reset component.vue

examples/play/component.vue

 <template>
   <div>
     <el-button>Test</el-button>
-    <el-date-picker v-model="abc" type="daterange" format="yyyy-MM" @change="eee"></el-date-picker>
   </div>
 </template>
 
 <style scoped>
 </style>
 
-<script type="text/babel">
+<script type="text/ecmascript-6">
   export default {
     methods: {
-      eee(a) {
-        console.log(a);
-      }
     },
 
     data() {
-      return {
-        abc: ''
-      };
+      return {};
     }
   };
 </script>