element-ui <el-input> 注册blur事件

 <template>
     <div class="demo">
         <el-input placeholder="注册blur事件" v-model="demo" @blur="checkBlur($event)"></el-input>
     </div>
 </template>
 <script>
     export default {
         name:'demo',
         data() {
             return {
                  demo:'',
             }
         },
         created() {

         },
         methods:{
              checkBlur(e) {
                  console.log(e.target.value)
              }
         },
     };

 </script>
 <style scoped> 

 </style>