---
source: crates/rome_formatter_test/src/snapshot_builder.rs
info:
  test_file: js/function/function_expression.js
---

# Input

```js
(function() {}).length
typeof (function() {});
export default (function() {})();
(function() {})()``;
(function() {})``;
new (function() {});
(function() {});
a = function f() {} || b;
(function() {} && a);
a + function() {};
new function() {};

```


# Prettier differences

```diff
--- Prettier
+++ Rome
@@ -1,4 +1,4 @@
-(function () {}.length);
+(function () {}).length;
 typeof function () {};
 export default (function () {})();
 (function () {})()``;
@@ -6,6 +6,6 @@
 new (function () {})();
 (function () {});
 a = function f() {} || b;
-(function () {} && a);
+(function () {}) && a;
 a + function () {};
 new (function () {})();
```

# Output

```js
(function () {}).length;
typeof function () {};
export default (function () {})();
(function () {})()``;
(function () {})``;
new (function () {})();
(function () {});
a = function f() {} || b;
(function () {}) && a;
a + function () {};
new (function () {})();
```