hugo/docs/content/en/functions/collections/Shuffle.md

title	description	categories	keywords	action	related	aliases
collections.Shuffle	Returns a random permutation of a given array or slice.			aliases returnType signatures shuffle any collections.Shuffle COLLECTION	collections.Reverse collections.Shuffle collections.Sort collections.Uniq	/functions/shuffle

{{ shuffle (seq 1 2 3) }} → [3 1 2] 
{{ shuffle (slice "a" "b" "c") }} → [b a c] 

The result will vary from one build to the next.