<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap 示例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.w3schools.cn/lib/bootstrap/4.5.2/css/bootstrap.min.css">
<script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.5.1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<script src="https://www.w3schools.cn/lib/bootstrap/4.5.2/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h3>工具提示选项</h3>
<p><strong>placement</strong> 选项指定工具提示的位置。</p>
<div>
<button class="btn btn-warning">Top</button>
<button class="btn btn-success">Bottom</button>
<button class="btn btn-danger">Left</button>
<button class="btn btn-primary">Right</button>
</div>
</div>
<script>
$(document).ready(function(){ $('.btn-warning').tooltip({title: "Hooray", placement: "top"}); $('.btn-success').tooltip({title: "Hooray", placement: "bottom"}); $('.btn-danger').tooltip({title: "Hooray", placement: "left"}); $('.btn-primary').tooltip({title: "Hooray", placement: "right"}); });
</script>
</body>
</html>