NPM inherits Package

inherits – Inherits prototype methods

Usage

Install

npm install inherits

Simple

var inherits = require('inherits');

function Parent() {
  this.name = 'parent';
}

Parent.prototype.getName = function() {
  return this.name;
};

function Child() {
  Parent.call(this);
  this.name = 'child';
}

// Note: Use call vs. apply, as apply calls the function without setting 'this'
// See: http://stackoverflow.com/a/7225989/1333928
inherits(Child, Parent);

var child = new Child();

console.log(child.getName()); // prints 'child'

ES6 Class

var inherits = require('inherits');

class Parent {
  constructor() {
    this.name = 'parent';
  }

  getName() {
    return this.name;
  }
}

class Child extends Parent {
  constructor() {
    super();
    this.name = 'child';
  }
}

inherits(Child, Parent);

var child = new Child();

console.log(child.getName()); // prints 'child'

API

inherits(ctor, superCtor)

Inherits the prototype methods of a superclass constructor onto a subclass constructor

Params

• ctor {Function} – the subclass constructor
• superCtor {Function} – the superclass constructor

Returns

• None

Contributing

• Clone the repository: git clone git@github.com:isaacs/inherits.git
• Install dependencies: npm install
• Run tests: npm test
• Submit a pull request

License

The MIT License (MIT)