fullcalendar cannot read property 'fn' of undefined

Question

I embedded fullcalendar.min.js to my project, but I get this error:

error log show "Cannot read property 'fn' of undefined"

See picture below.

I checked this issue, it's suggested to use jQuery 2.0.0+, and for sure I use jQuery v3.3.1, but it does not help to solve problem.

Answer 1

That's because you have to load moment.js before fullcalendar.js!

Answer 2

The documentation should include a reference to moment.js

https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.2/moment.min.js

then the fullcalendar.js references:

https://cdnjs.cloudflare.com/ajax/libs/fullcalendar/3.9.0/fullcalendar.min.js https://cdnjs.cloudflare.com/ajax/libs/fullcalendar/3.9.0/fullcalendar.min.css https://cdnjs.cloudflare.com/ajax/libs/fullcalendar/3.9.0/fullcalendar.print.css