Add Custom Body
Sometimes, you may need to add different tags to the HTML body. This is useful for adding some custom content roots.
You can do this very easily. Simply create a file called
preview-body.html inside the Storybook config directory and add tags like this:
That’s it. Storybook will inject these tags to html body.
Storybook will inject these tags to the iframe where your components are rendered. So, these won’t be loaded into the main Storybook UI.