Update example

pissang · pissang · commit 6e68728a72ba · 2017-10-18T11:09:16.000+08:00
diff --git a/example/optionKeywords.html b/example/optionKeywords.html
@@ -1,7 +1,7 @@
 <html>
     <head>
         <meta charset="utf-8">
-        <script src='https://cdn.bootcss.com/echarts/3.7.0/echarts.simple.js'></script>
+        <script src='https://cdn.bootcss.com/echarts/3.7.2/echarts.simple.js'></script>
         <script src='../dist/echarts-wordcloud.js'></script>
     </head>
     <body>
@@ -385,6 +385,9 @@
                                     Math.round(Math.random() * 160)
                                 ].join(',') + ')';
                             }
+                        },
+                        emphasis: {
+                            color: 'red'
                         }
                     },
                     data: data.sort(function (a, b) {
