# 失效

- description: 灰色的

---

````html
<div id="example"></div>
````

````js
/** @jsx React.DOM */
var Button = React.createClass({
  render: function() {
    return <button disabled>{this.props.children}</button>;
  }
});

React.render(<Button>失效的按钮</Button>, document.getElementById('example'));
````