1 files changed, 9 insertions, 0 deletions
diff --git a/dom/webidl/StyleSheetList.webidl b/dom/webidl/StyleSheetList.webidl
new file mode 100644
index 0000000000..b9a9740938
--- /dev/null
+++ b/dom/webidl/StyleSheetList.webidl
@@ -0,0 +1,9 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+[Exposed=Window]
+interface StyleSheetList {
+  readonly attribute unsigned long length;
+  getter StyleSheet? item(unsigned long index);
+};