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mongoose delete property
By 
florinrelea
on Nov 01, 2020
florinrelea
on Nov 01, 2020
User.collection.update({_id: user._id}, {$unset: {field: 1 }});2
mongoose remove element from array
By Lonely Louse
on Oct 14, 2020
Lonely Louse
on Oct 14, 2020
db.survey.update( // select your doc in moongo
{ }, // your query, usually match by _id
{ $pull: { results: { $elemMatch: { score: 8 , item: "B" } } } }, // item(s) to match from array you want to pull/remove
{ multi: true } // set this to true if you want to remove multiple elements.
)
Source: stackoverflow.com
1
mongoose remove document from array
By Amused Ant
on Apr 02, 2020
Amused Ant
on Apr 02, 2020
Favorite.updateOne( {cn: req.params.name}, { $pullAll: {uid: [req.params.deleteUid] } } )Source: stackoverflow.com
0
mongoose delete object from array
By Lonely Loris
on Apr 03, 2021
Lonely Loris
on Apr 03, 2021
doc.subdocs.push({ _id: 4815162342 }) // added
doc.subdocs.pull({ _id: 4815162342 }) // removed
Source: stackoverflow.com
0
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