I'm using this CDN
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.js"></script>
and in parallel two others cdn
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.12.4/jquery.min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.16.0/moment.min.js" type="text/javascript"></script>
If one is working and another not working how can I implement these two or more cdn.