弹出窗口类似于工具提示，提供带有标题的扩展视图。为了激活弹出框，用户只需将光标悬停在元素上。可以使用Bootstrap Data API完全填充弹出窗口的内容。
您可以尝试运行以下代码来实现Popover插件
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</title>
<link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet">
<script src = "/scripts/jquery.min.js"></script>
<script src = "/bootstrap/js/bootstrap.min.js"></script>
</head>
<body>
<div class = "container" style = "padding: 100px 50px 10px;" >
<button type = "button" class = "btn btn-default" title = "Popover title"
data-container = "body" data-toggle = "popover" data-placement = "left"
data-content = "Some content in Popover on left">
Popover on left
</button>
<button type = "button" class = "btn btn-primary" title = "Popover title"
data-container = "body" data-toggle = "popover" data-placement = "top"
data-content = "Some content in Popover on top">
Popover on top
</button>
<button type = "button" class = "btn btn-success" title = "Popover title"
data-container = "body" data-toggle = "popover" data-placement = "bottom"
data-content = "Some content in Popover on bottom">
Popover on bottom
</button>
<button type = "button" class = "btn btn-warning" title = "Popover title"
data-container = "body" data-toggle = "popover" data-placement = "right"
data-content = "Some content in Popover on right">
Popover on right
</button>
</div>
<script>
$(function (){
$("[data-toggle = 'popover']").popover();
});
</script>
</body>
</html>