From 6553bd6c0c593d5f5b92f153a0501613e60f1304 Mon Sep 17 00:00:00 2001
From: Lu Wang <coolwanglu@gmail.com>
Date: Wed, 6 Nov 2013 14:52:04 +0800
Subject: [PATCH] add 'contains' for the classList implementation
---
web/compatibility.js | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/web/compatibility.js b/web/compatibility.js
index 23ca69e25..8ca68137f 100644
--- a/web/compatibility.js
+++ b/web/compatibility.js
@@ -361,12 +361,16 @@ if (typeof PDFJS === 'undefined') {
if (index >= 0 && remove)
list.splice(index, 1);
element.className = list.join(' ');
+ return (index >= 0);
}
var classListPrototype = {
add: function(name) {
changeList(this.element, name, true, false);
},
+ contains: function(name) {
+ return changeList(this.element, name, false, false);
+ },
remove: function(name) {
changeList(this.element, name, false, true);
},