Marginotes: Reveal notes in the margin on hover

Marginotes takes your jQuery selection and adds notes to the margin with the text provided in HTML attributes. If you don’t want to use jQuery, there’s also a version of marginotes without it.

Marginotes works by adding a desc attribute to an HTML element, which will be displayed as a tooltip:

It works with links, as well as with <span> elements.

Illustration by akselkreis