Add 'Pass props to parent React'

Pass-props-to-parent-React.md

@@ -0,0 +1,9 @@
+### Pass props to parent component in React.js
+
+```
+var Child = React.createClass({
+  render: function () {
+    return <button onClick={this.props.onClick}>{this.props.text}</button>;
+  },
+});
+```