Ben,
Say if my class is called ValueIterator, and "it" is an instance of it, if
I do:
> Object.prototype.toString.call(it);
[object ValueIterator]
> it instanceof ValueIterator;
(shell):1: ReferenceError: ValueIterator is not defined
it instanceof ValueIterator;
^
ReferenceError: ValueIterator is not defined
at (shell):1:15
On Thursday, June 26, 2014 9:12:09 PM UTC-7, Ben Noordhuis wrote:
>
> On Thu, Jun 26, 2014 at 6:48 PM, Jane Chen <[email protected]
> <javascript:>> wrote:
> > I have an object instantiated from a template, which has a class name
> set.
> > When I do instanceof on it in JavaScript, it only shows it's an object,
> but
> > not of my class. My class seems unknown. Does v8 provide a callback
> API
> > for instanceof? Or object is the best you can get?
>
> You mean `(new YourClass instanceof YourClass) === false`? What does
> `Object.prototype.toString.call(new YourClass)` print?
>
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