How can I get js and css for datapicker UI only?

Question

JavaScript

How can I get js and css for datapicker UI only?
The problem is that jquery UI Builder does not work for me, as soon as I unchecked all the checkboxes and put the datapicker on, I click on download and I get this error:

Maybe it's just me, then maybe someone will download the files instead of me and drop me I will be grateful , or tell me the solution if you know.