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The alt attribute is the HTML attribute used in HTML and XHTML documents to specify alternative text (alt text) that is to be displayed in place of an element that cannot be rendered. The alt attribute is used for short descriptions, with longer descriptions using the longdesc attribute .
The World Wide Web Consortium (W3C) guidelines state that an image's alt attribute should convey meaning, rather than a literal description of the image itself. [2] For example, the alt attribute on an institution's logo should convey that it is the institution's logo instead of describing details of what the logo looks like. [3] [4]
These are examples of tables read aloud by screen readers. They may be useful as concrete examples to show to the community, when the community has difficulty in understanding how an accessible table benefits a screen reader user. Table using SCOPE attributes [dead link ] (NVDA using the Crystal voice from NaturalSoft)
The nearby text is sufficient as the image's alternative text. A non-blank alt attribute results in repetitive text for screen readers and search engines. In both cases, a blank alt attribute is ideal. For public domain, CC0, or similarly licensed images, unlink the image and use a blank alt attribute: |link=|alt=. The combination of no link ...
In HTML and XML, a numeric character reference refers to a character by its Universal Coded Character Set/Unicode code point, and uses the format: &#xhhhh;. or &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form.
It is a piece of markup language used to adjust the behavior or display of an HTML element.HTML attributes are a modifier of a HTML element type. An attribute either modifies the default functionality of an element type or provides functionality to certain element types unable to function correctly without them. In HTML syntax, an attribute is ...
Using links to wiktionary as an example, interwiki links can take the form of: [[wikt:article]] which appears as: wikt:article. The pipe symbol suppresses the prefix: [[wikt:article|]] → article. Adding text after the pipe allows either the same or a different text (with no prefix): [[wikt:article|article]] → article
This formats an example wikilink to show how it would be entered in wiki markup. The first parameter is the link destination. E.g. {{elc|Cookie}} renders as [[Cookie]], the wiki markup for the wikilink Cookie.