[PDF] Mongoose static methods vs instance methods - Stack Overflow

Why do static methods refer to an instance method?

They can refer to an instance method if an object instance of passed to the static method. Because static can be used without any instance of the class. For example, when you use Integer.parseInt (...), you are calling it using the name of the class Integer, you never created an instance.

What are statics in mongoose?

Statics are Mongoose's implementation of OOP static functions . You add a static function to your schema, and Mongoose attaches it to any model you compile with that schema.

Is Mongoose a string or an object with a property type?

However, when Mongoose sees type: String, it assumes that you mean assetshould be a string, not an object with a property type. The correct way to define an object with a property typeis shown below.

How to use mongoose use of select method in NodeJS?

To use the Mongoose use of select method in Node.js, we can use the find method with the fields we want to return in the results. User.find ( {}, "first last", (err, user) => { //... }); to call User.find with 'first last' to get the User results and return the first and last properties in each result only.