffic officer order you to do so.";
answers[3] = "Traffic circle where right of way is applicable.";
answers[4] = "(i), (ii) and (iii)";
answers[5] = "A marked pedestrian crossing ahead.";


function getScore(form) {
  var score = 0;
  var currElt;
  var currSelection;
  for (i=0; i<numQues; i++) {
    currElt = i*numChoi;
    for (j=0; j<numChoi; j++) {
      currSelection = form.elements[currElt + j];
      if (currSelection.checked) {
        if (currSelection.value == answers[i]) {
          score++;
		break;
        }
      }
    }
  }
  score = Math.round(score/numQues*100);
  form.percentage.value = score + "%";
  var correctAnswers = "";
  for (i=1; i<=numQues; i++) {
    correctAnswers += i + ". " + answers[i-1] + "\r\n";
  }
  
  form.solutions.value = correctAnswers;
}
//  End -->
</script>

</HEAD>

<!-- STEP TWO: Copy this code into the BODY of your HTML document  -->

<BODY>

<h3>Scooter quiz by johnson</h3>

<form name="quiz">




1. Which rule is considered the most important RULE OF THE ROAD in South Africa?
<ul style="margin-top: 1pt">
  <li><input type="radio" name="q1" value="Always be courteous and considerate towards fellow road users.">Always be courteous and considerate towards fellow road users.</li>
  <li><input type="radio" name="q1" value="Do not exceed the speed limit.">Do not exceed the speed limit.</li>
  <li><input type="radio" name="q1" value="Keep to the left side of the road far as is safe.">Keep to the left side of the road far as is safe.</li>
  
   
</ul>




2. Sign L9 warns you about... ahead.

<ul style="margin-top: 1pt">
  <li><input type="radio" name="q2" value="Where you are also not allowed to park."> Where you are also not allowed to park..</li>
  <li><input type="radio" name="q2" value="A railway crossing">A railway crossing</li>
  <li><input type="radio" name="q2" value="Road which cross">Road which cross</li>
</ul>



3.Under what circumstances, if any, are you allowed to drive your motor motor vehicle on the right-hand side of a public road with traffic moving in both directions?
<ul style="margin-top: 1pt">
  <li><input type="radio" name="q3" value="When you switch the emergency lights of your vehicle on.">When you switch the emergency lights of your vehicle on.</li>
  <li><input type="radio" name="q3" value="When a traffic officer order you to do so.">When a traffic officer order you to do so.</li>
  <li><input type="radio" name="q3" value="Under no circumstance.">Under no circumstance.</li>
</ul>



4.Sign CC9 is found at ..
<ul style="margin-top: 1pt">
  <li><input type="radio" name="q4" value="Traffic circle where right of way is applicable.">Traffic circle where right of way is applicable.</li>
  <li><input type="radio" name="q4" value="Dangerous place where roadwork is being done.">Dangerous place where roadwork is being done.</li>
  <li><input type="radio" name="q4" value="Sharp curve to the right.">Sharp curve to the right.</li>
</ul>

5.You may not obtain a learner’s license if...

<ul style="margin-top: 1pt">
  <li><input type="radio" name="q5" value="A first-aid post."> A first-aid post.</li>
  <li><input type="radio" name="q5" value="A railway crossing">A railway crossing</li>
  <li><input type="radio" name="q5" value="Road which cross">Road which cross</li>
</ul>








<input type="button" value="Get score" onClick="getScore(this.form)">
<input type="reset" value="Clear answers">
<p> Score = <strong><input class="bgclr" type="text" size="5" name="percentage" disabled></strong><br><br>
Correct answers:<br>
<textarea class="bgclr" name="solutions" wrap="virtual" rows="10" cols="100" disabled>
</textarea>
</form>

最佳答案

在这里，我向您展示了如何针对第一组问题完成此操作。您可以从那里开始工作。

<HEAD>

<style type="text/css">
<!--
.bgclr {background-color: white; color: black; font-weight: bold;}
-->

	.hidden {
		display: none;
	}
	
	.visible {
		display: block;
	}
	
</style>

<script language="JavaScript">


// Insert scooter questions number of questions
var numQues = 5;

// Insert number of choices in each question
var numChoi = 3;

// Insert number of questions displayed in answer area
var answers = new Array(5);

// Insert answers to questions
answers[0] = "Keep to the left side of the road far as is safe.";
answers[1] = "Road which cross.";
answers[2] = "When a traffic officer order you to do so.";
answers[3] = "Traffic circle where right of way is applicable.";
answers[4] = "(i), (ii) and (iii)";
answers[5] = "A marked pedestrian crossing ahead.";


function getScore(form) {
  var score = 0;
  var currElt;
  var currSelection;
  for (i=0; i<numQues; i++) {
    currElt = i*numChoi;
    for (j=0; j<numChoi; j++) {
      currSelection = form.elements[currElt + j];
      if (currSelection.checked) {
        if (currSelection.value == answers[i]) {
          score++;
		break;
        }
      }
    }
  }
  score = Math.round(score/numQues*100);
  form.percentage.value = score + "%";
  var correctAnswers = "";
  for (i=1; i<=numQues; i++) {
    correctAnswers += i + ". " + answers[i-1] + "\r\n";
  }
  
  form.solutions.value = correctAnswers;
}

document.addEventListener('DOMContentLoaded', function() {
	var q1Inputs = document.querySelector('.q1-inputs');
	q1Inputs.addEventListener('change', function(event) {
		if (event.target.value !== 'Keep to the left side of the road far as is safe.') {
			q1Inputs.lastElementChild.classList.remove('hidden');
		} else {
			q1Inputs.lastElementChild.classList.add('hidden');
		}
	});
});

//  End -->
</script>

</HEAD>

<!-- STEP TWO: Copy this code into the BODY of your HTML document  -->

<BODY>

<h3>Scooter quiz by johnson</h3>

<form name="quiz">




1. Which rule is considered the most important RULE OF THE ROAD in South Africa?
<ul class="q1-inputs" style="margin-top: 1pt">
  <li><input type="radio" name="q1" value="Always be courteous and considerate towards fellow road users.">Always be courteous and considerate towards fellow road users.</li>
  <li><input type="radio" name="q1" value="Do not exceed the speed limit.">Do not exceed the speed limit.</li>
  <li><input type="radio" name="q1" value="Keep to the left side of the road far as is safe.">Keep to the left side of the road far as is safe.</li>
  <li class="hidden" style="color:red;">The correct answer is: Keep to the left side of the road far as is safe.</li>
  
   
</ul>




2. Sign L9 warns you about... ahead.

<ul style="margin-top: 1pt">
  <li><input type="radio" name="q2" value="Where you are also not allowed to park."> Where you are also not allowed to park..</li>
  <li><input type="radio" name="q2" value="A railway crossing">A railway crossing</li>
  <li><input type="radio" name="q2" value="Road which cross">Road which cross</li>
</ul>



3.Under what circumstances, if any, are you allowed to drive your motor motor vehicle on the right-hand side of a public road with traffic moving in both directions?
<ul style="margin-top: 1pt">
  <li><input type="radio" name="q3" value="When you switch the emergency lights of your vehicle on.">When you switch the emergency lights of your vehicle on.</li>
  <li><input type="radio" name="q3" value="When a traffic officer order you to do so.">When a traffic officer order you to do so.</li>
  <li><input type="radio" name="q3" value="Under no circumstance.">Under no circumstance.</li>
</ul>



4.Sign CC9 is found at ..
<ul style="margin-top: 1pt">
  <li><input type="radio" name="q4" value="Traffic circle where right of way is applicable.">Traffic circle where right of way is applicable.</li>
  <li><input type="radio" name="q4" value="Dangerous place where roadwork is being done.">Dangerous place where roadwork is being done.</li>
  <li><input type="radio" name="q4" value="Sharp curve to the right.">Sharp curve to the right.</li>
</ul>

5.You may not obtain a learner’s license if...

<ul style="margin-top: 1pt">
  <li><input type="radio" name="q5" value="A first-aid post."> A first-aid post.</li>
  <li><input type="radio" name="q5" value="A railway crossing">A railway crossing</li>
  <li><input type="radio" name="q5" value="Road which cross">Road which cross</li>
</ul>








<input type="button" value="Get score" onClick="getScore(this.form)">
<input type="reset" value="Clear answers">
<p> Score = <strong><input class="bgclr" type="text" size="5" name="percentage" disabled></strong><br><br>
Correct answers:<br>
<textarea class="bgclr" name="solutions" wrap="virtual" rows="10" cols="100" disabled>
</textarea>
</form>

更新:

<HEAD>

<style type="text/css">
<!--
.bgclr {background-color: white; color: black; font-weight: bold;}
-->

	.hidden {
		display: none;
	}
	
	.visible {
		display: block;
	}
	
</style>

<script language="JavaScript">


// Insert scooter questions number of questions
var numQues = 5;

// Insert number of choices in each question
var numChoi = 3;

// Insert number of questions displayed in answer area
var answers = new Array(5);

// Insert answers to questions
answers[0] = "Keep to the left side of the road far as is safe.";
answers[1] = "Road which cross.";
answers[2] = "When a traffic officer order you to do so.";
answers[3] = "Traffic circle where right of way is applicable.";
answers[4] = "(i), (ii) and (iii)";
answers[5] = "A marked pedestrian crossing ahead.";


function getScore(form) {
	showCorrectAnswers();

  var score = 0;
  var currElt;
  var currSelection;
  for (i=0; i<numQues; i++) {
    currElt = i*numChoi;
    for (j=0; j<numChoi; j++) {
      currSelection = form.elements[currElt + j];
      if (currSelection.checked) {
        if (currSelection.value == answers[i]) {
          score++;
		break;
        }
      }
    }
  }
  score = Math.round(score/numQues*100);
  form.percentage.value = score + "%";
  var correctAnswers = "";
  for (i=1; i<=numQues; i++) {
    correctAnswers += i + ". " + answers[i-1] + "\r\n";
  }
  
  form.solutions.value = correctAnswers;
}

function showCorrectAnswers() {
	var q1Inputs = document.querySelectorAll('.q1-inputs input');
	var correctAnswer = document.querySelector('.q1-inputs span');
	var correct = correctAnswer.textContent;
	q1Inputs.forEach(function(element) {
		if (element.checked) {
			if (element.value !== correct) {
				correctAnswer.classList.remove('hidden');
			} else {
				correctAnswer.classList.add('hidden');
			}
		}
	});
}

//  End -->
</script>

</HEAD>

<!-- STEP TWO: Copy this code into the BODY of your HTML document  -->

<BODY>

<h3>Scooter quiz by johnson</h3>

<form name="quiz">




1. Which rule is considered the most important RULE OF THE ROAD in South Africa?
<ul class="q1-inputs" style="margin-top: 1pt">
  <li><input type="radio" name="q1" value="Always be courteous and considerate towards fellow road users.">Always be courteous and considerate towards fellow road users.</li>
  <li><input type="radio" name="q1" value="Do not exceed the speed limit.">Do not exceed the speed limit.</li>
  <li><input type="radio" name="q1" value="Keep to the left side of the road far as is safe.">Keep to the left side of the road far as is safe.</li>
  <span class="hidden" style="color:red;">Keep to the left side of the road far as is safe.</span>
  
   
</ul>




2. Sign L9 warns you about... ahead.

<ul style="margin-top: 1pt">
  <li><input type="radio" name="q2" value="Where you are also not allowed to park."> Where you are also not allowed to park..</li>
  <li><input type="radio" name="q2" value="A railway crossing">A railway crossing</li>
  <li><input type="radio" name="q2" value="Road which cross">Road which cross</li>
</ul>



3.Under what circumstances, if any, are you allowed to drive your motor motor vehicle on the right-hand side of a public road with traffic moving in both directions?
<ul style="margin-top: 1pt">
  <li><input type="radio" name="q3" value="When you switch the emergency lights of your vehicle on.">When you switch the emergency lights of your vehicle on.</li>
  <li><input type="radio" name="q3" value="When a traffic officer order you to do so.">When a traffic officer order you to do so.</li>
  <li><input type="radio" name="q3" value="Under no circumstance.">Under no circumstance.</li>
</ul>



4.Sign CC9 is found at ..
<ul style="margin-top: 1pt">
  <li><input type="radio" name="q4" value="Traffic circle where right of way is applicable.">Traffic circle where right of way is applicable.</li>
  <li><input type="radio" name="q4" value="Dangerous place where roadwork is being done.">Dangerous place where roadwork is being done.</li>
  <li><input type="radio" name="q4" value="Sharp curve to the right.">Sharp curve to the right.</li>
</ul>

5.You may not obtain a learner’s license if...

<ul style="margin-top: 1pt">
  <li><input type="radio" name="q5" value="A first-aid post."> A first-aid post.</li>
  <li><input type="radio" name="q5" value="A railway crossing">A railway crossing</li>
  <li><input type="radio" name="q5" value="Road which cross">Road which cross</li>
</ul>








<input type="button" value="Get score" onClick="getScore(this.form)">
<input type="reset" value="Clear answers">
<p> Score = <strong><input class="bgclr" type="text" size="5" name="percentage" disabled></strong><br><br>
Correct answers:<br>
<textarea class="bgclr" name="solutions" wrap="virtual" rows="10" cols="100" disabled>
</textarea>
</form>

关于javascript - 如何创建高级 html 测验，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/39981628/

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javascript - 如何创建高级 html 测验