$max

Computes the maximum value from an array of elements. All elements must be comparable and of the same type.

Template

{ "maxNumber": { "$max": [1,2,5,4,3] } }
{ "maxString": { "$max": ["aaa", "zzz", "ggg"] } }

Output

{ "maxNumber": 5 }
{ "maxString": "zzz" }