For this reason, creating a compelling productivity application such as a word processor and a presentation application on the Web requires interacting with the system pasteboard just as much as other native applications.
We use it for all sorts of purposes, from copying a hyperlink on one website to another, to copying a blog post typed in a native word processing application to a blog platform on the web.
Copy and paste is one of the most basic interactions in modern operating systems. The Clipboard API provides a mechanism for websites to support accessing the system pasteboard (pasteboard is the macOS and iOS counterpart to clipboard on Windows and Linux).