Using embedded data to count how many times spacebar is pressed

@merle The JS template already have onPageUnload,  this.addOnPageSubmit is kinda not a thing.
Your code did count the key press correctly but not saving it after unload the page. Try this one instead

Qualtrics.SurveyEngine.addOnload(function() {
    var spacebarCount = 0;

    function keydownHandler(event) {
        var code = event.code || event.keyCode;
        if (code === 'Space' || code === 32 || event.key === ' ') {
            spacebarCount++;
            Qualtrics.SurveyEngine.setEmbeddedData("SpacebarClicks", spacebarCount);
        }
    }

    document.addEventListener('keydown', keydownHandler);

    Qualtrics.SurveyEngine.addOnUnload(function() {
        document.removeEventListener('keydown', keydownHandler);

    });
});

Dear @Nam Nguyen , thanks for your fast reply! I just tried it but unfortunately the output for SpacebarClicks as well as SpacebarClicksNumeric is still empty in the CSV export.

Do you have any other idea what’s wrong here? I’m trying to fix this issue for 3 weeks now and can’t believe such a simple task of measure is so complex to code :(

@merle Are you using Simple Layouts?

Yes! Anything to change here?

@merle In that case, use this code, just change the setJSEmbeddedData

Qualtrics.SurveyEngine.addOnload(function() {
    var spacebarCount = 0;

    function keydownHandler(event) {
        var code = event.code || event.keyCode;
        if (code === 'Space' || code === 32 || event.key === ' ') {
            spacebarCount++;
            Qualtrics.SurveyEngine.setJSEmbeddedData("SpacebarClicks", spacebarCount);
        }
    }

    document.addEventListener('keydown', keydownHandler);

    Qualtrics.SurveyEngine.addOnUnload(function() {
        document.removeEventListener('keydown', keydownHandler);

    });
});

Name your embedded data like this: __js_SpacebarClicks
 

I did it exactly like you said, but for some reason the output is still empty for __js_Space… und SpacebarClickNumeric. Any other idea? Sorry this is so complicated and takes so much effort :(

@merle Did you change the code, it’s now setJSEmbeddedData

Yes I did, I copied the code from your reply and inserted it into the JavaScript for the question

@merle It’s worked on my side. I don’t know what happened to yours. Export the QSF and let me take a look at it. Also, you don’t need the equation * 1 for the numeric. Just straight up assign it

Dear Nam,

thanks you so much for all your effort on this!!! And sorry, I assume the problem is on my side, I am really new to all of this.

Please find attached the text from the QSF doc.

Looking forward to your reply!

Thanks a lot for your help here anyways!