mongodb filter array code example

Example 1: mongodb find element in array

db.yourCollection.find( { array: "element" } )

Example 2: mongodb array field contains

db.inventory.find( { tags: { $all: ["red", "blank"] } } )

Example 3: mongoose query using an arry

var query = PUser.find({'userID': {$in:array}});

Example 4: mongo array

db.inventory.find( { tags: ["red", "blank"] } )