Please<details> & <summary>
Safe to use with polyfillhtmlUse the <details> (and optionally the <summary>) element if you intend to show a summary which, when clicked, reveals detailed information.
- Verdict
- Safe to use
- Category
- HTML features
- Browser support
- Can I Use
- Works in
- all modern browsers
Should you use <details> & <summary> in 2026?
Currently not supported in any version of Internet Explorer or Edge.
Without polyfill, non-supporting browsers will fall back to displaying the element in the opened state.