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doc: properly inheriting from EventEmitter #2168

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doc: properly inheriting from EventEmitter #2168

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doc: properly inheriting from EventEmitter
thefourtheye Jul 12, 2015
3814d53
Fixing the formatting
thefourtheye Jul 29, 2015
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17 changes: 17 additions & 0 deletions doc/api/events.markdown
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Expand Up @@ -162,3 +162,20 @@ added.
This event is emitted *after* a listener is removed. When this event is
triggered, the listener has been removed from the array of listeners for the
`event`.

### Inheriting from 'EventEmitter'

Inheriting from `EventEmitter` is no different from inheriting from any other
constructor function. For example:

'use strict';
const util = require('util');
const EventEmitter = require('events').EventEmitter;

function MyEventEmitter() {
// Initialize necessary properties from `EventEmitter` in this instance
EventEmitter.call(this);
}

// Inherit functions from `EventEmitter`'s prototype
util.inherits(MyEventEmitter, EventEmitter);