Markdown Spoilers or Hidden Text

From WikiOD

Remarks[edit | edit source]

This spoiler syntax is specific to Stack Exchange, and is not part of a standard markdown syntax.

Creating spoilers[edit | edit source]

Spoilers are used to hide text or images that would otherwise negatively impact another user's experience. They can be created using >!

>!This is hidden until your cursor hovers on top of it

This is hidden until your cursor hovers on top of it

Note: This is not part of standard markup spec and it won't be rendered in all the markdown parsers.

Credit:Stack_Overflow_Documentation