DateTime Conversion OH3 JavaScript

I finally figured out #4 (Get Java Time from DateTimeType) based on this:
Timeconversion: Astro Binding (DateTime) to Date() javascript object

For short: items["myItemName"].getZonedDateTime() does the trick.

And here is the related javascript example from there:

var ZonedDateTime = Java.type("java.time.ZonedDateTime");

if(ZonedDateTime.now().isAfter(items["MyDateItem"].getZonedDateTime())) {
    // do something
}
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