If I use the javascript-function (see attachemt) to attach the jQuery-datepicker to a text-entry-question, then the datepicker only works if I reference jQuery via "look an feel/header". Here my code for the header: <link href="https://code.jquery.com/ui/1.11.1/themes/ui-lightness/jquery-ui.css" rel="stylesheet" /> <script src="https://code.jquery.com/jquery-1.12.4.js"></script> <script src="https://code.jquery.com/ui/1.11.1/jquery-ui.js"></script> And here's my question: Why do i have to reference jQuery in the header, even though jQuery is integrated in qualtrics? Does anyone have an explanation for this? Maybe I am doing something wrong. Thanks in advance and a nice weekend.

@Ingo,I think jQuery or jQueryUI is logging the jQueryUI version. Maybe because it is older or doesn't match the current jQuery version. You could load jQuery UI 1.12:```<link href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css" rel="stylesheet" /><script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>```

You need to reference the jQuery UI in the header since that isn't loaded by Qualtrics (your first and third lines). You shouldn't need to load jQuery itself (your second line).

jQuery datepicker does not work | Experience Community

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