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-rw-r--r--components/script/dom/webidls/NamedNodeMap.webidl4
1 files changed, 4 insertions, 0 deletions
diff --git a/components/script/dom/webidls/NamedNodeMap.webidl b/components/script/dom/webidls/NamedNodeMap.webidl
index 8c21bacd1b7..235de06a802 100644
--- a/components/script/dom/webidls/NamedNodeMap.webidl
+++ b/components/script/dom/webidls/NamedNodeMap.webidl
@@ -5,9 +5,13 @@
// https://dom.spec.whatwg.org/#interface-namednodemap
interface NamedNodeMap {
+ [Pure]
readonly attribute unsigned long length;
+ [Pure]
getter Attr? item(unsigned long index);
+ [Pure]
getter Attr? getNamedItem(DOMString name);
+ [Pure]
Attr? getNamedItemNS(DOMString? namespace, DOMString localName);
//[Throws]
//Attr? setNamedItem(Attr attr);