I’d like to calculate the difference between two dates: the current date, and the date of an upcoming appointment. I want the difference in days to be set as embedded data. So in the Survey Flow, I created the "Days" embedded data field and applied the following javascript to the survey question that collects the upcoming appointment date (QID190). However, the "Days" column is not populating when I run preview tests. Can you help me identify my error(s)?

You can use the following code:var startdmy = new Date("${q://QID8/ChoiceTextEntryValue/1}").getTime();var enddmy = new Date("${q://QID10/ChoiceTextEntryValue/2}").getTime();var diff = parseInt(enddmy - startdmy);var days = diff/1000/60/60/24;Qualtrics.SurveyEngine.setEmbeddedData("Days", days);

Are there errors in my javascript? | Experience Community

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