<!DOCTYPE html>
<html>
<head>
<title>Try v1.2 Bootstrap Online</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 = "panel-group" id = "accordion">
<div class = "panel panel-info">
<div class = "panel-heading">
<h4 class = "panel-title">
<a data-toggle = "collapse" data-parent = "#accordion" href = "#collapseexample">
Click me to expand. Click me again to collapse. Section --shown event
</a>
</h4>
</div>
<div id = "collapseexample" class = "panel-collapse collapse">
<div class = "panel-body">
Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt
sapiente ea proident. Ad vegan excepteur butcher vice lomo.
</div>
</div>
</div>
</div>
<script type = "text/javascript">
$(function () {
$('#collapseexample').on('show.bs.collapse', function () {
alert('Hey, this alert shows up when you expand it');
})
});
</script>
</body>
</html>
原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/264805.html