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-rw-r--r--toolkit/content/widgets/named-deck.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/content/widgets/named-deck.js b/toolkit/content/widgets/named-deck.js
index 6b3b7a8835..42c96e278d 100644
--- a/toolkit/content/widgets/named-deck.js
+++ b/toolkit/content/widgets/named-deck.js
@@ -156,7 +156,7 @@
this.getRootNode().removeEventListener("keypress", this);
}
- attributeChangedCallback(name, oldVal, newVal) {
+ attributeChangedCallback(name) {
if (name == "orientation") {
if (this.isVertical) {
this.setAttribute("aria-orientation", this.orientation);