diff --git a/javascript/edit-order.js b/javascript/edit-order.js
new file mode 100644
index 00000000..e924d419
--- /dev/null
+++ b/javascript/edit-order.js
@@ -0,0 +1,36 @@
+function keyupEditOrder(event){
+	let target = event.originalTarget || event.composedPath()[0];
+	if (!target.matches("*:is([id*='_toprow'] [id*='_prompt'], .prompt) textarea")) return;
+	if (!event.metaKey && !event.ctrlKey) return;
+
+	let isLeft = event.key == "ArrowLeft"
+	let isRight = event.key == "ArrowRight"
+	if (!isLeft && !isRight) return;
+
+	let selectionStart = target.selectionStart;
+	let selectionEnd = target.selectionEnd;
+	let text = target.value;
+    let items = text.split(",")
+    let indexStart = (text.slice(0, selectionStart).match(/,/g) || []).length
+    let indexEnd = (text.slice(0, selectionEnd).match(/,/g) || []).length
+    let range = indexEnd - indexStart + 1
+
+    if (isLeft && indexStart > 0) {
+        items.splice(indexStart - 1, 0, ...items.splice(indexStart, range))
+        target.value = items.join()
+        target.selectionStart = items.slice(0, indexStart - 1).join().length + (indexStart == 1 ? 0 : 1)
+        target.selectionEnd = items.slice(0, indexEnd).join().length
+    } else if (isRight && indexEnd < items.length - 1) {
+        items.splice(indexStart + 1, 0, ...items.splice(indexStart, range))
+        target.value = items.join()
+        target.selectionStart = items.slice(0, indexStart + 1).join().length + 1
+        target.selectionEnd = items.slice(0, indexEnd + 2).join().length
+    }
+    
+    event.preventDefault()
+    updateInput(target)
+}
+
+addEventListener('keydown', (event) => {
+    keyupEditOrder(event);
+});