• https://cdn.bootcdn.net/ajax/libs/sockjs-client/1.3.0/sockjs.js
• https://cdn.bootcdn.net/ajax/libs/sockjs-client/1.3.0/sockjs.js.map
• https://cdn.bootcdn.net/ajax/libs/sockjs-client/1.3.0/sockjs.min.js
• https://cdn.bootcdn.net/ajax/libs/sockjs-client/1.3.0/sockjs.min.js.map