Explorer 7 beta - preliminary notes

Despite being terrifyingly busy I found the time for some basic IE 7 beta checks this weekend. In general all CSS issues that Microsoft promised to solve have been solved, with the partial exception of the [attr] selector. The beta refuses to honour p[align=right] {font-style: italic;}. I updated my CSS compatibility table for the second time in two weeks.

I also went through all Explorer Windows bug reports and determined whether they were solved in the beta or not. I found that 58 old bugs have not been solved. See the Explorer 5-6 Windows and the Explorer 7 beta 2 category pages for more information. I also took the opportunity to remove a few reports that were orphaned for more than two months.

Finally, in JavaScript nothing much seems to have changed, although the crash on the normalize() method has been solved. I haven't yet done the rigourous DOM tests, that'll have to wait for another time.

This is the blog of Peter-Paul Koch, mobile platform strategist, consultant, and trainer. You can also follow him on Twitter.
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1 Posted by Alex Lein on 13 February 2006 | Permalink

a few comments from the IE7 chat I saved for any interested parties that were unable to attend.
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Dave Massy [MSFT] (Moderator):
Q: [225] what version of ECMA javascript IE7 final will support? 1.4 ? 1.5 ?
A: we are not expecting any changes in JScript support in IE7. This is definitely something we want to address in a future release but for IE7 we needed to prioritise our work for developers around the CSS issues.

Dave Massy [MSFT] (Moderator):
Q: [200] In your blog posts you haven't discuessed Javascript changes too much (with the XMLHTTPRequest being an exception), will you plan to improve your JS support? Will you add support for standard methods like obj.addEventListener(), obj.watch()?
A: We aren't expecting any additions to JScript in IE7. We have heard the requests and want to concentrate on script engine improvements in the future. We know we have plenty of work to do here

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so, looks like any improvement in IE7 javascript will be reseved for 7.1 or 8.0.
:(

2 Posted by TarquinWJ on 10 March 2006 | Permalink

I have been putting it through a few tests, and found some issues with combined selectors. It seems not to like combinations of CSS 2 selectors and pseudo classes, so this fails:

#content > h2:first-child

I also had trouble with combining * and > or + selectors, so this matched nothing:

* > elementname

Not sure if it is just the way I was using them, but the selectors worked fine in other browsers. (This may be a result of them being a bit over-zealous when fixing the '* html' hack, but I was not using a hack.)

3 Posted by Tino Zijdel on 13 March 2006 | Permalink

TarquinWJ: are you sure you were testing IE in standards compliant mode and not in quirksmode?