From d6a597492cd99502878a8b1894d82bcaea760a62 Mon Sep 17 00:00:00 2001
From: r888888888 <r888888888@gmail.com>
Date: Sat, 23 Sep 2017 13:45:01 -0700
Subject: [PATCH] bug fix

---
 app/assets/javascripts/posts.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/assets/javascripts/posts.js b/app/assets/javascripts/posts.js
index 3ce130e91..b1b6a874f 100644
--- a/app/assets/javascripts/posts.js
+++ b/app/assets/javascripts/posts.js
@@ -175,7 +175,7 @@
   }
 
   Danbooru.Post.nav_prev = function(e) {
-    if ($("#a-show")) {
+    if ($("#a-show").length) {
       window.history.back();
     } else if ($("#search-seq-nav").length) {
       var href = $("#search-seq-nav a[rel~=prev]").attr("href");