Modifying the color of the initial day of an event on fullcalendar.io v5

Is there a way to change the background color of only the first day of an event, while keeping the rest of the days the default color? I came across the function

eventDidMount: function (event){ },

but I'm not sure how to specifically target and change the color of the first day. Can anyone provide guidance on how to achieve this?

I have included a JSFiddle link for reference:

https://jsfiddle.net/eud9wcos/

Answer №1

If you want to customize the background color of specific events, you can use the backgroundColor property within the event data. Simply include this property in the details of the first day's event in the json data.

events: [{
                "title": "03.11.21",
                "start": "2021-11-03T15:00:00",
                "end": "2021-11-03T15:00:00",
                "display": "background",
                "allDay": true,
                "backgroundColor":"red"
                 },
                 {
                "title": "08.11-12.11",
                "start": "2021-11-08",
                "end": "2021-11-13",
                "display": "background",
              "allDay": true
                }],

In addition, there is no need to define the eventDidMount callback anymore, as all remaining background events will automatically switch to the default color set by your requirements.

For more detailed information, please consult the official documentation.

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