[Solved] Whats wrong with this HTML December 18, 2022 by Kirat [ad_1]You have a site where you load jQuery UI, but that is dependent on jQuery. Make sure you include that on the page before jQuery UI.<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> [ad_2]solved Whats wrong with this HTML