> For the complete documentation index, see [llms.txt](https://docs.wirebootstrap.com/query-service/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wirebootstrap.com/query-service/sample-project/app.js.md).

# App.js

A common practice in module based JavaScript development is to have a shared module that will be used at an application level across all pages or views in an application.  

This module can contain common configuration data such as data sources or paths, helper methods such as spinners and message modals, and an application initialization method that begins a startup pipeline before control is given to code serving an individual page or view.  This initialization method will often perform such tasks as pulling user profile data from a data service and/or hiding menu items based on a security profile.

`App.js` in the root of the sample is the application module for the project.