Ah, I missed that section. Thanks! > On Feb 10, 2016, at 11:29 AM, Kevin Smith <[email protected]> wrote: > > Is this a correct reading of the spec? Is this a bug in the spec? > https://github.com/tc39/test262/blob/master/test/built-ins/RegExp/Symbol.species/symbol-species.js > > <https://github.com/tc39/test262/blob/master/test/built-ins/RegExp/Symbol.species/symbol-species.js> > tests that the RegExp[Symbol.species] property is configurable. > Additionally, it appears to break at least one major webpage if > RegExp[Symbol.species] is not configurable. > > Check out the last two paragraphs of > https://tc39.github.io/ecma262/#sec-ecmascript-standard-built-in-objects > <https://tc39.github.io/ecma262/#sec-ecmascript-standard-built-in-objects>, > which specifies the default property attributes for the standard built-ins. > >
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