Slow css :hover behavior on IE7 with large datatable
----------------------------------------------------
Key: RF-9416
URL: https://jira.jboss.org/browse/RF-9416
Project: RichFaces
Issue Type: Bug
Security Level: Public (Everyone can see)
Affects Versions: 3.3.2.SR1
Environment: Windows XP. IE 7. Apache MyFaces JSF 1.2.8. Facelets.
Richfaces 3.3.2.SR1
Reporter: Alan Chan
Slow browser response when scrolling a large table with about 300 rows on IE7.
It is because there is a :hover css class defined on a non-anchor (<a>)
element. Removed it solved the problem. No problem for FF and Chrome.
e.g. in the attached sample html, the below class will make the page scrolling
very slow, even no DOM element applied this class.
<style type="text/css">
.foo.bar:hover {
BACKGROUND-COLOR: #0000FF
}
</style>
Searched the css in RF 3.3.2.SR1, below class caused the problem:
.rich-list-shuttle-button-selection:hover
.rich-link:hover
Reference:
http://west-wind.com/weblog/posts/354547.aspx
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