it's not work

[nighter233]

it's not work

[nighter233]

Uncaught ReferenceError: Diagram is not defined
at localhost/:464

[HelenZhangLP]

<script src="https://cdn.bootcdn.net/ajax/libs/lodash.js/4.17.20/lodash.core.min.js"></script> <script src="https://cdn.bootcdn.net/ajax/libs/raphael/2.3.0/raphael.min.js"></script>