Multiselect Plugin for Bootstrap 5
dashboardcode.BsMultiSelect("#myElement");
$("#myElement").bsMultiSelect(); // jquery
How to:
Add columns to css or css-from-js:
$("select[multiple='multiple']").bsMultiSelect({ cssPatch : { choices: {columnCount:'3' }, }, isNoResultsWarningEnabled : true // noResultsWarning = "No results found"; // default });