.

diff --git a/index.html b/index.html
index ae1724db0ebbe5c363a307271b084e8ec95b1105..88f0e9a2f3c09aa3bba53603258e5d53490e23dc 100644 (file)
--- a/index.html
+++ b/index.html
@@ -56,7 +56,7 @@ const loadPage = file => {
             dialog.style.display = "none";
         }
     };
-    document.onkeyup = (ev) => (!!keys[ev.key] ? (keys[ev.key])(ev) : true);
+    document.onkeyup = ev => !keys[ev.key] || keys[ev.key](ev);
 
     search.onkeyup = (ev) => {
         filterPages(ev.key === "Backspace");