From 8ed6ace682dff1fe866b411553de0b5494094d57 Mon Sep 17 00:00:00 2001
From: Emanuel Rylke <ema-fox@web.de>
Date: Tue, 9 Dec 2014 13:37:12 +0100
Subject: Don't include the root element when calling
 Element#getElementsByTagName

Fixes #4249
---
 components/script/dom/htmlcollection.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'components/script/dom/htmlcollection.rs')

diff --git a/components/script/dom/htmlcollection.rs b/components/script/dom/htmlcollection.rs
index c07af986135..3ac4d491513 100644
--- a/components/script/dom/htmlcollection.rs
+++ b/components/script/dom/htmlcollection.rs
@@ -85,7 +85,10 @@ impl HTMLCollection {
             ascii_lower_tag: Atom,
         }
         impl CollectionFilter for TagNameFilter {
-            fn filter(&self, elem: JSRef<Element>, _root: JSRef<Node>) -> bool {
+            fn filter(&self, elem: JSRef<Element>, root: JSRef<Node>) -> bool {
+                if NodeCast::from_ref(elem) == root {
+                    return false
+                }
                 if elem.html_element_in_html_document() {
                     *elem.local_name() == self.ascii_lower_tag
                 } else {
-- 
cgit v1.2.3