• https://cdn.bootcdn.net/ajax/libs/can.js/5.0.0-pre.1/can.js
• https://cdn.bootcdn.net/ajax/libs/can.js/5.0.0-pre.1/can.min.js
• https://cdn.bootcdn.net/ajax/libs/can.js/5.0.0-pre.1/can.min.js.map