Internal
'$in' operator expression. Tests for an attribute to be equal to at least one value in a list of values.
{a: {$in: [1,2,3,4]} } Copy
{a: {$in: [1,2,3,4]} }
This is semantically equivalent to:
{$or: [{a:{$eq:1}},{a:{$eq:2}},{a:{$eq:3}},{a:{$eq:4}}]}} Copy
{$or: [{a:{$eq:1}},{a:{$eq:2}},{a:{$eq:3}},{a:{$eq:4}}]}}
Readonly
List of values to check against.
'$in' operator expression. Tests for an attribute to be equal to at least one value in a list of values.
This is semantically equivalent to: