js 扎实基础
DOM对象和JQuery对象的区别
[http://www.cnblogs.com/yellowapplemylove/archive/2011/04/19/2021583.html]
[https://segmentfault.com/a/1190000003710344]
[http://www.cnblogs.com/yellowapplemylove/archive/2011/04/19/2021583.html]
[https://segmentfault.com/a/1190000003710344]