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Posted on:11 Jan 2023 16:40
Open demo page https://demos.telerik.com/php-ui/datepicker/index
select something in the first picker, then something in the second.
then open console and enter $('[id="nav-up"]')
result: collection has 2 elements, which is not compatible with HTML standards, which states that IDs should be unique per page.
Posted on:02 Jan 2023 11:50
Could you please share the DatePicker declarations that are on the same page?
I am not able to replicate this and this is also not present on the official demo page: