mongodb find item in array code example

Example 1: search inside array with object mongodb

db.users.find({awards: {$elemMatch: {award:'National Medal', year:1975}}})

Example 2: find object in array mongodb

db.users.findOne({"_id": id},{awards: {$elemMatch: {award:'Turing Award', year:1977}}})

Example 3: mongodb find array with element

// Finds all documents that have a property named "tags"
// which has at least one array element matching "red"
db.inventory.find( { tags: "red" } )

Example 4: mongodb array field contains

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

Example 5: find string element in an array mongodb

db.articles.find({
    "stock.country" : "01",
    "stock.warehouse.code" : "02"
}).pretty();

Example 6: mongo array

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