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Version: 3.27.2

CacheState.usable

The usable method of the CacheState interface returns true if the cached item is usable.

A cached item is usable if its age is less than the sum of the maxAge and staleWhileRevalidate periods.

Syntax​

usable()

Parameters​

None.

Return value​

A boolean which represents whether a cached item is usable or not.