我正在研究Ruby on Rails教程第8章中的示例,我在页面上遇到上述错误,而且我的下拉菜单无法正常工作.关于如何解决这个问题的任何想法？
/* ===================================================
* bootstrap-transition.js v2.0.0
* http://twitter.github.com/bootstrap/javascript.html#transitions
* ===================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* …