I also notice that the problem goes away if you leave the AnimationFrame subscription on. (Combined with the code change I suggested above, the program still behaves the same).
subs model = AnimationFrame.diffs Tick so it seems like the bug might be related to turning the subscription on and off. On Thu, May 26, 2016 at 5:30 PM, Nick H <[email protected]> wrote: > Hmm, it's not just unresponsive, it is crashing. In Firefox it crashes > with this console output: > > 17:24:41.933 TypeError: process.root is null > step() index.html:2342 > work() index.html:2458 > 1 index.html:2342:7 > > Chrome crashes at the same lines for the same reason. > > I couldn't find a relevant issue on Github. Maybe this should be opened? > > On Thu, May 26, 2016 at 4:37 PM, Fernando Alegre < > [email protected]> wrote: > >> Nick: Changing the code as you suggested does not fix it. There is a race >> condition that is going on at some level below, either on the Elm runtime >> or the browser code. >> >> Please try it, and you see that even with your suggestion, the program >> will become unresponsive after clicking a dozen times or so. This looks >> serious. >> >> >> >> On Thursday, May 26, 2016 at 9:57:46 AM UTC-5, Fernando Alegre wrote: >> >>> I may have found a possible race condition in Elm. It is illustrated >>> here: <script src=" >>> https://gist.github.com/alphalambda/448099e95858b0ffc91fd41fdb1b437a.js >>> "></script> >>> >>> If you click several times on the Pause/Resume button, it becomes >>> unresponsive after a while. >>> >>> I am using Google Chrome, so it may be a race condition in Chrome's >>> event handler. I am not sure. Any hints? >>> >>> Thanks >>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "Elm Discuss" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "Elm Discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
