From 617e0c53377f4b49d282254f1f613d5243cdddb0 Mon Sep 17 00:00:00 2001
From: joyqi <magike.net@gmail.com>
Date: Sun, 20 Oct 2013 00:21:19 +0800
Subject: [PATCH] =?UTF-8?q?=E6=88=91=E6=83=B3=E5=BA=94=E8=AF=A5=E6=98=AF?=
 =?UTF-8?q?=E7=AC=AC=E4=B8=80=E4=B8=AAalpha=E7=89=88=E6=9C=80=E5=90=8E?=
 =?UTF-8?q?=E4=B8=80=E6=AC=A1=E6=8F=90=E4=BA=A4=E4=BA=86?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 admin/write-js.php | 29 ++++++++++++++++-------------
 1 file changed, 16 insertions(+), 13 deletions(-)

diff --git a/admin/write-js.php b/admin/write-js.php
index b3eaa560..7c3224a0 100644
--- a/admin/write-js.php
+++ b/admin/write-js.php
@@ -85,21 +85,24 @@ $(document).ready(function() {
     }
 
     // 缩略名自适应宽度
-    var slug = $('#slug'), sw = slug.width();
+    var slug = $('#slug');
 
-    if (slug.val().length > 0) {
-        slug.css('width', 'auto').attr('size', slug.val().length);
-    }
-    
-    slug.bind('input propertychange', function () {
-        var t = $(this), l = t.val().length;
-
-        if (l > 0) {
-            t.css('width', 'auto').attr('size', l);
-        } else {
-            t.css('width', sw).removeAttr('size');
+    if (slug.length > 0) {
+        var sw = slug.width();
+        if (slug.val().length > 0) {
+            slug.css('width', 'auto').attr('size', slug.val().length);
         }
-    }).width();
+
+        slug.bind('input propertychange', function () {
+            var t = $(this), l = t.val().length;
+
+            if (l > 0) {
+                t.css('width', 'auto').attr('size', l);
+            } else {
+                t.css('width', sw).removeAttr('size');
+            }
+        }).width();
+    }
 
     // 原始的插入图片和文件
     Typecho.insertFileToEditor = function (url, isImage) {