June 2014
Intermediate to advanced
696 pages
38h 52m
English
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Inheriting Functionality from Other Objects
The util Module provides the util.inherits() method to allow you to create objects that inherit the prototype methods from another object. When you create a new object, the prototype methods are automatically used. You have already seen this in a few examples in this book—for example, when implementing your own custom Readable and Writable streams.
The following is the syntax of the util.inherits() method:
util.inherits(constructor, superConstructor)
The prototype constructor is set to the prototype superConstructor and is executed when a new object is created. You can access superConstructor from your custom object constructor by using that constructor.super_ property. ...
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