好，首先，我在Codepen上设定了时间表。这是工作链接：https://codepen.io/morganjaggers/pen/VwYmKra
请查看上面的链接以获取完整代码
html：
<section class="timeline">
<ul>
<li>
<div>
<time>1989</time> We began our family run business creating small travel packages for
independent travellers to visit areas within the UK.
</div>
</li>
<li>
<div>
<time>1997</time> We expanded out, connecting to other supliers to created packages outside
of Europe.
</div>
</li>
<li>
<div>
<time>2003</time>We won awards and became more established as a company.
</div>
</li>
<li>
<div>
<time>2010</time>We started searching for cheaper deals, focusing on those looking for a
budget holiday.
</div>
</li>
<li>
<div>
<time>2017</time>We become what we are now known today as TravelTipsForLess.
</div>
</li>
</ul>
</section>
但是，当我将每个文件精确地编码并粘贴到我的ATOM文档中时，它不起作用。它显示了时间轴和点，但是JS无法正常工作，HTML书写没有出现吗？
任何人都知道为什么它可以在Codepen中工作，但导出时却不能吗？
Codepen不需要您在其沙箱环境中使用<script>或<style>标签。
您需要在下面的这种格式下将javascript放在<script></script>内，并将CSS放在<style></style>内。
将文件另存为HTML文档，然后可以在浏览器中查看。
<!DOCTYPE html>
<head>
<title>Example</title>
<style>
// CSS HERE
</style>
</head>
<body>
// HTML HERE
<script>
// JAVASCRIPT HERE
</script>
</body>
</html>