mongoose create client for each update code example

Example 1: mongoose find and update prop

var query = {'username': req.user.username};
req.newData.username = req.user.username;

MyModel.findOneAndUpdate(query, req.newData, {upsert: true}, function(err, doc) {
    if (err) return res.send(500, {error: err});
    return res.send('Succesfully saved.');
});

Example 2: Mongoose multi update req.body

Label.update({'_id': { $in: post.labelIds }}, {$addToSet: {postIds:req.body.id}}, {multi: true}).exec()

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Javascript Example

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