mongo query inside array code example

Example 1: mongodb find element in array

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

Example 2: how to get array object value in mongodb

db.test.aggregate([
    {$match: {'shapes.color': 'red'}},
    {$project: {
        shapes: {$filter: {
            input: '$shapes',
            as: 'shape',
            cond: {$eq: ['$$shape.color', 'red']}
        }},
        _id: 0
    }}
])