Livecode Demo of two way javascript communication?

[David Bovill]

Perfect - just what I was looking for. Can you share the stack, and the
steps to saving / exporting the standalone?

On Sat, 27 Jan 2024 at 17:50, Andreas Bergendal via use-livecode <
use-livecode at lists.runrev.com> wrote:

> OK, so here’s a quick proof of concept, with functions triggered from page
> to stack and from stack to page.
> It is not using postMessage, only 'standard’ javascript listeners. Works
> well on mobile too (at least iPhone).
>
> https://wheninspace.com/WebpageInteractionStack/
>
> If I find the time, it would be very interesting to try deploying two
> different stacks on the same page (is that even possible?), and then have
> them communicate with each other. Or have two stacks in two different
> pages, and have them communicate via postMessage calls…
>
>
> > 26 jan. 2024 kl. 17:15 skrev David Bovill via use-livecode <
> use-livecode at lists.runrev.com>:
> >
> > The scenario would be events like resize, or a button click in the html
> > page triggering a handler in the Livecode wasm export. The other way
> round
> > would ve a Livecode handler in the exported wasm widget calling a
> > javascriot function in the surrounding Web page.
> >
> > My understanding in other contexts is that you use the postMessage Web
> api
> > for this type of thing -
> >
> https://www.google.com/url?q=https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage&sa=U&ved=2ahUKEwiE5eCSufuDAxX7UkEAHbtmBvIQFnoECAoQAg&usg=AOvVaw09QGMScP0-9YwJuHAC-sIE
> >
> > Apart from triggering handlers in both directions passing (json) data in
> > both directions is needed.
> >
> > On Thu, 25 Jan 2024, 20:35 Andreas Bergendal via use-livecode, <
> > use-livecode at lists.runrev.com> wrote:
> >
> >> I’ve created some web deployments where the web page interacts with the
> >> stack e.g. in the sense that a change of the browser window rect
> triggers a
> >> resizeStack message in the stack.
> >>
> >> But I’m not sure if by bidirectional you mean that actions in the stack
> >> should also affect the web page in some way? Could you give an example
> of
> >> what you have in mind?
> >>
> >>
> >>> 24 jan. 2024 kl. 12:47 skrev David Bovill via use-livecode <
> >> use-livecode at lists.runrev.com>:
> >>>
> >>> Is there a demo out there for simple bidirectional interaction between
> a
> >>> web page and a recent stack exported as wasm? Anyone experimenting with
> >>> this?
> >>
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