1 files changed, 5 insertions, 4 deletions
diff --git a/dom/webidl/HTMLOptionsCollection.webidl b/dom/webidl/HTMLOptionsCollection.webidl
index 4d4385d82..d8d1046ad 100644
--- a/dom/webidl/HTMLOptionsCollection.webidl
+++ b/dom/webidl/HTMLOptionsCollection.webidl
@@ -11,13 +11,14 @@
  */
 
 interface HTMLOptionsCollection : HTMLCollection {
+  [CEReactions]
            attribute unsigned long length;
-  [Throws]
+  [CEReactions, Throws]
   setter creator void (unsigned long index, HTMLOptionElement? option);
-  [Throws]
+  [CEReactions, Throws]
   void add((HTMLOptionElement or HTMLOptGroupElement) element, optional (HTMLElement or long)? before = null);
-  [Throws]
+  [CEReactions, Throws]
   void remove(long index);
-  [Throws]
+  [CEReactions, Throws]
            attribute long selectedIndex;
 };