Community Roundup facebook#21

docs/_posts/2014-08-02-community-roundup-21.md

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+---
+title: "Community Round-up #21"
+layout: post
+author: Lou Husson
+---
+
+## React Router
+[Ryan Florence](http://ryanflorence.com/) and [Michael Jackson](http://twitter.com/mjackson) ported Ember's router to React in a project called [React Router](https://github.com/rackt/react-router). This is a very good example of both communities working together to make the web better!
+
+```javascript
+React.renderComponent((
+  <Routes>
+    <Route handler={App}>
+      <Route name="about" handler={About}/>
+      <Route name="users" handler={Users}>
+        <Route name="user" path="/user/:userId" handler={User}/>
+      </Route>
+    </Route>
+  </Routes>
+), document.body);
+```
+
+## Going big with React
+
+Areeb Malik, from Facebook, talks about his experience using React. "On paper, all those JS frameworks look promising: clean implementations, quick code design, flawless execution. But what happens when you stress test Javascript? What happens when you throw 6 megabytes of code at it? In this talk, we'll investigate how React performs in a high stress situation, and how it has helped our team build safe code on a massive scale"
+
+[![](/react/img/blog/skills-matter.png)](https://skillsmatter.com/skillscasts/5429-going-big-with-react)
+
+<!--
+<iframe allowfullscreen="" data-progress="true" frameborder="0" height="390" id="vimeo-player" mozallowfullscreen="" src="//player.vimeo.com/video/100245392?api=1&amp;title=0" webkitallowfullscreen="" width="640"></iframe>
+-->
+
+
+## What is React?
+
+[Craig McKeachie](http://www.funnyant.com/author/admin/) author of [Javascript Framework Guide](http://www.funnyant.com/javascript-framework-guide/) wrote an excellent news named ["What is React.js? Another Template Library?](http://www.funnyant.com/reactjs-what-is-it/)
+
+- Is React a Template Library?
+- Is React Similar to Web Components?
+- Are the Virtual DOM and Shadow DOM the Same?
+- Can React be used with other JavaScript MVC Frameworks?
+- Who Uses React.js?
+- Is React a Premature Optimization if you aren’t Facebook or Instagram?
+- Can I Work with Designers?
+- Will React Hurt my Search Engine Optimization (SEO)?
+- Is React a Framework for Building Applications or a Library with One Feature?
+- Are components a better way to build an application?
+- Can I build something complex with React?
+
+
+## Referencing Dynamic Children
+
+While Matt Zabriskie was working on [react-tabs](https://www.npmjs.org/package/react-tabs) he discovered how to use React.Children.map and React.addons.cloneWithProps in order to [referencing dynamic children](http://www.mattzabriskie.com/blog/react-referencing-dynamic-children).
+
+```javascript
+var App = React.createClass({
+  render: function () {
+    var children = React.Children.map(this.props.children, function(child, index) {
+      return React.addons.cloneWithProps(child, {
+        ref: 'child-' + index
+      });
+    });
+    return <div>{children}</div>;
+  }
+});
+```
+
+
+## JSX with Sweet.js using Readtables
+
+Have you ever wondered how JSX was implemented? James Long wrote a very instructive blog post that explains how to [compile JSX with Sweet.js using Readtables](http://jlongster.com/Compiling-JSX-with-Sweet.js-using-Readtables).
+
+[![](/react/img/blog/sweet-jsx.png)](http://jlongster.com/Compiling-JSX-with-Sweet.js-using-Readtables)
+
+
+## First Look: Getting Started with React
+
+[Kirill Buga](http://modernweb.com/authors/kirill-buga/) wrote an article on Modern Web explaining how [React is different from traditional MVC](http://modernweb.com/2014/07/23/getting-started-reactjs/) used by most JavaScript applications
+
+<figure><a href="http://modernweb.com/2014/07/23/getting-started-reactjs"><img src="/react/img/blog/first-look.png" /></a></figure>
+
+
+## React Draggable
+
+[Matt Zabriskie](https://github.com/mzabriskie) released a [project](https://github.com/mzabriskie/react-draggable) to make your react components draggable.
+
+[![](/react/img/blog/react-draggable.png)](http://mzabriskie.github.io/react-draggable/example/)
+
+
+## HTML Parser2 React
+
+[Jason Brown](http://browniefed.github.io/) adapted htmlparser2 to React: [htmlparser2-react](https://www.npmjs.org/package/htmlparser2-react). That allows you to convert raw HTML to the virtual DOM.
+This is not the intended way to use React but can be useful as last resort if you have an existing piece of HTML.
+
+```javascript
+var html = '<div data-id="1" class="hey this is a class" ' +
+  'style="width:100%;height: 100%;"><article id="this-article">' +
+  '<p>hey this is a paragraph</p><div><ul><li>1</li><li>2</li>' +
+  '<li>3</li></ul></div></article></div>';
+var parsedComponent = reactParser(html, React);
+```
+
+
+## Building UIs with React
+
+If you haven't yet tried out React, Jacob Rios did a Hangout where he covers the most important aspects and thankfully he recorded it!
+
+<iframe width="650" height="315" src="//www.youtube.com/embed/lAn7GVoGlKU" frameborder="0" allowfullscreen></iframe>
+
+
+## Random Tweets
+
+<blockquote class="twitter-tweet" lang="en"><p>We shipped reddit&#39;s first production <a href="https://twitter.com/reactjs">@reactjs</a> code last week, our checkout process.&#10;&#10;<a href="https://t.co/KUInwsCmAF">https://t.co/KUInwsCmAF</a></p>&mdash; Brian Holt (@holtbt) <a href="https://twitter.com/holtbt/statuses/493852312604254208">July 28, 2014</a></blockquote>
+<blockquote class="twitter-tweet" lang="en"><p>.<a href="https://twitter.com/AirbnbNerds">@AirbnbNerds</a> just launched our first user-facing React.js feature to production! We love it so far. <a href="https://t.co/KtyudemcIW">https://t.co/KtyudemcIW</a> /<a href="https://twitter.com/floydophone">@floydophone</a></p>&mdash; spikebrehm (@spikebrehm) <a href="https://twitter.com/spikebrehm/statuses/491645223643013121">July 22, 2014</a></blockquote>