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[Bug 14813] New: Prototype of interface objects is Object.prototype in implementations, not Function.prototype

From: <bugzilla@jessica.w3.org>
Date: Sun, 13 Nov 2011 17:23:44 +0000
To: public-script-coord@w3.org
Message-ID: <bug-14813-3890@http.www.w3.org/Bugs/Public/>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=14813

           Summary: Prototype of interface objects is Object.prototype in
                    implementations, not Function.prototype
           Product: WebAppsWG
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: minor
          Priority: P2
         Component: WebIDL
        AssignedTo: cam@mcc.id.au
        ReportedBy: ayg@aryeh.name
         QAContact: member-webapi-cvs@w3.org
                CC: mike@w3.org, public-script-coord@w3.org


4.5.1: "Interface objects are always function objects."

4: "If an object is defined to be a function object, then it has
characteristics as follows:

* Its [[Prototype]] internal property is the Function prototype object."

data:text/html,<!doctype html>
<script>
alert(Object.prototype.isPrototypeOf(Node));
alert(Function.prototype.isPrototypeOf(Node));
</script>

alerts "true", then "false" in all browsers tested: IE9, Firefox 9.0a2, Chrome
16 dev, Opera 12.00.  (I wasn't able to double-check in IE9 right now, but I
believe its behavior matches too.)  WebIDL needs to define that the prototype
of interface objects is Object.prototype, not Function.prototype, unless I'm
missing something.

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Received on Sunday, 13 November 2011 17:23:50 UTC

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