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feature: <details> & <summary> status: use tags: polyfill kind: html moreurl: polyfillurls: <details> polyfill

Use the <details> (and optionally the <summary>) element if you intend to show a summary which, when clicked, reveals detailed information. 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.