how to remove a value from array in mongodb code example
Example 1: mongodb remove from array
db.stores.update(
{ },
{ $pull: { fruits: { $in: [ "apples", "oranges" ] }, vegetables: "carrots" } },
{ multi: true }
)
{
_id: 1,
fruits: [ "apples", "pears", "oranges", "grapes", "bananas" ],
vegetables: [ "carrots", "celery", "squash", "carrots" ]
}
{
_id: 2,
fruits: [ "plums", "kiwis", "oranges", "bananas", "apples" ],
vegetables: [ "broccoli", "zucchini", "carrots", "onions" ]
}
Example 2: $pull mongoose
TemplateDoc.findOneAndUpdate(
{ userId: _id },
{ $pull: { templates: { _id: templateid } } },
{ new: true }
)
.then(templates => console.log(templates))
.catch(err => console.log(err));