docs.sheetjs.com/docz/docs/03-demos/32-extensions/index.md

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Thanks to the broad availability of powerful engines, JavaScript is a popular language for writing extensions for apps. Some applications like Chromium use V8 while others use engines that only support ES3 JavaScript. With conservative use of modern language features, SheetJS can be used in many app extensions.

Demos for common applications are included in separate pages:

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