code mirror cdn code example
Example: codemirror cdn
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.32.0/codemirror.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.32.0/codemirror.min.css" />