1 files changed, 8 insertions, 8 deletions
diff --git a/lib/rdoc/generator/template/json_index/js/navigation.js b/lib/rdoc/generator/template/json_index/js/navigation.js
index dfad74b1ae..137e3a0038 100644
--- a/lib/rdoc/generator/template/json_index/js/navigation.js
+++ b/lib/rdoc/generator/template/json_index/js/navigation.js
@@ -23,24 +23,24 @@ Navigation = new function() {
 
   this.onkeydown = function(e) {
     if (!this.navigationActive) return;
-    switch(e.keyCode) {
-      case 37: //Event.KEY_LEFT:
+    switch(e.key) {
+      case 'ArrowLeft':
         if (this.moveLeft()) e.preventDefault();
         break;
-      case 38: //Event.KEY_UP:
-        if (e.keyCode == 38 || e.ctrlKey) {
+      case 'ArrowUp':
+        if (e.key == 'ArrowUp' || e.ctrlKey) {
           if (this.moveUp()) e.preventDefault();
         }
         break;
-      case 39: //Event.KEY_RIGHT:
+      case 'ArrowRight':
         if (this.moveRight()) e.preventDefault();
         break;
-      case 40: //Event.KEY_DOWN:
-        if (e.keyCode == 40 || e.ctrlKey) {
+      case 'ArrowDown':
+        if (e.key == 'ArrowDown' || e.ctrlKey) {
           if (this.moveDown()) e.preventDefault();
         }
         break;
-      case 13: //Event.KEY_RETURN:
+      case 'Enter':
         if (this.current) e.preventDefault();
         this.select(this.current);
         break;