Preserve blank line before comments above else (#18813)

changelog_unreleased/javascript/18813.md

@@ -0,0 +1,30 @@
+#### Fix comments above `else` (#18813 by @fisker)
+
+<!-- prettier-ignore -->
+```jsx
+// Input
+/* Case 1 */
+if (1) {
+}
+
+/* Case 2 */
+else if (2) {
+}
+
+// Prettier stable
+/* Case 1 */
+if (1) {
+} else if (2) {
+
+/* Case 2 */
+}
+
+// Prettier main
+/* Case 1 */
+if (1) {
+}
+
+/* Case 2 */
+else if (2) {
+}
+```