810f289d_AutoCompleteJS___Documentation__Description
[Property / Type] noResultsHTML String or Function [Required] no [Default] 'No results found.' [Description] 
An HTML string to display when there are no options to show. If noResultsHTML is a function, the first argument is the text that the user has entered and the second argument is the current value of the AutoComplete widget. The function should return an HTML string. noResultsHTML will never be shown when allowFreeform is true.
AutoCompleteJS » Documentation
Description