Since you are loading with just google.charts.load('current'), and no
packages, the ChartWrapper must dynamically load the code for the charts
that you then draw. That doesn't appear to be a problem, however.
I see two paths into your drawGraphs() function, once in your mainFunction,
in response to a 'change' event, and once in your makeQuery response
handler. The first call I see, which causes an error, is due to the
'change' event, so perhaps you should figure out how to defer setting up
the 'change' handler.
On Mon, Jun 12, 2017 at 2:32 PM, 'Ray Thomas' via Google Visualization API <
[email protected]> wrote:
> I'm not sure that is the solution, or if it is, I don't see how.
>
> The dropdowns to change the graph type work properly.
>
> but if I add
>
> for (i = 0; i < graphArray.length; i++) {
> graphArray[i].graphtype = "Bar";
> drawGraphs(graphArray[i]);
>
> to the mainFunction then Chrome's debugger reports a JSON Promise error in
> the first datatable ( graphArray[0] ). however it does draw it then stops,
> i=1 never happens.
>
> To add to my confusion, the dropdowns to change the graph type continue to
> work properly even after the loop just halts - and those use the same
> stored datatables
>
> Here's the amnded JSFiddle - https://jsfiddle.net/brisray/qsgewt2d/3/
>
> Ray
>
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Daniel LaLiberte <https://plus.google.com/100631381223468223275?prsrc=2>
[email protected] <[email protected]> 5CC, Cambridge MA
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