[Webkit-unassigned] [Bug 217751] New: MediaQueryList serialization order is inconsistent.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=217751

            Bug ID: 217751
           Summary: MediaQueryList serialization order is inconsistent.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: emilio at crisal.io

See also https://bugs.chromium.org/p/chromium/issues/detail?id=1138859

If you run: window.matchMedia('(max-width: 100px) and (max-aspect-ratio: 1/1)').media

You get back: (max-aspect-ratio: 1/1) and (max-width: 100px)

Instead of the expected original order.

Per https://drafts.csswg.org/cssom-view/#mediaquerylist-media -> https://drafts.csswg.org/cssom/#serialize-a-media-query-list:

> Serialize each media query in the list of media queries, in the same order as they appear in the media query list, and then serialize the list. 

Seems like Gecko is correct and the order shouldn't change.

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