check if array contains elements mongodb code example
Example 1: mongodb array field contains
db.inventory.find( { tags: ["red", "blank"] } )Example 2: mongodb array field contains
db.inventory.find( { tags: { $all: ["red", "blank"] } } )db.inventory.find( { tags: ["red", "blank"] } )db.inventory.find( { tags: { $all: ["red", "blank"] } } )