Update error handling

public/index.html

@@ -635,9 +635,19 @@
         setJumpParam(undefined)
     }
 
-    rangeInput.addEventListener("input", e => setJumpParam(rangeInput.value))
+    const jumpToInput = () => {
-    rangeInput.addEventListener("keydown", e => e.key === "Enter" && jump(rangeInput.value))
+        try {
-    document.getElementById("range-button").addEventListener("click", () => jump(rangeInput.value))
+            jump(rangeInput.value)
+            setJumpParam(rangeInput.value)
+            rangeInput.setCustomValidity("")
+        } catch (e) {
+            rangeInput.setCustomValidity(e.message)
+        }
+        rangeInput.reportValidity()
+    }
+
+    rangeInput.addEventListener("change", jumpToInput)
+    document.getElementById("range-button").addEventListener("click", jumpToInput)
 </script>
 </body>
 </html>