为了了解工具提示在 Bootstrap 中的工作原理，我遵循了文档中的说明。但是当我尝试在此处重新创建他们的示例页面，特别是只有图标的侧边栏时，我无法使用我认为与他们的示例代码完全相同的代码来使用工具提示。我知道它需要 Popper.js 才能使工具提示在 Bootstrap 中工作。我将他们的示例代码从上面的页面复制/粘贴到我的 html 中，但仍然不起作用，那么我做错了什么？我的代码片段是：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="author" content="Mark Otto, Jacob Thornton, and Bootstrap contributors">
<meta name="generator" content="Hugo 0.111.3">
<title>Sidebars · Bootstrap v5.3</title>
<link rel="canonical" href="https://getbootstrap.com/docs/5.3/examples/sidebars/">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Tooltips</title>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-KK94CHFLLe+nY2dmCWGMq91rCGa5gtU4mk92HdvYe+M/SXH301p5ILy+dN9+nJOZ" crossorigin="anonymous">
<link rel="stylesheet" href="styles.css">
</head>
<body>
<svg xmlns="http://www.w3.org/2000/svg" style="display: none;">
<symbol id="bootstrap" viewBox="0 0 118 94">
<title>Bootstrap</title>
<path fill-rule="evenodd" clip-rule="evenodd" d="M24.509 0c-6.733 0-11.715 5.893-11.492 12.284.214 6.14-.064 14.092-2.066 20.577C8.943 39.365 5.547 43.485 0 44.014v5.972c5.547.529 8.943 4.649 10.951 11.153 2.002 6.485 2.28 14.437 2.066 20.577C12.794 88.106 17.776 94 24.51 94H93.5c6.733 0 11.714-5.893 11.491-12.284-.214-6.14.064-14.092 2.066-20.577 2.009-6.504 5.396-10.624 10.943-11.153v-5.972c-5.547-.529-8.934-4.649-10.943-11.153-2.002-6.484-2.28-14.437-2.066-20.577C105.214 5.894 100.233 0 93.5 0H24.508zM80 57.863C80 66.663 73.436 72 62.543 72H44a2 2 0 01-2-2V24a2 2 0 012-2h18.437c9.083 0 15.044 4.92 15.044 12.474 0 5.302-4.01 10.049-9.119 10.88v.277C75.317 46.394 80 51.21 80 57.863zM60.521 28.34H49.948v14.934h8.905c6.884 0 10.68-2.772 10.68-7.727 0-4.643-3.264-7.207-9.012-7.207zM49.948 49.2v16.458H60.91c7.167 0 10.964-2.876 10.964-8.281 0-5.406-3.903-8.178-11.425-8.178H49.948z"></path>
</symbol>
<symbol id="home" viewBox="0 0 16 16">
<path d="M8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4.5a.5.5 0 0 0 .5-.5v-4h2v4a.5.5 0 0 0 .5.5H14a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146zM2.5 14V7.707l5.5-5.5 5.5 5.5V14H10v-4a.5.5 0 0 0-.5-.5h-3a.5.5 0 0 0-.5.5v4H2.5z"/>
</symbol>
<symbol id="speedometer2" viewBox="0 0 16 16">
<path d="M8 4a.5.5 0 0 1 .5.5V6a.5.5 0 0 1-1 0V4.5A.5.5 0 0 1 8 4zM3.732 5.732a.5.5 0 0 1 .707 0l.915.914a.5.5 0 1 1-.708.708l-.914-.915a.5.5 0 0 1 0-.707zM2 10a.5.5 0 0 1 .5-.5h1.586a.5.5 0 0 1 0 1H2.5A.5.5 0 0 1 2 10zm9.5 0a.5.5 0 0 1 .5-.5h1.5a.5.5 0 0 1 0 1H12a.5.5 0 0 1-.5-.5zm.754-4.246a.389.389 0 0 0-.527-.02L7.547 9.31a.91.91 0 1 0 1.302 1.258l3.434-4.297a.389.389 0 0 0-.029-.518z"/>
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</symbol>
<symbol id="table" viewBox="0 0 16 16">
<path d="M0 2a2 2 0 0 1 2-2h12a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2V2zm15 2h-4v3h4V4zm0 4h-4v3h4V8zm0 4h-4v3h3a1 1 0 0 0 1-1v-2zm-5 3v-3H6v3h4zm-5 0v-3H1v2a1 1 0 0 0 1 1h3zm-4-4h4V8H1v3zm0-4h4V4H1v3zm5-3v3h4V4H6zm4 4H6v3h4V8z"/>
</symbol>
<symbol id="people-circle" viewBox="0 0 16 16">
<path d="M11 6a3 3 0 1 1-6 0 3 3 0 0 1 6 0z"/>
<path fill-rule="evenodd" d="M0 8a8 8 0 1 1 16 0A8 8 0 0 1 0 8zm8-7a7 7 0 0 0-5.468 11.37C3.242 11.226 4.805 10 8 10s4.757 1.225 5.468 2.37A7 7 0 0 0 8 1z"/>
</symbol>
<symbol id="grid" viewBox="0 0 16 16">
<path d="M1 2.5A1.5 1.5 0 0 1 2.5 1h3A1.5 1.5 0 0 1 7 2.5v3A1.5 1.5 0 0 1 5.5 7h-3A1.5 1.5 0 0 1 1 5.5v-3zM2.5 2a.5.5 0 0 0-.5.5v3a.5.5 0 0 0 .5.5h3a.5.5 0 0 0 .5-.5v-3a.5.5 0 0 0-.5-.5h-3zm6.5.5A1.5 1.5 0 0 1 10.5 1h3A1.5 1.5 0 0 1 15 2.5v3A1.5 1.5 0 0 1 13.5 7h-3A1.5 1.5 0 0 1 9 5.5v-3zm1.5-.5a.5.5 0 0 0-.5.5v3a.5.5 0 0 0 .5.5h3a.5.5 0 0 0 .5-.5v-3a.5.5 0 0 0-.5-.5h-3zM1 10.5A1.5 1.5 0 0 1 2.5 9h3A1.5 1.5 0 0 1 7 10.5v3A1.5 1.5 0 0 1 5.5 15h-3A1.5 1.5 0 0 1 1 13.5v-3zm1.5-.5a.5.5 0 0 0-.5.5v3a.5.5 0 0 0 .5.5h3a.5.5 0 0 0 .5-.5v-3a.5.5 0 0 0-.5-.5h-3zm6.5.5A1.5 1.5 0 0 1 10.5 9h3a1.5 1.5 0 0 1 1.5 1.5v3a1.5 1.5 0 0 1-1.5 1.5h-3A1.5 1.5 0 0 1 9 13.5v-3zm1.5-.5a.5.5 0 0 0-.5.5v3a.5.5 0 0 0 .5.5h3a.5.5 0 0 0 .5-.5v-3a.5.5 0 0 0-.5-.5h-3z"/>
</symbol>
</svg>
<div class="d-flex flex-column flex-shrink-0 bg-body-tertiary" style="width: 4.5rem;">
<a href="/" class="d-block p-3 link-body-emphasis text-decoration-none" data-bs-toggle="tooltip" data-bs-placement="right" data-bs-original-title="Icon-only">
<svg class="bi pe-none" width="40" height="32"><use xlink:href="#bootstrap"></use></svg>
<span class="visually-hidden">Icon-only</span>
</a>
<ul class="nav nav-pills nav-flush flex-column mb-auto text-center">
<li class="nav-item">
<a href="#" class="nav-link active py-3 border-bottom rounded-0" aria-current="page" data-bs-toggle="tooltip" data-bs-placement="right" aria-label="Home" data-bs-original-title="Home">
<svg class="bi pe-none" width="24" height="24" role="img" aria-label="Home"><use xlink:href="#home"></use></svg>
</a>
</li>
<li>
<a href="#" class="nav-link py-3 border-bottom rounded-0" data-bs-toggle="tooltip" data-bs-placement="right" aria-label="Dashboard" data-bs-original-title="Dashboard">
<svg class="bi pe-none" width="24" height="24" role="img" aria-label="Dashboard"><use xlink:href="#speedometer2"></use></svg>
</a>
</li>
<li>
<a href="#" class="nav-link py-3 border-bottom rounded-0" data-bs-toggle="tooltip" data-bs-placement="right" aria-label="Orders" data-bs-original-title="Orders">
<svg class="bi pe-none" width="24" height="24" role="img" aria-label="Orders"><use xlink:href="#table"></use></svg>
</a>
</li>
<li>
<a href="#" class="nav-link py-3 border-bottom rounded-0" data-bs-toggle="tooltip" data-bs-placement="right" aria-label="Products" data-bs-original-title="Products">
<svg class="bi pe-none" width="24" height="24" role="img" aria-label="Products"><use xlink:href="#grid"></use></svg>
</a>
</li>
<li>
<a href="#" class="nav-link py-3 border-bottom rounded-0" data-bs-toggle="tooltip" data-bs-placement="right" aria-label="Customers" data-bs-original-title="Customers">
<svg class="bi pe-none" width="24" height="24" role="img" aria-label="Customers"><use xlink:href="#people-circle"></use></svg>
</a>
</li>
</ul>
<div class="dropdown border-top">
<a href="#" class="d-flex align-items-center justify-content-center p-3 link-body-emphasis text-decoration-none dropdown-toggle" data-bs-toggle="dropdown" aria-expanded="false">
<img src="https://github.com/mdo.png" alt="mdo" width="24" height="24" class="rounded-circle">
</a>
<ul class="dropdown-menu text-small shadow">
<li><a class="dropdown-item" href="#">New project...</a></li>
<li><a class="dropdown-item" href="#">Settings</a></li>
<li><a class="dropdown-item" href="#">Profile</a></li>
<li><hr class="dropdown-divider"></li>
<li><a class="dropdown-item" href="#">Sign out</a></li>
</ul>
</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-ENjdO4Dr2bkBIFxQpeoTz1HIcje39Wm4jDKdf19U8gI4ddQ3GYNS7NTKfAdVQSZe" crossorigin="anonymous"></script>
</body>
</html>