[Webkit-unassigned] [Bug 43224] New: "delete" on IDL attributes that reflect DOM attributes does not match Firefox/Opera

Thu Jul 29 18:00:23 PDT 2010

https://bugs.webkit.org/show_bug.cgi?id=43224

           Summary: "delete" on IDL attributes that reflect DOM attributes
                    does not match Firefox/Opera
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Minor
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: Simetrical+webkit at gmail.com

data:text/html,<!doctype html>
 <script>
 var el = document.createElement("a");
 delete el.id;
 alert(typeof el.id);
 </script>

Chrome dev channel (6.0.472.0 (Official Build 53024) dev, WebKit 534.3) outputs "undefined".  Firefox and Opera output "string".  Discussion in #whatwg concluded that the relevant spec here is WebIDL:

http://dev.w3.org/2006/webapi/WebIDL/

But no one who was awake was able to decipher what it actually required here.  WebKit seems like the one that's wrong here, but I'm not totally sure on that.

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