how can i click a button popup datepicker panel?

[RunningV]

i want to click a button then popup the datepicker from the bottom, but ur datepicker default datepicker>input focus then show the datepicker panel, hwo can i use it to satisfy my purpose?

[charliekassel]

You should be able to call the showDayCalendar() method as you can see in the tests:
https://github.com/charliekassel/vuejs-datepicker/blob/master/test/specs/Datepicker.spec.js#L116-L123