diff --git a/tests/baselines/reference/checkJsdocParamOnVariableDeclaredFunctionExpression.js b/tests/baselines/reference/checkJsdocParamOnVariableDeclaredFunctionExpression.js
new file mode 100644
index 0000000000..312e62b843
--- /dev/null
+++ b/tests/baselines/reference/checkJsdocParamOnVariableDeclaredFunctionExpression.js
@@ -0,0 +1,26 @@
+//// [0.js]
+// @ts-check
+/**
+ * @param {number=} n
+ * @param {string} [s]
+ */
+var x = function foo(n, s) {}
+var y;
+/**
+ * @param {boolean!} b
+ */
+y = function bar(b) {}
+
+
+//// [0.js]
+// @ts-check
+/**
+ * @param {number=} n
+ * @param {string} [s]
+ */
+var x = function foo(n, s) { };
+var y;
+/**
+ * @param {boolean!} b
+ */
+y = function bar(b) { };
diff --git a/tests/baselines/reference/checkJsdocParamOnVariableDeclaredFunctionExpression.symbols b/tests/baselines/reference/checkJsdocParamOnVariableDeclaredFunctionExpression.symbols
new file mode 100644
index 0000000000..26bf26e1a4
--- /dev/null
+++ b/tests/baselines/reference/checkJsdocParamOnVariableDeclaredFunctionExpression.symbols
@@ -0,0 +1,23 @@
+=== tests/cases/conformance/jsdoc/0.js ===
+// @ts-check
+/**
+ * @param {number=} n
+ * @param {string} [s]
+ */
+var x = function foo(n, s) {}
+>x : Symbol(x, Decl(0.js, 5, 3))
+>foo : Symbol(foo, Decl(0.js, 5, 7))
+>n : Symbol(n, Decl(0.js, 5, 21))
+>s : Symbol(s, Decl(0.js, 5, 23))
+
+var y;
+>y : Symbol(y, Decl(0.js, 6, 3))
+
+/**
+ * @param {boolean!} b
+ */
+y = function bar(b) {}
+>y : Symbol(y, Decl(0.js, 6, 3))
+>bar : Symbol(bar, Decl(0.js, 10, 3))
+>b : Symbol(b, Decl(0.js, 10, 17))
+
diff --git a/tests/baselines/reference/checkJsdocParamOnVariableDeclaredFunctionExpression.types b/tests/baselines/reference/checkJsdocParamOnVariableDeclaredFunctionExpression.types
new file mode 100644
index 0000000000..f9537219e2
--- /dev/null
+++ b/tests/baselines/reference/checkJsdocParamOnVariableDeclaredFunctionExpression.types
@@ -0,0 +1,26 @@
+=== tests/cases/conformance/jsdoc/0.js ===
+// @ts-check
+/**
+ * @param {number=} n
+ * @param {string} [s]
+ */
+var x = function foo(n, s) {}
+>x : (n?: number, s?: string) => void
+>function foo(n, s) {} : (n?: number, s?: string) => void
+>foo : (n?: number, s?: string) => void
+>n : number
+>s : string
+
+var y;
+>y : any
+
+/**
+ * @param {boolean!} b
+ */
+y = function bar(b) {}
+>y = function bar(b) {} : (b: boolean) => void
+>y : any
+>function bar(b) {} : (b: boolean) => void
+>bar : (b: boolean) => void
+>b : boolean
+
diff --git a/tests/cases/conformance/jsdoc/checkJsdocParamOnVariableDeclaredFunctionExpression.ts b/tests/cases/conformance/jsdoc/checkJsdocParamOnVariableDeclaredFunctionExpression.ts
new file mode 100644
index 0000000000..7443357337
--- /dev/null
+++ b/tests/cases/conformance/jsdoc/checkJsdocParamOnVariableDeclaredFunctionExpression.ts
@@ -0,0 +1,15 @@
+// @allowJS: true
+// @suppressOutputPathCheck: true
+
+// @filename: 0.js
+// @ts-check
+/**
+ * @param {number=} n
+ * @param {string} [s]
+ */
+var x = function foo(n, s) {}
+var y;
+/**
+ * @param {boolean!} b
+ */
+y = function bar(b) {}