From 0d680a4a45cfd415bc49c94e2d1e5acdbfaba9b9 Mon Sep 17 00:00:00 2001
From: xiaody <youyounaihe@gmail.com>
Date: Thu, 15 Aug 2013 01:09:59 +0800
Subject: [PATCH] Safer $.fn.selectEnd

When `this.length` is 0, `this.val().length` will become `undefined.length` and cause a TypeError.
---
 app/assets/javascripts/utility.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/utility.js b/app/assets/javascripts/utility.js
index afd8db9bc..903ab21f2 100644
--- a/app/assets/javascripts/utility.js
+++ b/app/assets/javascripts/utility.js
@@ -102,7 +102,9 @@
   };
 
   $.fn.selectEnd = function(){
-    this.selectRange(this.val().length, this.val().length);
+    if (this.length) {
+      this.selectRange(this.val().length, this.val().length);
+    }
     return this;
   }
 })();