represents an object whose value in a Dynamic should be refreshed at times specified by the options opts.


specifies that the value of expr should never automatically be refreshed.

Details and Options


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Basic Examples  (1)

Make a dynamically updating clock:

Scope  (2)

By default, Dynamic updates as fast as possible:

Control the update using TrackedSymbols and UpdateInterval:

Update only when updates in a Manipulate:

Use UpdateInterval to specify how often should update:

Introduced in 2007