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Summary: a disclosure label should explain its contents

Publisher: ResumeMaker • 1 source

Published: 23 Oct 2026 08:23 · Updated: 23 Oct 2026 08:23

AI source check: 22 Oct 2026 16:54. This is not editorial approval.

In a few sentences

In brief

HTML summary is the visible label of a details disclosure. Activating it changes the parent's open state.

Useful to know

HTML summary is the visible label of a details disclosure. Activating it changes the parent's open state. [1]

Choose a specific label such as “How the result is calculated” rather than a vague “More”. Readers can then anticipate the content. Check keyboard operation and preserve visible focus when changing the marker's appearance.

Sources

For further detail and to check the information:

  1. [1] MDN — HTML summary ↗