From 40e096b6d5291a025e365a0f4c010d9a0efb9a69 Mon Sep 17 00:00:00 2001
From: Liang Zhao <kybetter@163.com>
Date: Fri, 17 Nov 2017 23:04:34 +0800
Subject: [PATCH] Fix operator in `createMathOperation`. (#3499)

---
 .internal/createMathOperation.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.internal/createMathOperation.js b/.internal/createMathOperation.js
index 189ac90fe..b893b5cda 100644
--- a/.internal/createMathOperation.js
+++ b/.internal/createMathOperation.js
@@ -14,7 +14,7 @@ function createMathOperation(operator, defaultValue) {
     if (value === undefined && other === undefined) {
       return defaultValue
     }
-    if (value != undefined && other === undefined) {
+    if (value !== undefined && other === undefined) {
       return value
     }
     if (other !== undefined && value === undefined) {