等待学习
一、关于线程
http://www.cnblogs.com/cloudwind/archive/2012/08/30/2664003.html
http://bbs.csdn.net/topics/390128823
二 javascript闭包
http://www.jb51.net/article/24101.htm
三
http://www.cnblogs.com/jeriffe/archive/2012/11/06/2757186.html
http://www.cnblogs.com/eyeandroid/archive/2012/11/06/2757979.html
http://www.cnblogs.com/xilinch/archive/2012/11/08/2760233.html
http://www.cnblogs.com/frydsh/archive/2012/11/08/2760408.html