How do I check if an element of an array belongs to another array in Mongoose? For example, I have a document:
const userSchema = new mongoose.Schema({
name: String,
favor:Array
})
user1 = {
name:'John',
favor : ['banana', 'apple', 'eggs'].
}
user 2= {
name:'Ethan',
favor : ['apple', 'eggs'].
}
and I have an Array
const array = ['eggs', 'banana']
I want to get user1. How can I do with mongoose?
You should use $all
operator for this scenario
db.collection.find({
favor: {
$all: [
"eggs",
"banana"
]
}
})
https://docs.mongodb.com/manual/reference/operator/query/all/