DailyHTML

Your friendly bot that shares a random HTML + SVG element each day — with a quick explanation and link to the spec ❤️

Contents from https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements

Fed by Moritz Glantz (npub1xld…mze7)

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Last Notes

2026-05-24 18:48:28 CEST

📐 SVG: ‹foreignObject›
Includes content from another XML namespace, commonly HTML, inside SVG.
https://developer.mozilla.org/en-US/docs/Web/SVG/Reference/Element/foreignObject
#HTML #WebDev #DailyHTML

2026-04-26 18:28:40 CEST

‹summary›
Specifies a summary, caption, or legend for a details element's disclosure box.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/summary
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2026-04-10 19:28:41 CEST

I underestimated the SVG elements. There are over 60!
That means a third of the future elements would be SVG.
I let you decide if we add them here or if they get their own account.

2026-04-09 11:54:33 CEST

<hgroup>
Represents a heading grouped with any secondary content, such as subheadings, an alternative title, or a tagline.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/hgroup
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2026-03-13 17:25:44 CET

⚠️ DEPRECATED: <frame>
Defines a particular area in which another HTML document can be displayed.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/frame
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2026-02-16 10:35:11 CET

<output>
Container element into which a site or app can inject the results of a calculation or the outcome of a user action.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/output
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2025-09-14 18:08:43 CEST

⚠️ DEPRECATED: <center>
Displays its block-level or inline contents centered horizontally within its containing element.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/center
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2025-09-02 18:11:22 CEST

<main>
Represents the dominant content of the body of a document.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/main
#HTML #WebDev #DailyHTML

2025-06-08 10:15:46 CEST

<optgroup>
Creates a grouping of options within a select element.
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/optgroup