A semi-related question, are the built-ins in global not enumerable for 
some reason ?

Basically the following code does not iterate over things like typed array 
constructors. Am I doing something wrong here ?

auto g = context->Global();   
>
Local<Array> props = g->GetPropertyNames();
> const uint32_t length = props->Length(); // length is always 0 in a clean 
> context
>
>
On Wednesday, April 11, 2018 at 7:30:00 PM UTC+8, YJ wrote:
>
> Thanks Ben. Will give that a shot.
>
> I had experimented with interceptors but unfortunately I can't seem to 
> return a normal global object from inside an global interceptor as 
> accessing a property triggers that interceptor again.
>
> On Wednesday, April 11, 2018 at 5:13:37 PM UTC+8, Ben Noordhuis wrote:
>>
>> On Wed, Apr 11, 2018 at 6:58 AM, YJ <yang....@celigo.com> wrote: 
>> > Hi v8-users, 
>> > 
>> > In certain situations we want user scripts to run in a context where 
>> the 
>> > scripts don't get to use some of the newer ECMAScript features, for 
>> > instance, Atomics, typed arrays etc. What is the recommended way to 
>> achieve 
>> > that? 
>> > 
>> > Any pointers are appreciated. 
>>
>> Delete the corresponding globals from the global object 
>> (`v8::Context::Global()`) before you start executing JS code.  Won't 
>> work for everything but will work for most things. 
>>
>

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