From 3a7a1ab035181ab1346181d8bdda5db5038b9c89 Mon Sep 17 00:00:00 2001
From: gdh1995
Date: Sat, 10 Sep 2016 14:58:26 +0800
Subject: simpler logic to detect backsapce

---
 lib/keyboard_utils.coffee | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/keyboard_utils.coffee')

diff --git a/lib/keyboard_utils.coffee b/lib/keyboard_utils.coffee
index 65c67ec0..c5dbd69a 100644
--- a/lib/keyboard_utils.coffee
+++ b/lib/keyboard_utils.coffee
@@ -49,8 +49,8 @@ KeyboardUtils =
       event.key.toLowerCase() # F1 to F9.
     else if event.key.length == 3 and "F10" <= event.key <= "F12"
       event.key.toLowerCase() # F10 to F12.
-    else if event.key.length > 3 and event.key in ["Backspace"]
-      event.key.toLowerCase() # F10 to F12.
+    else if event.key == "Backspace"
+      event.key.toLowerCase() # Backspace.
     else
       ""
 
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