Re: How is the hover pseudo-class translated into the DOM?

Na , Yansky <thegooddale@gmail.com> escreveu:

>
> Hi, I was wondering about the :hover pseudo-class in style rules and how  
> that translates into the DOM. Is it translated into the browser as a  
> Javascript-type mouseover event? Would it be possible to read the style  
> rules set to the hover pseudo-class via onmouseover?
>
> Cheers,
> Yansky.

mouseover/mouseout are fired if the mouse is moved either over a child of  
the target or another node in the document tree, so you need to check if  
the element to where the mouse is going is a descendant of the previous  
node. Like, onmouseover, check that target is a descendant of  
relatedTarget.
Then, since :hover styles are applied dynamically, without any script  
intervention, you can read the computed styles for some element in the  
DOM, using getComputedStyle(...)