The unique id is used to find the text to be copied. This allows multiple "copy to clipboard" links on a page. This also allows the separation of the "copy to clipboard" link(s) from the text to be copied.
This is a MediaWiki Enhancement to simplify the process of installation and to improve compatibility with various versions of MediaWiki.
Here is how Real Obvious Clipboard works... Page Viewer - The visitor clicks "Copy" and the designated text (and formatting + images) is copied to their clipboard. Page Editor - Copy to clipboard is added to a page using standard MediaWiki Templates "{{Clipboard|...}}" Wiki Admin - Copy to clipboard is installed by updating common.css, common.js, [...]
Nothing. Real Obvious Clipboard is provided free of charge.
Compatibility, Simplicity, and Cost. Compatibility - To ensure the widest possible compatibility across browsers and devices, Real Obvious Clipboard uses the clipboardjs open source library to perform the "copy to clipboard" action. Simplicity - MediaWiki Templates are used to add the "copy to clipboard" capability to a wiki page. A temporary alert message is displayed [...]
Real Obvious Clipboard is a MediaWiki Enhancement designed to be installed and used on MediaWiki websites connected to the Internet or operated within isolated enclaves / dark sites.