控制台日志未显示且html未更改
控制台日志未显示且html未更改
提问于 2019-03-15 05:43:55
好了伙计们我有个问题。由于某些原因，我的JavaScript文件没有记录用户在select标记中选择一个选项时选择"no“类的次数。我正在尝试这样做，这样当用户在下拉列表中选择no时，它会跟踪用户选择no的次数。你知道如何跟踪用户在javascript中没有Jquery的情况下选择no的次数吗？
<head>
<meta charset="utf-8" />
<meta name="quiz" content="myown quiz" />
<title>Quiz</title>
</head>
<body>
<script type="text/javascript" src="machine.js"></script>
<link rel="stylesheet" type="text/css" href="quizformatting.css">
<h1>Choose the major right for you</h1>
<pre>
<form>
Do you like enjoy programming?
<select>
<option class="choice">Select a value</option>
<option class="program">Yes</option>
<option class="no">No</option>
</select>
Do you enjoy 2d animation and 3d animation?
<select>
<option class="choice">Select a value</option>
<option class="art">Yes</option>
<option class="no">no</option>
</select>
Do you like music
<select>
<option class="choice">Select a value</option>
<option>Yes</option>
<option class="no">no</option>
</select>
What are your favorite pastimes?
<select>
<option class="choice">Select a value</option>
<option class="music">Listening to music</option>
<option class="program">making websites</option>
<option class="art">Drawing</option>
<option class="no">None of these</option>
</select>
Out of all the activities you like to do, which one do you enjoy the most?
<select>
<option class="choice">Select a value</option>
<option class="art">Painting and drawing</option>
<option class="music">Playing instruments</option>
<option class="art">Drawing</option>
<option class="no">None of these</option>
</select>
Would you be interested in making art or coding for video games?
<select>
<option class="choice">Select a value</option>
<option class="program">I would be interested in learning the programming languages used to create the scripting for games</option>
<option class="art">I would like to the models and the environment for modeling</option>
<option class="no">I'm not interested in either of these options</option>
</select>
Do you enjoy making websites or learning how to sing?
<select>
<option class="choice">Select a value</option>
<option class="music">Learning how to sing</option>
<option class="program">making websites for projects</option>
<option class="no">I'm not interested in any of this</option>
</select>
Do you enjoy listening to music more or making programming applications?
<select>
<option class="choice">Select a value</option>
<option class="music">I would like to listen to music</option>
<option class="program">Programming is my thing</option>
<option class="art">I'm more of a drawer</option>
<option class="no">I don't like any of these options</option>
</select>
Which skillset are you more interested in learning?
<select>
<option class="choice">Select a value</option>
<option class="music">Learning the notes of instruments</option>
<option class="program">Learning the language of javascript</option>
<option class="art">I like anime, so I would love to learn how to animate in anime style</option>
<option class="no">I don't want to do any of these options</option>
</select>
Please press the button to get your answer
<button type="button" onclick="Starting();">Click me</button>
</form>
</pre>
<p id="yos">Your answer here</p>
Here is my javascript code:
```javascriptfunction Starting() {var artchoices = document.querySelectorAll(".art:checked");var program = document.querySelectorAll(".program:checked");var choice = document.querySelectorAll(".choice");var no = document.querySelectorAll(".no:checked");var music = document.querySelectorAll(".music:checked");var x = document.getElementById("yos");var answer = true;for (var e = 0; e < choice.length; e++) { if (choice[e].selected == true) { answer = false; break; }}if (answer == false) { console.log("Make sure you checked all values");} else { if (no == 9) { console.log("Oh, so you don't want to become anything huh"); x.innerHTML = "HEY"; } else { if (program > artchoices) { console.log("Congrulations, you are an artist"); } }}window.onload = Starting;}
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/55172481
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