From: Vincent Vanwaelscappel <vincent@cubedesigners.com>
Date: Wed, 15 Jun 2022 14:26:31 +0000 (+0200)
Subject: wip #4210 @0.25
X-Git-Url: http://git.cubedesigners.com/?a=commitdiff_plain;h=69f3c69dc560ff159bd8ddb9725d1981596f76d5;p=fluidbook-html5.git

wip #4210 @0.25
---

diff --git a/js/libs/fluidbook/fluidbook.slider.js b/js/libs/fluidbook/fluidbook.slider.js
index 4a9cfb10..c223c246 100644
--- a/js/libs/fluidbook/fluidbook.slider.js
+++ b/js/libs/fluidbook/fluidbook.slider.js
@@ -85,6 +85,9 @@ FluidbookSlider.prototype = {
     },
 
     hover: function (pageX) {
+        if (!$("#slider").length === 0) {
+            return;
+        }
         $("#slider").addClass('hover');
         var page = this.getPageByX(this.pageToSlider(pageX));
         this.updateThumb(page);
@@ -107,7 +110,11 @@ FluidbookSlider.prototype = {
     },
 
     pageToSlider: function (pageX) {
-        return pageX - $("#slider").offset().left;
+        try {
+            return pageX - $("#slider").offset().left;
+        } catch (e) {
+            return 1;
+        }
     },
 
     updatePageByCursorPosition: function (pos, gotoPage, updateCursor) {