All the interfaces, classes, functions, and variables can be defined in the curly braces {} by using the export keyword. Right now, you are saying that this module exports a single namespace called vector3, which is currently empty. Note: All other issues here on SO that I've found are Angular related and/or have an entirely different setup than this. Avoiding alpha gaming when not alpha gaming gets PCs into trouble, is this blue one called 'threshold? JavaScript is disabled. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). Next, add a User class inside the namespace to represent a User entity in the database: You can use your User class normally inside your namespace. This new IIFE matches the second declaration of your DatabaseEntity namespace. The format is as follows. to your account. Using the previous example, this means that if you declared your DatabaseEntity namespace again, you would be able to extend the namespace with more properties. You are using an out of date browser.