From b1770a9175f441f962662bdd9de50aaf5c28ca4c Mon Sep 17 00:00:00 2001
From: Michael Randers-Pehrson <michael.rp@gmail.com>
Date: Fri, 22 Aug 2014 09:11:03 -0400
Subject: [PATCH] Adding validation check to `handleSubmit`.

Also adding `e.preventDefault()` and changing to plain `return`.
---
 scripts/example.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/scripts/example.js b/scripts/example.js
index 87dfa40f..0d316b6e 100755
--- a/scripts/example.js
+++ b/scripts/example.js
@@ -89,13 +89,17 @@ var CommentList = React.createClass({
 });
 
 var CommentForm = React.createClass({
-  handleSubmit: function() {
+  handleSubmit: function(e) {
+    e.preventDefault();
     var author = this.refs.author.getDOMNode().value.trim();
     var text = this.refs.text.getDOMNode().value.trim();
+    if (!text || !author) {
+      return;
+    }
     this.props.onCommentSubmit({author: author, text: text});
     this.refs.author.getDOMNode().value = '';
     this.refs.text.getDOMNode().value = '';
-    return false;
+    return;
   },
   render: function() {
     return (