JQuery001 将Jquery加入Html

下载地址:  http://jquery.com/download/

使用CDN:

<script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"> </script>

或

<script src="https://upcdn.b0.upaiyun.com/libs/jquery/jquery-2.0.2.min.js"> </script>

或

<script src="https://lib.sinaapp.com/js/jquery/2.0.2/jquery-2.0.2.min.js"> </script>

或

<script src="https://ajax.aspnetcdn.com/ajax/jquery/jquery-1.9.0.min.js"></script>