React 0.13 this.getDOMNode() equivalent to React.findDOMNode()

Question

This works perfectly fine in React version 0.12:

componentDidMount: function () {
    var dom = this.getDOMNode();
}

The variable dom

Answer 1

React 15.0.1 Requires this syntax: ReactDOM.findDOMNode

e.g.

var x = ReactDOM.findDOMNode(this.refs.author);