Unserscore.js CDN

• http://underscorejs.org/
• https://github.com/documentcloud/underscore-contrib
• http://documentcloud.github.io/underscore-contrib/
• https://lodash.com/
• https://cdnjs.com/libraries/underscore.js/

<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.map"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore.js"></script>