[Webkit-unassigned] [Bug 38133] New: Can't select tr:first-child in table built with JS when element exists before first tr tag

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=38133

           Summary: Can't select tr:first-child in table built with JS
                    when element exists before first tr tag
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: quinntaylor at mac.com


Created an attachment (id=54320)
 --> (https://bugs.webkit.org/attachment.cgi?id=54320)
Sample HTML demonstrates problems with tr:first-child for JS-generated tables

I discovered that CSS rules that use tr:first-child don't work for tables built
up using JavaScript when there is an element (such as <caption> or <thead>)
that appears before the first <tr> tag. However, the rule works for me when an
identical table is specified in HTML. This behavior is problematic because one
would expect that the first row would be selectable regardless of how the table
is created.

I've attached an example HTML file that exhibits this problem. The issue occurs
for me in Safari 4, Mobile Safari 3.1.3, and the latest WebKit nightly. (FWIW,
Firefox 3.5.8 also fails identically.)

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