Documentation is available in the header files, `Has` will return true 
whether the property is attached on the concrete object, or on the object 
prototype, while HasOwnProperty will return true only if the property is 
available on the object instance, but not on the prototype.

On Thursday, December 8, 2016 at 12:48:47 AM UTC+2, kent williams wrote:
>
> If this is documented anywhere, I haven't found it.
>
> What is difference between v8::Object::Has() and 
> v8::Object::HasOwnProperty()?
>
> for example:
>
> var x = { HasThisProperty : true };
>
> Both functions return true.
>
> What would be a case where one was true and the other false?
>
>

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