<div id='container'></div>

// using JS lib:
// https://fb.me/react-with-addons-0.13.1.js
// Value Link

var SameText = React.createClass({
  mixins: [React.addons.LinkedStateMixin],
  getInitialState: function() {
    return { text: 'type something...' };
  },
  render: function() {
    return (
    	<div>
      	<input type='text' valueLink={this.linkState('text') } />
				<input type='text' valueLink={this.linkState('text') } />  
				<input type='text' valueLink={this.linkState('text') } />         				<input type='text' valueLink={this.linkState('text') } />  
				<input type='text' valueLink={this.linkState('text') } />                                  
      </div>
    )
  }
});

React.render(<SameText />, document.getElementById('container'));