It can be tedious to type out all the boilerplate needed to get the DOM and states in React to synchronize. Luckily, React provides a version of the toolkit with a selection of available addons. This lesson is going to dig into ReactLink, and how this addon can give you two-way binding.

<!doctype html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>React Lesson 15: dynamically create componenets</title>

    <script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.12.2/react.js"></script>

    <script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.12.2/JSXTransformer.js"></script>

    <style>

        body {

            margin: 25px;

        }

    </style>

</head>

<body>

<div id="panel"></div>

<script type="text/jsx">

    /** @jsx React.DOM */

    var App = React.createClass({

        getInitialState:function(){

            return {

                name: '',

                email: ''

            }

        },

        update: function () {

           this.setState({

               name: this.refs.name.getDOMNode().value,

               email: this.refs.email.getDOMNode().value

           })

        },

        render:function(){

            return (

                <form>

                    <div>

                        <input type="text" ref="name" onChange={this.update} placeholder="Name"/>

                        <label>*{this.state.name}*</label>

                    </div>

                    <div>

                        <input type="text" ref="email" onChange={this.update} placeholder="Email"/>

                        <label>*{this.state.email}*</label>

                    </div>

                </form>

            );

        }

    });

    React.render(<App />, document.getElementById('panel'));

</script>

</body>

</html>

Use addon: ReactLink

1. include the script:

script src="https://fb.me/react-with-addons-0.13.3.js"></script>

2. Add mixin:

mixins: [React.addons.LinkedStateMixin],

3. Use valueLink={this.linkState('name')} instead of 'ref' and 'onChange':

<input valueLink={this.linkState('name')} type="text" placeholder="Name" />

Code:

<!doctype html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>React Lesson 15: dynamically create componenets</title>

    <script src="https://fb.me/react-with-addons-0.13.3.js"></script>

    <script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.13.3/JSXTransformer.js"></script>

    <style>

        body {

            margin: 25px;

        }

    </style>

</head>

<body>

<div id="panel"></div>

<script type="text/jsx">

    /** @jsx React.DOM */

    var App = React.createClass({

        mixins: [React.addons.LinkedStateMixin],

        getInitialState:function(){

            return {

                name: '',

                email: ''

            }

        },

        render:function(){

            return (

                <form>

                    <div>

                        <input valueLink={this.linkState('name')} type="text" placeholder="Name" />

                        <label>*{this.state.name}*</label>

                    </div>

                    <div>

                        <input valueLink={this.linkState('email')} type="text" placeholder="Email" />

                        <label>*{this.state.email}*</label>

                    </div>

                </form>

            );

        }

    });

    React.render(<App />, document.getElementById('panel'));

</script>

</body>

</html>

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