代码示例:(标识:bs_tooltip_pos)
<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap 实例</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.1.2/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.1.2/js/bootstrap.bundle.js"></script>
</head>
<body>

<div class="p-4">
  <h3>工具提示定位</h3>
  <p>data-bs-placement 属性指定工具提示的位置。</p>
  <a href="#" data-bs-toggle="tooltip" data-bs-placement="top" title="太棒了!">Top</a>
  <a href="#" data-bs-toggle="tooltip" data-bs-placement="bottom" title="太棒了!">Bottom</a>
  <a href="#" data-bs-toggle="tooltip" data-bs-placement="left" title="太棒了!">Left</a>
  <a href="#" data-bs-toggle="tooltip" data-bs-placement="right" title="太棒了!">Right</a>
</div>

<script>
var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'))
var tooltipList = tooltipTriggerList.map(function (tooltipTriggerEl) {
  return new bootstrap.Tooltip(tooltipTriggerEl)
})
</script>

</body>
</html>
运行结果: