http://www.cnblogs.com/TomXu/archive/2011/12/15/2288411.html
http://blog.csdn.net/hi_kevin/article/details/37761919 深入理解javascript之执行上下文(execution context)
2021-09-09 14:16:19
http://www.cnblogs.com/TomXu/archive/2011/12/15/2288411.html
http://blog.csdn.net/hi_kevin/article/details/37761919 深入理解javascript之执行上下文(execution context)