Creates a new Relation for the given parent object and key. This constructor should rarely be used directly, but rather created by Parse.Object.relation.
The parent of this relation.
The key for this relation on the parent.
A class that is used to access all of the children of a many-to-many relationship. Each instance of Parse.Relation is associated with a particular parent object and key.
Adds a Parse.Object or an array of Parse.Objects to the relation.Parameters:
The item or items to add.
Returns a Parse.Query that is limited to objects in this relation.
Removes a Parse.Object or an array of Parse.Objects from this relation.Parameters:
The item or items to remove.
Returns a JSON version of the object suitable for saving to disk.