findone mongoose
// Find one adventure whose `country` is 'Croatia', otherwise `null`
await Adventure.findOne({ country: 'Croatia' }).exec();
// using callback
Adventure.findOne({ country: 'Croatia' }, function (err, adventure) {});
// select only the adventures name and length
await Adventure.findOne({ country: 'Croatia' }, 'name length').exec();findone mongoose
A.findOneAndUpdate(conditions, update, options, callback) // executes
A.findOneAndUpdate(conditions, update, options) // returns Query
A.findOneAndUpdate(conditions, update, callback) // executes
A.findOneAndUpdate(conditions, update) // returns Query
A.findOneAndUpdate() // returns Queryfindone mongoose
A.findOneAndDelete(conditions, options, callback) // executes
A.findOneAndDelete(conditions, options) // return Query
A.findOneAndDelete(conditions, callback) // executes
A.findOneAndDelete(conditions) // returns Query
A.findOneAndDelete() // returns Queryfindone mongoose
Model.findById(id, function (err, doc) {
if (err) ..
doc.name = 'jason bourne';
doc.save(callback);
});findone mongoose
A.findOneAndRemove(conditions, options, callback) // executes
A.findOneAndRemove(conditions, options) // return Query
A.findOneAndRemove(conditions, callback) // executes
A.findOneAndRemove(conditions) // returns Query
A.findOneAndRemove() // returns Queryfindone mongoose
A.findOneAndReplace(conditions, options, callback) // executes
A.findOneAndReplace(conditions, options) // return Query
A.findOneAndReplace(conditions, callback) // executes
A.findOneAndReplace(conditions) // returns Query
A.findOneAndReplace() // returns QueryCopyright © 2021 Codeinu
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