Nestable jQuery plugin - disable dragging between lists

I would like to disable dragging between two lists in jQuery nestable plugin.

There is an option group in documentation https://github.com/RamonSmit/Nestable

group group ID to allow dragging between lists (default 0)

So I change that to element id

$('.dd').nestable({
    maxDepth: 1,
    group: $(this).attr('id')
});

But it's not working. User can drag and drop items between two nestables as he wants.

Answers:

Answer

In your current code, this refers to the parent scope, somethings like window or document, not .dd.

You have to call nestable for each list, try this:

$('.dd').each(function(){
    $(this).nestable({
        maxDepth: 1,
        group: $(this).prop('id')
    });
});

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