在Bootstrap中实现.popover（“ toggle”）方法
要在单击按钮时切换弹出窗口，请使用popver（“toggle”）方法。
设置弹出开关为-
$(document).ready(function(){
$(".btn-default").click(function(){
$("[data-toggle='popover']").popover('toggle');
});
});单击按钮时，弹出窗口将生成-
<button type="button" class="btn btn-default"> (Course) Toggle Popover </button>
单击按钮后，弹出程序会在链接上生成弹出框-
<a href="#" data-toggle="popover" title="Languages" data-content="C, C++, Java"> Learn </a>
以下是说明popver（“toggle”）方法用法的示例-
示例
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<a href="#" data-toggle="popover" title="Languages" data-content="C, C++, Java">Learn</a>
<div>
<p>The following is the button:</p>
<button type="button" class="btn btn-default">(Course) Toggle Popover</button>
</div>
</div>
<script>
$(document).ready(function(){
$(".btn-default").click(function(){
$("[data-toggle='popover']").popover('toggle');
});
});
</script>
</body>
</html>