From 4f00d7dea84c5b38c686c2f700520fc6ec59dca0 Mon Sep 17 00:00:00 2001
From: lyh2668 <lyh2668@163.com>
Date: Tue, 14 Nov 2017 22:26:39 +0800
Subject: [PATCH] Update table-body.js
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

添加一个this.$refs.tooltip是否存在的判断
---
 packages/table/src/table-body.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/table/src/table-body.js b/packages/table/src/table-body.js
index 15dc5ba2a..89475f6df 100644
--- a/packages/table/src/table-body.js
+++ b/packages/table/src/table-body.js
@@ -340,7 +340,7 @@ export default {
       // 判断是否text-overflow, 如果是就显示tooltip
       const cellChild = event.target.querySelector('.cell');
 
-      if (hasClass(cellChild, 'el-tooltip') && cellChild.scrollWidth > cellChild.offsetWidth) {
+      if (hasClass(cellChild, 'el-tooltip') && cellChild.scrollWidth > cellChild.offsetWidth && this.$refs.tooltip) {
         const tooltip = this.$refs.tooltip;
 
         this.tooltipContent = cell.innerText;