# number setInterval(function callback, number delay, any rest)
with Promise style call: Not supported
Mini Program plugin:: Support
Set a timer. Executes registered callbacks for a specified period (in milliseconds)
# parameter
# function callback
callback
# number delay
Time interval between execution of callback functions, unit ms。
# any rest
param1, param2, ..., paramN They are passed as arguments to the callback function.
# Return value
# number
The number of the timer. This value can be passed to clearInterval To cancel the timer.