Thank you. That solves my question.

On Wednesday, October 3, 2018 at 8:08:06 PM UTC-7, Jakob Kummerow wrote:
>
> The purpose of d8's --isolate flag is to make it possible to test that 
> scripts in different isolates can indeed run without interference from each 
> other. Such scripts cannot communicate with each other (as the name 
> "isolate" implies).
>
> On Wed, Oct 3, 2018 at 6:44 PM Mingwei Zhang <mingwa...@gmail.com 
> <javascript:>> wrote:
>
>> I realize that I made a mistake. So d8 API does provide support for 
>> Worker and I suspect developers could use postMessage to talk with each 
>> other?
>>
>> But still, I think my question remains. For a command like:
>>
>> ./d8 a.js --isolate b.js
>>
>>
>> How does a.js talk with b.js. In Worker example, a.js could to b.js 
>> because a.js launches b.js, but in this case, a.js does not even know b.js 
>> exists.
>>
>>
>> Thanks. 
>>
>> On Wednesday, October 3, 2018 at 11:45:30 AM UTC-7, Mingwei Zhang wrote:
>>>
>>> Hi,
>>>
>>> I am wondering what is the purpose of the options "--isolate" for the 
>>> stand-alone binary d8. It is pretty interesting that the option '--isolate' 
>>> could be used to launch multiple JavaScripts and runtime them truly in 
>>> parallel. However, since JavaScript is single-threaded by design. This 
>>> puzzles to me that one JavaScript file may not talk to the other one.
>>>
>>> So my purpose is to run two JS files, say a.js and b.js. Now I use this 
>>> command:
>>>
>>> ./d8 a.js --isolate b.js
>>>
>>>
>>> Now, my question is could I make a.js be able to talk to b.js in some 
>>> way?
>>>
>>> Thanks. 
>>>
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