The sleep command suspends further processing until the specified time expression is exhausted or reached.
D3 supports the specification of milliseconds in expression. For example, to sleep for one and a half seconds, the user can use sleep 1.5.
sleep expression
| expression | Specifies the number of seconds to suspend processing or the
time to resume processing in the format hh:mm{:ss}.
|
Puts the process to sleep for 10 minutes.
sleep 600
Puts the process to sleep until one second before midnight.
sleep 23:59:59