URL of experiment: https://run.pavlovia.org/marchesini.id/comportamientolinguistico_pilot3/html/ Description of the problem: I’ve been searching how to detect the participant’s OS in which he/she is running the experiment but found nothing. I only found 2 possible codes in JS but I think I can’t j…

[image] imarchesini: platform = window.navigator.platform Hi @imarchesini , this is fine. In a code component, select the code type as JS (or both, where JS is on the right hand panel), and paste the following to have the OS printed to the browser console (press F12 to see developers tools, an…

For this to be saved in the data file it presumably needs to go into either expInfo, so it will be saved alongside every data line like participant id and date. Something like this (untested): expInfo['OS'] = window.navigator.platform; @imarchesini this can certainly be added as a code component (…

[image] jon: we should also add to the Builder-generated scripts. Done, see ENH: Add current OS to PsychoJS data files by dvbridges · Pull Request #2510 · psychopy/psychopy · GitHub

Hi, I would like to store information about the browser and OS used by subjects. From the conversation above, I gathered this was already implemented in the Builder for detecting the OS, but I couldn’t figure out whether this is automatic or some option must be selected in the Builder. Regarding t…

You should be able to detect the browser using this function: function getBrowserId () { var browsers = ["MSIE", "Firefox", "Safari", "Chrome", "Opera"]; sUsrAg = window.navigator.userAgent, nIdx = browsers.length - 1; for (nIdx; nIdx > -1 && sUsrAg.indexOf(browsers [nIdx]) === -1; …

Thanks! So, to store both browser and OS used in the data file, I should just put it in the ExpInfo dictionary, right? Since I am currently using the entries in ExpInfo for my diag box, will the browser/OS infos appear in the diag box too? If so, how can I avoid that?

Can anybody help? I added the two info as part of the expInfo dictionary: var sUsrAg; var nIdx; function getBrowserId () { var browsers = ["MSIE", "Firefox", "Safari", "Chrome", "Opera"]; sUsrAg = window.navigator.userAgent, nIdx = browsers.length - 1; for (nIdx; nIdx > -1 && sUsrAg…

You could move the new expInfo entries after the call to the dialog box and they will not be included. If the data is not saving, then make explicit calls to save the data e.g.: psychoJS.experiment.addData("OS", expInfo['OS']);

I finally got the chance to test this. If others want to put OS and browser information on the output data files of subjects, this can be done as follows: // open window: psychoJS.openWindow({ fullscr: true, color: new util.Color([0, 0, 0]), units: 'norm' }); // the function below detects th…

Hello! I am very sorry, I am very new to this and a basic python user. Where and how can we implement this function and if it is available in BUILDER? I need the browser info Many thanks

How can I detect participant's OS?

Online experiments

dvbridges July 24, 2020, 5:07pm 13

@dalhe, you could use a code component, and in the Begin Experiment tab:

psychoJS.experiment.addData("OS", window.navigator.platform(

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How can I detect participant's OS?

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