diff --git a/index.html b/index.html
index c3923e6..be8129a 100644
--- a/index.html
+++ b/index.html
@@ -5,6 +5,11 @@
     <meta name="viewport" content="width=device-width, initial-scale=1"/>
     <title>Revenge of the Cyclic Cicadas</title>
     <link rel="stylesheet" href="index.css"/>
+    <script>
+      window.onerror = (event, source, lineno, colno, error) => {
+        document.body.prepend(event, source, lineno, colno, error);
+      }
+    </script>
     <script type="module" src="preprocessed.js"></script>
     <script type="module" src="index.js"></script>
   </head>