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+---
+title: Popover Attribute Polyfill
+sub: Polyfill the Popover API
+feature: true
+date: 2023-10-31
+logo: oddcontrast
+image:
+  position: top
+  src: projects/contrast.jpg
+oss: owner
+author: oddbird
+action:
+  text: Try Polyfill Demo »
+  url: https://popover-polyfill.netlify.app/
+index: Popover
+links:
+  demo: https://popover-polyfill.netlify.app/
+  source: https://github.com/oddbird/popover-polyfill
+summary: |
+  OddBird’s Popover Attribute Polyfill
+  lets developers preview the upcoming mechanism
+  for displaying popover content 
+  on top of other page content,
+  drawing the user’s attention
+  to specific important information
+  or actions that need to be taken.
+---
+
+{% import 'embed.macros.njk' as embed %}
+
+## What the Polyfill Does
+
+This polyfills the HTML `popover` attribute
+and `showPopover`/`hidePopover`/`togglePopover` methods
+onto HTMLElement, as well as the `popovertarget`
+and `popovertargetaction` attributes on Button elements.
+
+Typical use cases for the Popover API
+include user-interactive elements
+like action menus, custom “toast” notifications,
+form element suggestions, content pickers,
+or teaching UI. To learn more about
+the Popover API in general,
+check out the [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/API/Popover_API).
+
+## Polyfill Usage
+
+After installation,
+the polyfill will automatically
+add the correct methods and attributes
+to the HTMLElement class.
+Check out the [Polyfill Installation Guide](https://github.com/oddbird/popover-polyfill#polyfill-installation)
+for various methods.
+
+This polyfill is not a perfect replacement
+for the native behavior;
+there are some caveats
+which will need accommodations.
+Check out the list of [caveats](https://github.com/oddbird/popover-polyfill#caveats).