diff --git a/tests/cases/fourslash/navigationBarJsDoc.ts b/tests/cases/fourslash/navigationBarJsDoc.ts
new file mode 100644
index 0000000000000..20a235bce9505
--- /dev/null
+++ b/tests/cases/fourslash/navigationBarJsDoc.ts
@@ -0,0 +1,21 @@
+/// <reference path="fourslash.ts"/>
+
+// @Filename: foo.js
+/////** @typedef {(number|string)} NumberLike */
+/////** @typedef {(string|number)} */
+////const x = 0;
+
+verify.navigationBar([
+  {
+    "text": "NumberLike",
+    "kind": "type"
+  },
+  {
+    "text": "x",
+    "kind": "type"
+  },
+  {
+    "text": "x",
+    "kind": "var"
+  }
+]);