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mongodb mongoose update an element in an array of objects

model.updateOne(
    { _id: "abcxyz", "items._id": "deflmn" },
    {
        $set: {
            "items.$.name": "new_name",
            "items.$.value": "new_value",
         }
    }
)
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updating an array of object in mongoose

Person.update(
   {
     _id: 5,
     grades: { $elemMatch: { grade: { $lte: 90 }, mean: { $gt: 80 } } }
   },
   { $set: { "grades.$.std" : 6 } }
)
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update an array element with an array in mongoose

db.inventory.updateOne(
   { _id: 2 },
   { $addToSet: { tags: { $each: [ "camera", "electronics", "accessories" ] } } }
 )
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