I know it is possible to access shelf variables when exporting a PsychoPy builder experiment to Pavlovia using some custom javascript code. Is it also possible to access shelf variables when uploading a jsPsych experiment on Pavlovia? I could not find any documentation on this so far? Thanks for a…

For anyone who’s interested I may have a solution to the jsPsych access shelf problem. A modified version of Christophe’s min working example, <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Document</title> <!-- PsychoJS Dep…

Have you tried using the JavaScript code? [image] Wakefield's Daily Tips Blog How to use the Pavlovia Shelf If you want to store and reuse information during a single session, you should just use a variable (such as a list or dictionary). On the other hand, if…

To follow up, it’s possible in principle using the PsychoJS library, which you have access to anyway if you’re running the experiment on Pavlovia. You might need to reference the psychoJS source code in your header, e.g., <script src="lib/psychojs-2024.2.2.js"></script> but if you do that you sho…

Thanks for the info @wakecarter and @jonathan.kominsky , I was not aware that you could still use the psychojs module within a jsPsych experiment. I will try it out and keep you updated!

Hi Christophe, I have the same issue. Did you manage to get wakecarter and jonathan’s suggestions to work? I have included <script src="lib/psychojs-2024.2.2.js"></script> in my header but I get error “Uncaught ReferenceError: PsychoJS is not defined” when I try to create a psychoJS object at the…

Hi oi-griffits, No we were not able to solve it yet. We reduced it to a minimal version where in addition to having the jsPsych scripts, we only add the script tag that you are referring to, but are not referencing the PsychoJS module in our code. <script src="lib/psychojs-2024.2.2.js"></script> T…

Hi Christophe, Thank you for your response. Much appreciated! Your code you posted in your reply was going to be my next step but that is dispiriting to hear you couldn’t import the psychojs module. I will try a minimal example myself and post an update if I find a solution. Incidentally did you …

jPsych: Access shelf

Online experiments jsPsych

wakecarter March 13, 2025, 12:37pm 2

Have you tried using the JavaScript code?

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jPsych: Access shelf

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