<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Bootstrap 實例 - 模態框（Modal）插件</title>
<link rel="stylesheet" href="https://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<h2>創建模態框（Modal）</h2>
<!-- 按鈕觸發模態框 -->
<button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">
開始演示模態框
</button>
<!-- 模態框（Modal） -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">
×
</button>
<h4 class="modal-title" id="myModalLabel">
模態框（Modal）標題
</h4>
</div>
<div class="modal-body">
在這里添加一些文本
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">關閉
</button>
<button type="button" class="btn btn-primary">
提交更改
</button>
</div>
</div><!-- /.modal-content -->
</div><!-- /.modal -->
</div>
</body>
</html>
或者腳本控制 <script> $('#myModal').modal('toggle'); </scirpt>
原文：http://www.runoob.com/try/try.php?filename=bootstrap3-plugin-modal