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	[![npm](https://img.shields.io/npm/v/oojs.svg?style=flat)](https://www.npmjs.com/package/oojs)

	# OOjs

	OOjs is a JavaScript library for working with objects.

	Key features include inheritance, mixins and utilities for working with objects.

	<pre lang="javascript">
	/* Example */
	function Animal() {}
	function Magic() {}
	function Unicorn() {
	Animal.call( this );
	Magic.call( this );
	}
	OO.inheritClass( Unicorn, Animal );
	OO.mixinClass( Unicorn, Magic );
	</pre>

	## Quick start

	This library is available as an [npm](https://npmjs.org/) package! Install it right away:

	<pre lang="bash">
	npm install oojs
	</pre>

	Or clone the repo, `git clone https://gerrit.wikimedia.org/r/oojs/core`.

	## Browser support

	We officially support these browsers, aligned with [MediaWiki's compatibility guideline](https://www.mediawiki.org/wiki/Compatibility#Browsers):

	* Firefox: last three years (Firefox 78+, 2020)
	* Chrome: last three years (Chrome 80+, 2020)
	* Edge: last three years (Edge 80+, 2020)
	* Opera: last thee years (Opera 67+, 2020)
	* iOS: 11.3+

	OOjs requires a modern ES2015 (ECMAScript 6) environment. To support older browsers with ECMAScript 5 engines (such as IE 11), use the last OOjs 6.x release.

	## Bug tracker

	Found a bug? Please report it in the [issue tracker](https://phabricator.wikimedia.org/maniphest/task/edit/form/1/?projects=OOjs)!