How to select all text in input with Reactjs, when it focused?
<p>For example: <a href="http://codepen.io/Enclave88/pen/YqNpog?editors=1010" rel="noreferrer">codepen</a> </p>

<pre><code>var InputBox = React.createClass({
  render: function() {
    return (
      &lt;input className="mainInput" value='Some something'&gt;&lt;/input&gt;
    )
  }
});
</code></pre>