Site-embedded web applications are a nice way to give access to your script functions because they enable easy page navigation and the possibility to add descriptions, directions for use, and illustrations, making your apps easier for other users to use.

If we think about the very first script example in Chapter 1, Enhancing Spreadsheets, that calculated my age in hours and that we tried in a spreadsheet, the same script modified to work as a site gadget would be much more fun and easy to make public without us needing to share any access to any of our documents. Moreover, even a user having no experience with spreadsheets would be able to use it without difficulty.

The code will need to be changed to create a small and basic user interface so that users can enter their birth date and time. This requires a few methods and a workflow, which we haven't talked about yet (it is for the next chapter), but for now you can simply copy it and follow...