Poor Performance with tables in Internet Explorer 8 Standards Mode

Question

When using a table with a reasonable amount of data - 100 rows by 50 columns - I notice that IE8 performance degrades unacceptably (only in IE8 standards rendering mode). The CP

Answer 1

While no explanation for the poor performance has been found, the behavior has been confirmed by other users (reducing the likelihood of an environmental issue).

It seems it is a core issue in the way IE8 deals with

style manipulation, and I will file a bug with the IE team. I already created a forum post on the Internet Explorer Development Forum which didn't yield any results thus far: http://social.msdn.microsoft.com/Forums/en-US/iewebdevelopment/thread/2afa46aa-16bb-4e65-be38-a6de19b2b2e9

There are however workarounds available for achieving a usable hover effect in IE8, the two most worth considering are:

• Replace the

solution with

and elements

Fake the hover effect by positioning a

element behind the transparent

as suggested by David Murdoch. A rudimentary proof of concept can be found at http://jsfiddle.net/YarnT/1/

I will post any updates here in case I learn anything new, or get a response from the IE team.

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