@ -419,7 +419,7 @@ var CommentBox = React.createClass({
Here, `componentDidMount` is a method called automatically by React when a component is rendered. The key to dynamic updates is the call to `this.setState()`. We replace the old array of comments with the new one from the server and the UI automatically updates itself. Because of this reactivity, it is only a minor change to add live updates. We will use simple polling here but you could easily use WebSockets or other technologies.
```javascript{3,19-20,34}
```javascript{3,14,19-20,34}
// tutorial14.js
var CommentBox = React.createClass({
loadCommentsFromServer: function() {
@ -482,7 +482,7 @@ var CommentForm = React.createClass({
Let's make the form interactive. When the user submits the form, we should clear it, submit a request to the server, and refresh the list of comments. To start, let's listen for the form's submit event and clear it.