From c163cc2eada9ee059cb3cb814d9c465b18ace61e Mon Sep 17 00:00:00 2001
From: 53 <g.tadano@gamewith.co.jp>
Date: Tue, 3 Dec 2019 18:59:04 +0900
Subject: [PATCH] Fix sample code.

---
 src/v2/guide/events.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/v2/guide/events.md b/src/v2/guide/events.md
index 18e253fc3..c1959ab8a 100644
--- a/src/v2/guide/events.md
+++ b/src/v2/guide/events.md
@@ -155,7 +155,9 @@ new Vue({
 methods: {
   warn: function (message, event) {
     // ネイティブイベントを参照しています
-    if (event) event.preventDefault()
+    if (event) {
+      event.preventDefault()
+    }
     alert(message)
   }
 }