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Re: [Json] Call for real-world examples of how parsers deal with duplicate keys

Allen Wirfs-Brock <allen@wirfs-brock.com> Thu, 06 June 2013 19:51 UTC

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From: Allen Wirfs-Brock <allen@wirfs-brock.com>
In-Reply-To: <BF7E36B9C495A6468E8EC573603ED9411527E77E@xmb-aln-x11.cisco.com>
Date: Thu, 06 Jun 2013 12:51:41 -0700
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References: <C79C116D-16A4-41BA-9E5A-1055E6B9C941@vpnc.org> <BF7E36B9C495A6468E8EC573603ED9411527E77E@xmb-aln-x11.cisco.com>
To: Matt Miller <mamille2@cisco.com>
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Cc: Paul Hoffman <paul.hoffman@vpnc.org>, "json@ietf.org" <json@ietf.org>
Subject: Re: [Json] Call for real-world examples of how parsers deal with duplicate keys
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On Jun 6, 2013, at 11:05 AM, Matt Miller (mamille2) wrote:

> On Jun 6, 2013, at 11:41 AM, Paul Hoffman <paul.hoffman@vpnc.org>
> wrote:
> 
> 
> 
> Experiments should always have a control!  I think we can consider this the control:
> 
> -----BEGIN JAVASCRIPT-----
> var input = '{"a":1,"a":2}';
> 
> var output;
> output = JSON.parse(input);
> output = JSON.stringify(output);
> 
> console.log(output);
> -----END JAVASCRIPT-----
> 
> # node.js 0.10.8
> {"a":2}
> 
> # Firefox 22
> {"a":2}
> 
> # Safari 6.5
> {"a":2}
> 
> # Chrome 27
> {"a":2}
> 

The ECMAScript standard requires the behavior shown above.

Allen

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