我有类似的代码。除了我的 JS 文件是外部的这一事实。函数 myFunction() 在该文件的开头被调用，如下所示：document.addEventListener('DOMContentLoaded', function () {
myFunction()
})但是，它不起作用 - 当单击第一段中的“此处”一词时，它没有显示第二段中的文本。我想也许我应该以其他方式调用该函数。任何给定的想法都会非常有帮助。谢谢。PS 此外，单击时，窗口应滚动到新打开的段落。function myFunction() { var x = document.getElementById("myCollapsible2") if (x.style.display === "block") { x.style.display = "none"; } else { x.style.display = "block"; }}p{ background: #eee; border: 1px solid #ccc; margin: 20px 0; padding: 30px;}.bs-example{ margin: 20px;}.link-color {color: red;}<html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js">.</script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script> </head> <body> <div class="bs-example"> <input type="button" class="btn btn-primary" data-toggle="collapse" data-target="#myCollapsible" value="Toggle Button"> <div id="myCollapsible" class="collapse"><p>This is a simple example of expanding and collapsing individual element via data attribute. <br>Click on the <b>Toggle Button</b> button to see the effect. If you click <a onclick="myFunction()" class="link-color" href="#">here</a>, you should see the other paragraph. </p></div> <div id="myCollapsible2" class="collapse"><p>This is a simple example</p></div> </div> </body></html>
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