Itqualityassurance
- Why use visibility hidden?
- What is difference between display none and visibility hidden?
- What is a block link?
- Can a button be a child of a button?
Why use visibility hidden?
Using a visibility value of hidden on an element will remove it from the accessibility tree. This will cause the element and all its descendant elements to no longer be announced by screen reading technology.
What is difference between display none and visibility hidden?
Difference between display:none and visiblity: hidden
visibility:hidden hides the element, but it still takes up space in the layout. display:none removes the element from the document. It does not take up any space.
What is a block link?
Link blocks are similar to Div blocks in that they can be used for structure and layout, but the area inside of the Link block becomes a link. Link blocks can turn any element, like an image, or any layout, like a banner, into a link.
Can a button be a child of a button?
It is not valid to put a <button> inside a <button> element. In the W3C recomendation for the button element you can read: Content model: Phrasing content, but there must be no interactive content descendant.
