版本：3.8.1
- https://cdn.bootcdn.net/ajax/libs/cytoscape/3.8.1/cytoscape.esm.js
- https://cdn.bootcdn.net/ajax/libs/cytoscape/3.8.1/cytoscape.min.js
- https://cdn.bootcdn.net/ajax/libs/cytoscape/3.8.1/cytoscape.umd.js
Graph theory (a.k.a. network) library for analysis and visualisation