SheetJS presents a simple JS interface that works with "Array of Arrays" and "Array of JS Objects". The API functions are building blocks that should be combined with other JS APIs to solve problems.
These discussions focus on the problem solving mindset. API details are covered in other parts of the documentation.
The "Export Tutorial" examines the data export process. Raw data is fetched from an endpoint, processed and ultimately exported to a XLSX spreadsheet.
The "Import Tutorial" examines the data import process. A legacy file is downloaded and parsed. The underlying data is ultimately displayed to the user in a HTML table.