Hi there, I have a problem with the Firefox browser detecting certain keys as defined in the builder. More than happy to provide more info if necessary. At the moment, I have no idea how to proceed. My first online experiment uses the “A” and the “L” keys as main response keys. I thus added a keyb…

Thanks for your response! It did unfortunately not do the trick. …I however realized that I still had the Firefox Vimium Addon active. Apparently, it suppresses the L key but not the A key. Deactivating it now fixed my issue. I had no idea how fragile scripting in JS for browsers is.

Some keys do work in Edge but not in Firefox

Online experiments

wakecarter June 9, 2020, 8:31am 2

Please could you try adding KeyL and KeyA as additional valid responses. I’m not sure if this solution is still relevant but I got it from here: Problem running an online study

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Some keys do work in Edge but not in Firefox

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