- Switching operations $ (). ToggleClass () can switch the property, originally existing property will be canceled, originally nonexistent property will be added on, very convenient.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Bootstrap 实例 - 按钮激活状态</title>
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<button id="1" type="button" class="btn btn-default btn-lg ">默认按钮</button>
<script>
$("#1").click(function(){$("button[id='1']").toggleClass("active btn-default btn-primary"); } );
</script>
</body>
</html>You may rookie tutorial try