纳秒
JavaScript 命名空间工具
特征
ns 提供了两个简单但有用的功能：
1. 使用自动嵌套初始化轻松命名空间：
// Assigns the function to window.MyApp.Security.authenticate.
// NOTE: window.MyApp may not be initialised yet.
ns ( "MyApp.Security.authenticate" , function ( username , password ) { /* .. */ } ) ;
// Assigns the object to window.MyApp.Security.credentials.
// NOTE: Existing assignments within the namespace are kept.
ns ( "MyApp.Sec
