Answer
`<details>` is an element that can open and close extra information. • It works with `<summary>` as the clickable label. • Browsers apply the native parsing and behavior defined for this element. • Using its native meaning helps assistive technology understand the content when the element has accessibility semantics.
💡 Simple Example
<details><summary>Answer</summary><p>42</p></details>
⚡ Quick Revision
`<details>` should be used for its proper HTML purpose.