h-item: Difference between revisions
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<dfn style="font-style:normal;font-weight:bold">h-item</dfn> is a simple, open format for publishing details about arbitrary items. h-item is one of several open [[microformats|microformat]] draft standards suitable for embedding data in HTML. | <dfn style="font-style:normal;font-weight:bold">h-item</dfn> is a simple, open format for publishing details about arbitrary items. h-item is one of several open [[microformats|microformat]] draft standards suitable for embedding data in HTML. | ||
In practice, h-item is almost never used on its own, but rather as the '''p-item''' in an [[h-review]] if the item being reviewed cannot otherwise be represented by either an [[h-card]], [[h-product]], [[h-event]], or other specific microformat. | In practice, h-item is almost never used on its own, but rather as the '''p-item''' in an [[h-review]] if the item being reviewed cannot otherwise be represented by either an [[h-card]], [[h-product]], [[h-event]], or other specific microformat. | ||
{{cc0-owfa-license}} | ;<span id="Status">Status</span> | ||
:This is a '''Draft Specification''' | |||
;Participate | |||
:[[IRC]]: [irc://irc.libera.chat/microformats #microformats on Libera] | |||
;Editor | |||
:<span class="h-card vcard"><span class="p-name fn">[[User:Tantek|Tantek Çelik]]</span> (<span class="p-role role">Editor</span>)</span> | |||
;License | |||
:{{cc0-owfa-license}} | |||
__TOC__ | |||
== Example == | == Example == | ||
As the only properties defined by h-item are '''p-name''', '''u-url''' and '''u-photo''', in practice only the root class name is ever actually required thanks to [[microformats-2-implied-properties]]. Explicit properties may be needed for unusual markup structures or to represent multiple values, e.g. multiple URLs, photos. etc.. | As the only properties defined by h-item are '''p-name''', '''u-url''' and '''u-photo''', in practice only the root class name is ever actually required thanks to [[microformats-2-implied-properties]]. Explicit properties may be needed for unusual markup structures or to represent multiple values, e.g. multiple URLs, photos. etc.. | ||
< | <syntaxhighlight lang="html"> | ||
<a class="h-item" href="http://example.org/items/1"> | <a class="h-item" href="http://example.org/items/1"> | ||
<img src="http://example.org/items/1/photo.png" alt="" /> | <img src="http://example.org/items/1/photo.png" alt="" /> | ||
The Item Name | The Item Name | ||
</a> | </a> | ||
</ | </syntaxhighlight> | ||
Parsed JSON: | Parsed JSON: | ||
< | <syntaxhighlight lang="json"> | ||
{ | { | ||
"items": [ | "items": [ | ||
Line 40: | Line 45: | ||
] | ] | ||
} | } | ||
</ | </syntaxhighlight> | ||
== Properties == | == Properties == |
Latest revision as of 21:22, 26 July 2023
h-item is a simple, open format for publishing details about arbitrary items. h-item is one of several open microformat draft standards suitable for embedding data in HTML.
In practice, h-item is almost never used on its own, but rather as the p-item in an h-review if the item being reviewed cannot otherwise be represented by either an h-card, h-product, h-event, or other specific microformat.
- Status
- This is a Draft Specification
- Participate
- IRC: #microformats on Libera
- Editor
- Tantek Çelik (Editor)
- License
- Per CC0, to the extent possible under law, the editors have waived all copyright and related or neighboring rights to this work. In addition, as of 2024-11-21, the editors have made this specification available under the Open Web Foundation Agreement Version 1.0.
Example
As the only properties defined by h-item are p-name, u-url and u-photo, in practice only the root class name is ever actually required thanks to microformats-2-implied-properties. Explicit properties may be needed for unusual markup structures or to represent multiple values, e.g. multiple URLs, photos. etc..
<a class="h-item" href="http://example.org/items/1">
<img src="http://example.org/items/1/photo.png" alt="" />
The Item Name
</a>
Parsed JSON:
{
"items": [
{
"type": [
"h-item"
],
"properties": {
"name": [
"The Item Name"
],
"photo": [
"http://example.org/items/1/photo.png"
],
"url": [
"http://example.org/items/1"
]
}
}
]
}
Properties
p-name
- item nameu-url
- permalink URLu-photo
- photo URL
All properties are optional.
Status
h-item is a microformats.org draft specification. Public discussion on h-item takes place on h-item-feedback and the #microformats irc channel on irc.freenode.net.
Property Details
(stub, add any property explanations here)
Examples in the Wild
- … add any h-item examples you find in the wild
Validating
Test and validate microformats2 markup in general with:
- https://pin13.net/mf2/ - enter your markup directly
- https://pin13.net/ - enter a URL to a page to test where it says "Microformats Parser"
Background
h-item was extracted from the classic hReview microformat as a way of referring to arbitrary reviewed items which cannot be represented by other microformats but which required a “shell” microformat due to the flat property requirement of microformats 2.