I hope Timer can achieve not running at the beginning

[noontee0]

What I think is that the timer module does not trigger the function at the beginning of the loop state, and only triggers the first time after an interval. This feature is important when using timer with ui.refreshable, otherwise the page will instantly refresh twice when it loads. I don't have a programming method to implement a timer delay loop, so I want the timer to have a parameter that can prevent the timer from triggering for the first time.

[noontee0]

This can be achieved through a function