模态对话框防止用户与对话框以外的页面其他部分进行交互,直到对话框关闭为止。

添加模态覆盖屏幕,让对话框看起来更突出,因为它让页面上其他内容变暗。

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 对话框(Dialog) - 基本的模态</title>
  <link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
  <script src="//code.jquery.com/jquery-1.9.1.js"></script>
  <script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
  <link rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css">
  <script>
  $(function() {
    $( "#dialog-modal" ).dialog({
      height: 140,
      modal: true
    });
  });
  </script>
</head>
<body>
 
<div id="dialog-modal" title="基本的模态对话框">
  <p>添加模态覆盖屏幕,让对话框看起来更突出,因为它让页面上其他内容变暗。</p>
</div>
 
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</body>
</html>