1.rest api
2.跨域
XMLHttpRequest cannot load http://localhost:8080/spring01/user/test. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:36813' is therefore not allowed access. The response had HTTP status code 405.
http://blog.csdn.net/joyhen/article/details/21631833
3. 请求url格式，参数，json
4. 点击事件
http://www.cnblogs.com/xiaoxingyiyi/p/5447378.html
5.
https://github.com/markyun/My-blog/tree/master/Front-end-Developer-Questions/Questions-and-Answers