What is Longdesc in HTML?

What is Longdesc in HTML?

The deprecated property longDesc on the HTMLImageElement interface specifies the URL of a text or HTML file which contains a long-form description of the image. This can be used to provide optional added details beyond the short description provided in the title attribute.

What is the Longdesc attribute?

The longdesc attribute is a URI , the target of which contains a long description of the non-text content. Authors can provide a description for an image by including text in a separate resource or within the text of the page containing the image.

How do I reference an image in HTML?

Chapter Summary

  1. Use the HTML element to define an image.
  2. Use the HTML src attribute to define the URL of the image.
  3. Use the HTML alt attribute to define an alternate text for an image, if it cannot be displayed.

What is image tag in HTML?

The tag is used to embed an image in an HTML page. Images are not technically inserted into a web page; images are linked to web pages. The tag creates a holding space for the referenced image. alt – Specifies an alternate text for the image, if the image for some reason cannot be displayed.

Should I use Longdesc?

HTMLIFrameElement API: longDesc This feature is deprecated/obsolete and should not be used.

How do image descriptions work?

An image description conveys the same or equivalent information that a sighted reader would get when they look at a picture, to someone with a print disability such as those who are blind or visually impaired. Image descriptions can be included in digital content in two forms: alt-text and Long Description.

How do I make an image a link in HTML?

To use image as a link in HTML, use the tag as well as the tag with the href attribute. The tag is for using an image in a web page and the tag is for adding a link. Under the image tag src attribute, add the URL of the image. With that, also add the height and width.

What is picture tag?

The tag in HTML is used to give flexibility to the web-developers to specify image resources. The tag contains and tags. The attribute value is set to load more appropriate image. The element is used for the last child element of the picture declaration block.

What can I use instead of Longdesc?

The WAI-ARIA aria-describedby attribute can be used to link to a description of the image that is provided anywhere on the same web page, in a similar way to the longdesc approach.

What is a long description?

A long description is a way to provide long alternative text for non-text elements, such as images. Examples of suitable use of long description are charts, graphs, maps, infographics, and other complex images. Like alternative text, long description should be descriptive and meaningful.

How do I write an image description?

Image descriptions should start with the words “Image Description,” to indicate what it is, especially for those using screen readers. Image descriptions need to be the first comment to a picture. If you are adding a description to a picture that already has comments, just use the return key to add a few more spaces.