trybs_ref_btn_active 在线代码实例

 <div class="container">
	  <h2>按钮</h2>
	  <p> .active 类表示按钮被点击:</p>            
	  <button type="button" class="btn btn-default">默认按钮</button>      
	  <button type="button" class="btn btn-default active">点击激活的默认按钮</button>
	  <br><br>
	  <button type="button" class="btn btn-info">信息按钮</button>      
	  <button type="button" class="btn btn-info active">点击激活的信息按钮</button>
	</div>
   
  <script src="//apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script>
  <script src="//apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>