Moving String.prototype.substr to normative part of the spec

Allen Wirfs-Brock allen at wirfs-brock.com
Fri Aug 3 09:58:57 PDT 2012


substr is in Annex B, which in ES5.1 is an informative annex.  In ES6, the content of Annex B will be optional normative.  Required for web user agents, but optional for other hosts.

Allen
On Aug 3, 2012, at 9:24 AM, David Bruant wrote:

> Hi,
> 
> A code joke from a colleague [1] revealed [2] that String.prototype.substr is not part of ES5.1 as normative.
> Kangax tables indicate that this property is in all modern browsers [3].
> I think it'd be worth moving this method to the normative part of the spec and that tests be added to test262 (since tests are on a chapter basis, I assume there is currently none for this method).
> 
> David
> 
> [1] https://twitter.com/g_marty/status/231404856492036096
> [2] https://twitter.com/mathias/status/231418712580845568
> [3] http://kangax.github.com/es5-compat-table/non-standard/
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