Here is jsfiddle attempting to use jquery querybuilder with bootstrap 4.5
Referencing
https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.3/js/bootstrap.min.js https://cdn.jsdelivr.net/npm/jQuery-QueryBuilder/dist/js/query-builder.min.js
HTML
<div id="builder"></div>
JS to get it going
$('#builder').queryBuilder({
filters: [{id:1}]
});
Any ideas why I get
Uncaught TypeError: $.extendext is not a function
According to the docs the extendext js is included the dist and the only extras required should be jquery and bootstrap?