diff --git a/components/script/dom/bindings/global.rs b/components/script/dom/bindings/global.rs
index ae68290166c..3ff081521cc 100644
--- a/components/script/dom/bindings/global.rs
+++ b/components/script/dom/bindings/global.rs
@@ -229,6 +229,11 @@ impl GlobalField {
     }
 }
 
+/// Returns the global object of the realm that the given DOM object's reflector was created in.
+pub fn global_object_for_reflector<T: Reflectable>(reflector: &T) -> GlobalRoot {
+    global_object_for_js_object(*reflector.reflector().get_jsobject())
+}
+
 /// Returns the global object of the realm that the given JS object was created in.
 #[allow(unrooted_must_root)]
 pub fn global_object_for_js_object(obj: *mut JSObject) -> GlobalRoot {