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-rw-r--r--components/script/dom/documentfragment.rs13
1 files changed, 13 insertions, 0 deletions
diff --git a/components/script/dom/documentfragment.rs b/components/script/dom/documentfragment.rs
index 2f0ccecda5c..3eac9df6bac 100644
--- a/components/script/dom/documentfragment.rs
+++ b/components/script/dom/documentfragment.rs
@@ -17,6 +17,7 @@ use dom::eventtarget::{EventTarget, EventTargetTypeId};
use dom::htmlcollection::HTMLCollection;
use dom::node::{Node, NodeTypeId, window_from_node};
use dom::nodelist::NodeList;
+use string_cache::Atom;
use util::str::DOMString;
// https://dom.spec.whatwg.org/#documentfragment
@@ -58,6 +59,18 @@ impl DocumentFragmentMethods for DocumentFragment {
HTMLCollection::children(window.r(), NodeCast::from_ref(self))
}
+ // https://dom.spec.whatwg.org/#dom-nonelementparentnode-getelementbyid
+ fn GetElementById(&self, id: DOMString) -> Option<Root<Element>> {
+ let node = NodeCast::from_ref(self);
+ let id = Atom::from_slice(&id);
+ node.traverse_preorder().filter_map(ElementCast::to_root).find(|descendant| {
+ match descendant.get_attribute(&ns!(""), &atom!(id)) {
+ None => false,
+ Some(attr) => *attr.value().as_atom() == id,
+ }
+ })
+ }
+
// https://dom.spec.whatwg.org/#dom-parentnode-firstelementchild
fn GetFirstElementChild(&self) -> Option<Root<Element>> {
NodeCast::from_ref(self).child_elements().next()