Available in all subroutines.
Computes the largest integer value less than or equal to the given value.
In other words, round
x towards negative infinity.
For example, 2.2, 2.5, and 2.7 all floor to 2.0.
math.NAN, a NaN will be returned.
x is integral, ±0,
x itself is returned.
Otherwise, the rounded value of
x is returned.
Try it out
math.floor is used in the following solution recipes, which show real world use cases. Click RUN to provision a Fastly service, execute the code on Fastly, and see how the function behaves.
Geofencing / geoblocking content by region
Group countries to cache content by custom regions or reject requests from some regions entirely.
User contributed notes
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