Show — Spoiler

Many community platforms like Fandom use classes like mw-collapsible to create toggles that show or hide large blocks of text with a "Show" button.

For a classic "black bar" effect that reveals text on hover or click, you can use background colors. : This is a secret. CSS : Use code with caution. Copied to clipboard 3. Advanced Wiki Collapsibles Show Spoiler

If you are building your own site, you can create a "Show Spoiler" button using HTML, CSS, or simple JavaScript. Many community platforms like Fandom use classes like

Most major platforms use standard Markdown or built-in menus to hide text. Show Spoiler

: Use the tag to wrap your text: Hidden content here .