W3C home > Mailing lists > Public > www-style@w3.org > August 2012

[CSSOM] Behavior of setting .style.foo to null

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Tue, 28 Aug 2012 17:05:01 -0400
Message-ID: <503D327D.6070707@mit.edu>
To: www-style list <www-style@w3.org>
Consider this testcase:

     body { color: green; }
     Some text
       document.body.style.color = "red";
       document.body.style.color = null;

This renders the text green in WebKit and Presto and shipping Gecko, 
which all seem to treat null as empty string here.  It renders the text 
red in Trident, which seems to treat null as "null" here.

My initial WebIDL implementation for Gecko matches Trident, since that's 
the default WebIDL behavior for null.

Which behavior do we want here?  Is Trident willing to change to match 
the others?  Are WebKit and Presto willing to change to match Trident? 
I'd rather make a behavior change here only once, not twice, so it would 
be good to come to an agreement on what the desired behavior is.

Received on Tuesday, 28 August 2012 21:05:41 UTC

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