在线运行代码 - 菜鸟教程

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>对话框部件（Dialog Widget）演示</title>
  <link rel="stylesheet" href="https://apps.bdimg.com/libs/jqueryui/1.10.4/css/jquery-ui.min.css">
  <script src="https://apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script>
  <script src="https://apps.bdimg.com/libs/jqueryui/1.10.4/jquery-ui.min.js"></script>
</head>
<body>
 
<button id="opener">打开对话框</button>
<div id="dialog" title="对话框标题">我是一个对话框</div>
 
<script>
$( "#dialog" ).dialog({ autoOpen: false });
$( "#opener" ).click(function() {
  $( "#dialog" ).dialog( "open" );
});
</script>
 
</body>
</html>
源代码

动行结果
