我目前正在嘗試為老師構(gòu)建一個測驗?zāi)０澹怨W(xué)生回答問題。我有一個 javascript 函數(shù)來顯示所需數(shù)量的問題，一個 html div 包含所有必要的輸入框，以及一個 javascript 函數(shù)來切換此 div。我的問題是我不知道如何將它們放在一起。這是我到目前為止所擁有的，我不知道為什么它不起作用。var wrapper = document.getElementById("myHTMLWrapper");var number = prompt("Enter the number of questions");var myHTML = '';for (var i = 0; i < number; i++) {  myHTML += '<span class="test">Question ' + (i + 1) +  '</span><br/><br/>'  <input type="button" value="Show DIV" id="bt" onclick="toggle(cont)">}wrapper.innerHTML = myHTMLfunction toggle(cont) {      var cont = document.getElementById('cont');      if (cont.style.display == 'block') {          cont.style.display = 'none';          document.getElementById(ele.id).value = 'Show DIV';      }      else {          cont.style.display = 'block';          document.getElementById(ele.id).value = 'Hide DIV';      }  };<form id='namennumber' action="includes/dbquestions.php" method="post">  <label for="quizname"><b>Quiz name</b></label>  <input name="quizname" type="text" placeholder="Enter quizname" required>  <div id="myHTMLWrapper">  </div></form><div style="border:solid 1px #ddd; padding:10px; display:none;" id="cont">  <div id="questionform" class="modal">    <label for="question"><b>Enter a question</b></label>    <input name="question" type="text" placeholder="Enter a question" value="question" required>    <br>    <label for="answer1">Possible answer A</label>    <input type="text" name="answer1" placeholder="Enter a possible answer" value="answer1" required>    <br>    <label for="answer2">Possible answer B</label>    <input type="text" name="answer2" placeholder="Enter a possible answer" value="answer2" required>    <br>    <label for="answer3">Possible answer C</label>    <input type="text" name="answer3" placeholder="Enter a possible answer" value="answer3" required>    <br>    <label for="answer4">Possible answer D</label>    <input type="text" name="answer4" placeholder="Enter a possible answer" value="answer4" required>    <br>  </div></div>