My understanding of javascript object methods (pre-ES6) from Douglas Crockford’s post.

Public

Can’t access private members of the object

Anything created with this.xyz inside the constructor, or

Any methods added by MyObject.prototype.myMethod outside the constructor.

Private

Not accessible from outside the object definition (e.g. as myObj.myMethod())

Any variables or functions created inside the constructor with var or function abc(){...}.

Privileged

(I.e. publicly accessible, but can access private members)¹

Methods declared with this.myMethod = function()... inside the constructor.

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