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Bug 15431 - getComputedStyle().transform should be explicitly required to return numbers for all entries, not lengths
Summary: getComputedStyle().transform should be explicitly required to return numbers ...
Status: RESOLVED DUPLICATE of bug 15797
Alias: None
Product: CSS
Classification: Unclassified
Component: Transforms (show other bugs)
Version: unspecified
Hardware: All All
: P2 normal
Target Milestone: ---
Assignee: Simon Fraser
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Reported: 2012-01-05 20:07 UTC by Aryeh Gregor
Modified: 2012-03-12 21:32 UTC (History)
6 users (show)

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Description Aryeh Gregor 2012-01-05 20:07:20 UTC 
Example:

data:text/html,<!doctype html>
<body style=transform:translate(5px)></div>
<script>alert(getComputedStyle(document.body).transform)</script>

If you substitute the appropriate prefixed property for both instances of "translate", IE9, Chrome 17 dev, and Opera Next 12.00 alpha all say "matrix(1, 0, 0, 1, 5, 0)".  Firefox 12.0a1 says "matrix(1, 0, 0, 1, 5px, 0px)".  Which is correct?  The spec suggests the first, but it doesn't say explicitly.  I suggest explicitly stating that a, b, c, d, e, and f are all numbers, not lengths.
Comment 1 Aryeh Gregor 2012-01-19 16:16:35 UTC 
Cf. bug 15628.  Even if that bug is FIXED, I think we should still omit the "px" from all matrix entries in getComputedStyle().  Adding the "px" doesn't seem to serve any purpose -- it's shorter without "px", a matrix without "px" works in more browsers right now, and all non-Gecko browsers omit the "px" already.

Mozilla bug: https://bugzilla.mozilla.org/show_bug.cgi?id=719446
Comment 2 Aryeh Gregor 2012-02-22 20:04:34 UTC 
All browsers agree now.  I'll make the change when I get CVS access.
Comment 3 Aryeh Gregor 2012-03-07 21:42:38 UTC 
This is moot given bug 15797 comment 10.  I'm leaving it open until that's resolved, though.
Comment 4 Aryeh Gregor 2012-03-12 21:32:39 UTC 

*** This bug has been marked as a duplicate of bug 15797 ***