javascr ipt取得机器名，用户名，读写注册表，启动应用程序时要用到的。-javascr ipt access to the machine name, user name, read and write the registry, start the application into use.

Javascr ipt is an implementation of the ECMAscr ipt language standard and is typically used to enable programmatic access to computational objects within a host environment. It can be characterized as a prototype-based object-oriented[6] scr ipting l