<!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>
<button type = "button" class = "btn btn-primary" data-toggle = "collapse" data-target = "#demo">
simple collapsible
</button>
<div id = "demo" class = "collapse in">
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sapiente ea proident. Ad vegan excepteur butcher vice lomo.
</div>
</body>
</html>
原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/264807.html